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Westchester County Home Additions Costs & Prices - ProMatcher Cost Report

Westchester County Home Additions Costs & Prices

Westchester County, New York.  The Westchester County Home Additions Cost Report is a concise report on everything you need to know about the cost of home additions in the Westchester County area.

Average Home Additions Cost in Westchester County


We have done a little research to find the average cost of home additions in Westchester County. Here are the average costs and prices reported back to us:

Cost of Building a Home Addition in Westchester County, New York

$160.04 per square foot for standard grade construction (Range: $123.66 - $196.42)
Free Estimates from Local Pros

Cost of Building a Garage Addition in Westchester County, New York

$58.20 per square foot (custom designed, standard grade) (Range: $50.92 - $65.47)
Free Estimates from Local Pros

Cost of Building a Sunroom in Westchester County, New York

$143.33 per square foot (three-season room) (Range: $117.78 - $168.87)
Free Estimates from Local Pros

Cost of Dormer Addition in Westchester County, New York

$4,546.16 for single-window gable dormer (Range: $4,306.12 - $4,786.19)
Free Estimates from Local Pros

Cost of Building a Closet in Westchester County, New York

$2,140.88 for standard bedroom closet (4 ft reach-in) (Range: $2,044.18 - $2,237.57)
Free Estimates from Local Pros
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Westchester County Home Additions Cost Data


Professionals in the Westchester County area have provided information about how much home additions cost(s). Here are some of the individual reports:
07102, Newark, New Jersey - January 18, 2023

Building a Closet

$1,868.33 - $2,045.08 for standard bedroom closet (4 ft reach-in)
Labor is included in this closet installation estimate. Price accounts for wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). Additional charge for built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
07601, Hackensack, New Jersey - January 18, 2023

Building a Closet

$1,901.46 - $2,081.35 for standard bedroom closet (4 ft reach-in)
Price takes into account the cost of closet building. It also includes framing walls and hanging drywall to add a closet to an existing room (4 ft wide). Price estimate excludes shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
10303, Staten Island, New York - January 18, 2023

Building a Closet

$1,842.40 - $2,016.70 for standard bedroom closet (4 ft reach-in)
This should be considered a ballpark estimate for closet installation. Most estimates include demolition, framing, drywall, and finishing for reach-in closet (48" wide and 28" deep). Certain items, such as shelving systems, storage solutions, cabinets, lighting, or larger closets, are not typically included.

Reported by:
ProMatcher Research Team
11566, Merrick, New York - January 18, 2023

Building a Closet

$2,098.81 - $2,297.37 for standard bedroom closet (4 ft reach-in)
This estimate includes closet installation. Also includes wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). There is an additional cost for built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
07722, Colts Neck, New Jersey - January 18, 2023

Building a Closet

$1,797.74 - $1,967.82 for standard bedroom closet (4 ft reach-in)
Price quote accounts for the cost of closet installation. Estimate takes into account wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). It excludes built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
10025, New York, New York - January 18, 2023

Building a Closet

$3,121.56 - $3,416.88 for standard bedroom closet (4 ft reach-in)
Labor for closet installation is included in the cost. Does include wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). Price excludes built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
07510, Paterson, New Jersey - January 18, 2023

Building a Closet

$1,810.71 - $1,982.01 for standard bedroom closet (4 ft reach-in)
Labor is included. Estimate accounts for framing walls and hanging drywall to add a closet to an existing room (4 ft wide). Doesn't include shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
11743, Huntington, New York - January 18, 2023

Building a Closet

$2,087.28 - $2,284.75 for standard bedroom closet (4 ft reach-in)
This ballpark estimate covers the cost of closet installation. There is no extra charge for demolition, framing, drywall, and finishing for reach-in closet (48" wide and 28" deep). It will likely exclude [excludes 2].

Reported by:
ProMatcher Research Team
07208, Elizabeth, New Jersey - January 18, 2023

Building a Closet

$1,822.23 - $1,994.63 for standard bedroom closet (4 ft reach-in)
Estimated quote for closet installation is included. Includes wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). Cost does not include built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
10701, Yonkers, New York - January 18, 2023

Building a Closet

$2,045.51 - $2,239.03 for standard bedroom closet (4 ft reach-in)
Price quote includes closet building. It includes framing walls and hanging drywall to add a closet to an existing room (4 ft wide) too. Excludes shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
11226, Brooklyn, New York - January 18, 2023

Building a Closet

$2,617.39 - $2,865.01 for standard bedroom closet (4 ft reach-in)
This cost includes closet installation. Price does include wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). Estimate does not account for built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
08753, Toms River, New Jersey - January 18, 2023

Building a Closet

$1,799.18 - $1,969.40 for standard bedroom closet (4 ft reach-in)
This should be considered a ballpark estimate for closet building. These items come standard: wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). Certain items, such as larger sized closets, custom shelving construction, high-end closet organization systems, and cabinetry, are not typically included.

Reported by:
ProMatcher Research Team
11751, Islip, New York - January 18, 2023

Building a Closet

$2,072.88 - $2,268.99 for standard bedroom closet (4 ft reach-in)
This ballpark estimate covers the cost of closet building. There is no extra charge for demolition, framing, drywall, and finishing for reach-in closet (48" wide and 28" deep). The estimate does not cover shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
10583, Scarsdale, New York - January 18, 2023

Building a Closet

$2,087.28 - $2,284.75 for standard bedroom closet (4 ft reach-in)
Mutliple factors determine the cost of closet building. This rough estimate includes wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). In most cases, larger sized closets, custom shelving construction, high-end closet organization systems, and cabinetry are not included.

Reported by:
ProMatcher Research Team
07055, Passaic, New Jersey - January 18, 2023

Building a Closet

$1,891.38 - $2,070.31 for standard bedroom closet (4 ft reach-in)
Manhours for closet building are included. Estimate includes framing walls and hanging drywall to add a closet to an existing room (4 ft wide). However, it does not include shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
10521, Croton On Hudson, New York - January 18, 2023

Building a Closet

$2,088.73 - $2,286.33 for standard bedroom closet (4 ft reach-in)
This is how much one can expect to spend on closet building. Typically included in the price: demolition, framing, drywall, and finishing for reach-in closet (48" wide and 28" deep). Prices may be higher for shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
10199, New York, New York - January 18, 2023

Building a Closet

$2,290.40 - $2,507.08 for standard bedroom closet (4 ft reach-in)
Estimate accounts for the cost of closet installation. Price includes wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). Items not included: built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
11366, Fresh Meadows, New York - January 18, 2023

Building a Closet

$2,290.40 - $2,507.08 for standard bedroom closet (4 ft reach-in)
This closet building cost estimate considers the cost of labor. Price takes into account framing walls and hanging drywall to add a closet to an existing room (4 ft wide). Excludes shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
08901, New Brunswick, New Jersey - January 18, 2023

Building a Closet

$1,853.92 - $2,029.32 for standard bedroom closet (4 ft reach-in)
This is the approximate cost for closet building. This would account for wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). It does not normally include larger sized closets, custom shelving construction, high-end closet organization systems, and cabinetry.

Reported by:
ProMatcher Research Team
10801, New Rochelle, New York - January 18, 2023

Building a Closet

$2,070.00 - $2,265.83 for standard bedroom closet (4 ft reach-in)
This is the approximate cost for closet building. This would account for demolition, framing, drywall, and finishing for reach-in closet (48" wide and 28" deep). It does not normally include shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
07302, Jersey City, New Jersey - January 18, 2023

Building a Closet

$1,790.54 - $1,959.94 for standard bedroom closet (4 ft reach-in)
Labor for closet installation is included in estimate. Cost accounts for demolition, framing, drywall, and finishing for reach-in closet (48" wide and 28" deep). Items not included: built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
11771, Oyster Bay, New York - January 18, 2023

Building a Closet

$2,090.17 - $2,287.91 for standard bedroom closet (4 ft reach-in)
Prices for closet installation may vary on a case-by-case-basis. This typically covers framing walls and hanging drywall to add a closet to an existing room (4 ft wide). These items are considered extra: larger sized closets, custom shelving construction, high-end closet organization systems, and cabinetry.

Reported by:
ProMatcher Research Team
08846, Middlesex, New Jersey - January 18, 2023

Building a Closet

$1,797.74 - $1,967.82 for standard bedroom closet (4 ft reach-in)
Price estimate includes closet installation. It also includes wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). Cost does not take into account built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
11962, Sagaponack, New York - January 18, 2023

Building a Closet

$2,146.35 - $2,349.40 for standard bedroom closet (4 ft reach-in)
This is how much one can expect to spend on closet building. Typically included in the price: framing walls and hanging drywall to add a closet to an existing room (4 ft wide). Prices may be higher for built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
07002, Bayonne, New Jersey - January 18, 2023

Building a Closet

$1,787.66 - $1,956.78 for standard bedroom closet (4 ft reach-in)
This closet building price quote presumes typical conditions. No additional charge for framing walls and hanging drywall to add a closet to an existing room (4 ft wide). Cost excludes shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
11002, Floral Park, New York - January 18, 2023

Building a Closet

$2,049.83 - $2,243.76 for standard bedroom closet (4 ft reach-in)
This is the average price range for closet installation. Almost all quotes include demolition, framing, drywall, and finishing for reach-in closet (48" wide and 28" deep). Prices may be higher for shelving systems, storage solutions, cabinets, lighting, or larger closets.

Reported by:
ProMatcher Research Team
10602, White Plains, New York - January 18, 2023

Building a Closet

$2,072.88 - $2,268.99 for standard bedroom closet (4 ft reach-in)
This is how much one can expect to spend on closet installation. Typically included in the price: wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). This rate does not include built-in shelving, custom organization systems, and walk-in closets.

Reported by:
ProMatcher Research Team
11566, Merrick, New York - November 14, 2022

Building a Sunroom

$120.93 - $173.38 per square foot (three-season room)
Quote estimate includes labor. Also includes building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. Cost does not account for insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
10199, New York, New York - November 14, 2022

Building a Sunroom

$131.97 - $189.21 per square foot (three-season room)
Estimated quote for sunroom construction is included. Includes building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. Cost does not include insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
08753, Toms River, New Jersey - November 14, 2022

Building a Sunroom

$103.67 - $148.63 per square foot (three-season room)
This is how much one can expect to spend on sunroom construction. Typically included in the price: standard three-season room addition with builder-grade materials (windows, siding, and roofing) and standard electrical work. This rate does not include installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
11002, Floral Park, New York - November 14, 2022

Building a Sunroom

$118.11 - $169.34 per square foot (three-season room)
Here is the approximate price range for sunroom installation. This should cover adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. Expect to pay extra for insulating materials, heating and air conditioning work, and permitting .

Reported by:
ProMatcher Research Team
10025, New York, New York - November 14, 2022

Building a Sunroom

$179.86 - $257.87 per square foot (three-season room)
Price includes labor for sunroom construction. Items included: building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. Cost does not take into account insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
07722, Colts Neck, New Jersey - November 14, 2022

Building a Sunroom

$103.58 - $148.51 per square foot (three-season room)
This estimated price includes sunroom construction labor. Cost accounts for building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. Does not include insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
07002, Bayonne, New Jersey - November 14, 2022

Building a Sunroom

$103.00 - $147.68 per square foot (three-season room)
Estimate for sunroom installation is included. No additional charge for adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. Cost does not take into account installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
11366, Fresh Meadows, New York - November 14, 2022

Building a Sunroom

$131.97 - $189.21 per square foot (three-season room)
Price estimate include labor. Estimate includes adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. Cost excludes installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
07102, Newark, New Jersey - November 14, 2022

Building a Sunroom

$107.65 - $154.34 per square foot (three-season room)
Estimated quote takes into account the price of sunroom construction. Also includes building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. Estimate does not account for insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
10303, Staten Island, New York - November 14, 2022

Building a Sunroom

$106.16 - $152.20 per square foot (three-season room)
This is how much sunroom installation generally costs. Most estimates include adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. There will be an extra fee for insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
10583, Scarsdale, New York - November 14, 2022

Building a Sunroom

$120.27 - $172.43 per square foot (three-season room)
This is how much sunroom construction generally costs. These items come standard: standard three-season room addition with builder-grade materials (windows, siding, and roofing) and standard electrical work. There will be an extra fee for installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
08901, New Brunswick, New Jersey - November 14, 2022

Building a Sunroom

$106.82 - $153.15 per square foot (three-season room)
This is the typical price range for sunroom construction. Generally, this includes standard three-season room addition with builder-grade materials (windows, siding, and roofing) and standard electrical work. There may be an additional cost for installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
10801, New Rochelle, New York - November 14, 2022

Building a Sunroom

$119.27 - $171.00 per square foot (three-season room)
This is the typical price range for sunroom construction. Generally, this includes adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. There may be an additional cost for insulating materials, heating and air conditioning work, and permitting .

Reported by:
ProMatcher Research Team
10602, White Plains, New York - November 14, 2022

Building a Sunroom

$119.44 - $171.24 per square foot (three-season room)
This is the average price range for sunroom installation. Almost all quotes include standard three-season room addition with builder-grade materials (windows, siding, and roofing) and standard electrical work. This rate does not include installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
07601, Hackensack, New Jersey - November 14, 2022

Building a Sunroom

$109.56 - $157.08 per square foot (three-season room)
This estimated cost covers the price of sunroom construction. It will likely include standard three-season room addition with builder-grade materials (windows, siding, and roofing) and standard electrical work. The estimate does not cover installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
07302, Jersey City, New Jersey - November 14, 2022

Building a Sunroom

$103.17 - $147.92 per square foot (three-season room)
This quote takes into account the cost of sunroom construction. It includes standard three-season room addition with builder-grade materials (windows, siding, and roofing) and standard electrical work. Price excludes insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
07510, Paterson, New Jersey - November 14, 2022

Building a Sunroom

$104.33 - $149.58 per square foot (three-season room)
Cost of sunroom installation is included. Price estimate includes adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. Does not include installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
07208, Elizabeth, New Jersey - November 14, 2022

Building a Sunroom

$105.00 - $150.54 per square foot (three-season room)
Price takes into account the cost of sunroom construction. It also includes building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. However, it excludes insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
11751, Islip, New York - November 14, 2022

Building a Sunroom

$119.44 - $171.24 per square foot (three-season room)
The cost of sunroom construction normally falls in this range. This normally includes adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. It is unlikely to include insulating materials, heating and air conditioning work, and permitting .

Reported by:
ProMatcher Research Team
08846, Middlesex, New Jersey - November 14, 2022

Building a Sunroom

$103.58 - $148.51 per square foot (three-season room)
Price quote accounts for the cost of sunroom construction. Estimate takes into account building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. It excludes insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
11771, Oyster Bay, New York - November 14, 2022

Building a Sunroom

$120.43 - $172.67 per square foot (three-season room)
The average cost of sunroom construction usually falls in this range. It does include building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. In most cases, insulation, HVAC, plumbing work, and construction permits are not included.

Reported by:
ProMatcher Research Team
10701, Yonkers, New York - November 14, 2022

Building a Sunroom

$117.86 - $168.98 per square foot (three-season room)
Labor is included in this sunroom installation price quote. Includes adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. Cost does not account for installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
11226, Brooklyn, New York - November 14, 2022

Building a Sunroom

$150.81 - $216.22 per square foot (three-season room)
Cost estimate includes sunroom construction. Price does include building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. Items excluded: insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
10521, Croton On Hudson, New York - November 14, 2022

Building a Sunroom

$120.35 - $172.55 per square foot (three-season room)
Here is the approximate price range for sunroom construction. This estimate price accounts for adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. Additional charges will apply for insulating materials, heating and air conditioning work, and permitting .

Reported by:
ProMatcher Research Team
11962, Sagaponack, New York - November 14, 2022

Building a Sunroom

$123.67 - $177.31 per square foot (three-season room)
Here is the approximate price range for sunroom installation. This should cover building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. Expect to pay extra for insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
07055, Passaic, New Jersey - November 14, 2022

Building a Sunroom

$108.98 - $156.25 per square foot (three-season room)
Includes labor cost for sunroom installation. Accounts for the price of adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. Excludes installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.

Reported by:
ProMatcher Research Team
11743, Huntington, New York - November 14, 2022

Building a Sunroom

$120.27 - $172.43 per square foot (three-season room)
This estimated cost covers the price of sunroom installation. It will likely include adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. It will likely exclude insulation, HVAC, plumbing work, and construction permits.

Reported by:
ProMatcher Research Team
07722, Colts Neck, New Jersey - December 10, 2021

Building a Home Addition

$106.08 - $168.50 per square foot for standard grade construction
Estimated quote takes into account the price of home addition construction. Also includes permits, builders grade materials, demolition, cleanup and disposal. Estimate does not account for high end finishes, deep foundations, and architectural plan preparation.

Reported by:
ProMatcher Research Team
11226, Brooklyn, New York - December 10, 2021

Building a Home Addition

$154.44 - $245.33 per square foot for standard grade construction
Price includes manhours for home addition construction. Also includes permits, builders grade materials, demolition, cleanup and disposal. Cost estimate excludes high end finishes, deep foundations, and architectural plan preparation.

Reported by:
ProMatcher Research Team
07055, Passaic, New Jersey - December 10, 2021

Building a Home Addition

$111.61 - $177.28 per square foot for standard grade construction
This is an estimated cost for building a home addition. Items included: standard materials (windows, siding, roofing, electrical, fixtures), construction permits, and waste removal. Price excludes construction drawings, premium finishes, and deep foundations.

Reported by:
ProMatcher Research Team
10025, New York, New York - December 10, 2021

Building a Home Addition

$184.19 - $292.59 per square foot for standard grade construction
This home addition construction price considers the cost of labor. Also includes permits, builders grade materials, demolition, cleanup and disposal. Cost estimate excludes high end finishes, deep foundations, and architectural plan preparation.

Reported by:
ProMatcher Research Team
10199, New York, New York - December 10, 2021

Building a Home Addition

$135.15 - $214.68 per square foot for standard grade construction
Labor is included. Estimate accounts for standard materials (windows, siding, roofing, electrical, fixtures), construction permits, and waste removal. Doesn't include construction drawings, premium finishes, and deep foundations.

Reported by:
ProMatcher Research Team
08846, Middlesex, New Jersey - December 10, 2021

Building a Home Addition

$106.08 - $168.50 per square foot for standard grade construction
Labor is included in this home addition construction estimate. Price accounts for permits, builders grade materials, demolition, cleanup and disposal. Additional charge for high end finishes, deep foundations, and architectural plan preparation.

Reported by:
ProMatcher Research Team
07302, Jersey City, New Jersey - December 10, 2021

Building a Home Addition

$105.66 - $167.83 per square foot for standard grade construction
Cost includes labor for home addition construction. Also includes permits, builders grade materials, demolition, cleanup and disposal. Items not included: high end finishes, deep foundations, and architectural plan preparation.

Reported by:
ProMatcher Research Team
11566, Merrick, New York - December 10, 2021

Building a Home Addition

$123.84 - $196.72 per square foot for standard grade construction
Includes labor for building a home addition. Cost accounts for standard materials (windows, siding, roofing, electrical, fixtures), construction permits, and waste removal. No construction drawings, premium finishes, and deep foundations included.

Reported by:
ProMatcher Research Team
07102, Newark, New Jersey - December 10, 2021

Building a Home Addition

$110.24 - $175.12 per square foot for standard grade construction
Cost includes labor. Includes standard materials (windows, siding, roofing, electrical, fixtures), construction permits, and waste removal. Does not account for construction drawings, premium finishes, and deep foundations.

Reported by:
ProMatcher Research Team
10701, Yonkers, New York - December 10, 2021

Building a Home Addition

$120.70 - $191.73 per square foot for standard grade construction
Manhours for building a home addition are included in estimate. Cost takes into account standard materials (windows, siding, roofing, electrical, fixtures), construction permits, and waste removal. Additional charge for construction drawings, premium finishes, and deep foundations.

Reported by:
ProMatcher Research Team
07510, Paterson, New Jersey - December 10, 2021

Building a Home Addition

$106.85 - $169.72 per square foot for standard grade construction
This estimated cost includes building a home addition labor. Price estimate includes standard materials (windows, siding, roofing, electrical, fixtures), construction permits, and waste removal. Items excluded: construction drawings, premium finishes, and deep foundations.

Reported by:
ProMatcher Research Team
11366, Fresh Meadows, New York - December 10, 2021

Building a Home Addition

$135.15 - $214.68 per square foot for standard grade construction
Price quote considers the cost of building a home addition. Items included: standard materials (windows, siding, roofing, electrical, fixtures), construction permits, and waste removal. Cost excludes construction drawings, premium finishes, and deep foundations.

Reported by:
ProMatcher Research Team
07208, Elizabeth, New Jersey - December 10, 2021

Building a Home Addition

$107.53 - $170.80 per square foot for standard grade construction
Cost of home addition construction is included. Price estimate includes standard grade materials, demo, building permits, and construction cleanup. Does not include high end finishes, deep foundations, and architectural plan preparation.

Reported by:
ProMatcher Research Team
08846, Middlesex, New Jersey - May 16, 2021

Building a Garage Addition

$43.68 - $56.16 per square foot (custom designed, standard grade)
Estimated quote includes building a garage addition. Also includes standard grade materials and debris removal. Cost does not take into account design drawings.

Reported by:
ProMatcher Research Team
10701, Yonkers, New York - May 16, 2021

Building a Garage Addition

$49.70 - $63.90 per square foot (custom designed, standard grade)
Estimated quote for garage construction is included. Includes standard materials and project cleanup. Cost does not include blueprint preparation.

Reported by:
ProMatcher Research Team
07302, Jersey City, New Jersey - May 16, 2021

Building a Garage Addition

$43.51 - $55.94 per square foot (custom designed, standard grade)
Includes labor cost for building a garage addition. Accounts for the price of standard grade materials and debris removal. Excludes design drawings.

Reported by:
ProMatcher Research Team
07055, Passaic, New Jersey - May 16, 2021

Building a Garage Addition

$45.96 - $59.09 per square foot (custom designed, standard grade)
Price includes labor for garage construction. Items included: standard materials and project cleanup. Cost does not take into account blueprint preparation.

Reported by:
ProMatcher Research Team
11366, Fresh Meadows, New York - May 16, 2021

Building a Garage Addition

$55.65 - $71.55 per square foot (custom designed, standard grade)
Labor for garage construction is included in the price. Accounts for cost of standard materials and project cleanup Cost does not account for blueprint preparation.

Reported by:
ProMatcher Research Team
11226, Brooklyn, New York - May 16, 2021

Building a Garage Addition

$63.59 - $81.77 per square foot (custom designed, standard grade)
Price of building a garage addition is included in the estimate. Estimate also includes standard grade materials and debris removal. Does not include design drawings.

Reported by:
ProMatcher Research Team
07102, Newark, New Jersey - May 16, 2021

Building a Garage Addition

$45.39 - $58.36 per square foot (custom designed, standard grade)
Includes the cost of garage construction. Price includes standard materials and project cleanup. Estimate does not take into account blueprint preparation.

Reported by:
ProMatcher Research Team
07510, Paterson, New Jersey - May 16, 2021

Building a Garage Addition

$44.00 - $56.57 per square foot (custom designed, standard grade)
Price includes manhours for garage construction. Also includes standard materials and project cleanup. Cost estimate excludes blueprint preparation.

Reported by:
ProMatcher Research Team
10199, New York, New York - May 16, 2021

Building a Garage Addition

$55.65 - $71.55 per square foot (custom designed, standard grade)
This cost includes garage construction. Price does include standard materials and project cleanup. Estimate does not account for blueprint preparation.

Reported by:
ProMatcher Research Team
07722, Colts Neck, New Jersey - May 16, 2021

Building a Garage Addition

$43.68 - $56.16 per square foot (custom designed, standard grade)
This is an average building a garage addition price. Also includes standard grade materials and debris removal. Additional cost for design drawings.

Reported by:
ProMatcher Research Team
07208, Elizabeth, New Jersey - May 16, 2021

Building a Garage Addition

$44.28 - $56.93 per square foot (custom designed, standard grade)
Cost estimate includes building a garage addition. Price does include standard materials and waste removal. Items excluded: design drawings.

Reported by:
ProMatcher Research Team
10025, New York, New York - May 16, 2021

Building a Garage Addition

$75.84 - $97.51 per square foot (custom designed, standard grade)
This estimated price includes building a garage addition labor. Cost accounts for standard grade materials and debris removal. Does not include design drawings.

Reported by:
ProMatcher Research Team
11566, Merrick, New York - May 16, 2021

Building a Garage Addition

$50.99 - $65.56 per square foot (custom designed, standard grade)
Cost includes garage construction. Includes standard materials and project cleanup. Items excluded: blueprint preparation.

Reported by:
ProMatcher Research Team
07055, Passaic, New Jersey - October 29, 2020

Dormer Addition

$3,886.48 - $4,319.77 for single-window gable dormer
Price quote accounts for the cost of window dormer installation. Estimate takes into account standard-grade materials and supplies to build gable dormer with one average-sized window. It excludes room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
07208, Elizabeth, New Jersey - October 29, 2020

Dormer Addition

$3,744.40 - $4,161.85 for single-window gable dormer
Price range includes labor. Estimate accounts for framing, roofing, and finishing a gable dormer with a single window. Cost does not include larger dormers, electrical work or plumbing services, permit inspection fees, dormers for hip roofs, and interior space renovations.

Reported by:
ProMatcher Research Team
07510, Paterson, New Jersey - October 29, 2020

Dormer Addition

$3,720.72 - $4,135.53 for single-window gable dormer
Price quote considers the cost of window dormer installation. Items included: standard-grade materials and supplies to build gable dormer with one average-sized window. Cost excludes room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
07722, Colts Neck, New Jersey - October 29, 2020

Dormer Addition

$3,694.08 - $4,105.92 for single-window gable dormer
Cost includes labor for window dormer installation. Also includes standard-grade materials and supplies to build gable dormer with one average-sized window. Items not included: room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
11366, Fresh Meadows, New York - October 29, 2020

Dormer Addition

$4,706.40 - $5,231.10 for single-window gable dormer
Manhours for window dormer installation are included in estimate. Cost takes into account standard-grade materials and supplies to build gable dormer with one average-sized window. Additional charge for room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
10701, Yonkers, New York - October 29, 2020

Dormer Addition

$4,203.20 - $4,671.80 for single-window gable dormer
Includes manhours for dormer addition construction. Cost takes into account cutting into an existing roof, framing structure, installing window, re-roofing, and re-siding. Additional charge for larger dormers, electrical work or plumbing services, permit inspection fees, dormers for hip roofs, and interior space renovations.

Reported by:
ProMatcher Research Team
11226, Brooklyn, New York - October 29, 2020

Dormer Addition

$5,378.32 - $5,977.93 for single-window gable dormer
Manhours for dormer addition construction are included in price. Cost estimate includes cutting into an existing roof, framing structure, installing window, re-roofing, and re-siding. Does not include larger dormers, electrical work or plumbing services, permit inspection fees, dormers for hip roofs, and interior space renovations.

Reported by:
ProMatcher Research Team
10199, New York, New York - October 29, 2020

Dormer Addition

$4,706.40 - $5,231.10 for single-window gable dormer
This window dormer installation cost estimate considers the cost of labor. Price takes into account standard-grade materials and supplies to build gable dormer with one average-sized window. Excludes room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
08846, Middlesex, New Jersey - October 29, 2020

Dormer Addition

$3,694.08 - $4,105.92 for single-window gable dormer
This is an estimated quote for window dormer installation. Price also includes standard-grade materials and supplies to build gable dormer with one average-sized window. Does not include room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
07102, Newark, New Jersey - October 29, 2020

Dormer Addition

$3,839.12 - $4,267.13 for single-window gable dormer
The window dormer installation cost presumes typical conditions. Also includes standard-grade materials and supplies to build gable dormer with one average-sized window. Price does not account for room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
11566, Merrick, New York - October 29, 2020

Dormer Addition

$4,312.72 - $4,793.53 for single-window gable dormer
Cost estimate takes into account the price of window dormer installation. Price includes standard-grade materials and supplies to build gable dormer with one average-sized window. Excludes room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
07302, Jersey City, New Jersey - October 29, 2020

Dormer Addition

$3,679.28 - $4,089.47 for single-window gable dormer
Manhours for window dormer installation are included in cost. Estimate includes standard-grade materials and supplies to build gable dormer with one average-sized window. Items excluded: room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
10025, New York, New York - October 29, 2020

Dormer Addition

$6,414.32 - $7,129.43 for single-window gable dormer
Estimated quote includes labor for window dormer installation. No additional charge for standard-grade materials and supplies to build gable dormer with one average-sized window. Cost estimate excludes room-size additions, permits, interior finishes, hip roof dormers, shed dormers, home electrical wiring, or plumbing, .

Reported by:
ProMatcher Research Team
07020, Edgewater, New Jersey - September 11, 2015

Building a Home Addition

$85.00 to $120.00 per square foot for premium grade construction
$65.00 to $95.00 per square foot for standard grade construction
Based on the type of homes we have remodeled in New Jersey such as home additions and add a levels, we have come up with this basic pricing method

Reported by:
David Pangione, Pangione Developers Inc
07452, Glen Rock, New Jersey - April 15, 2015

Building a Home Addition

$85.00 to $150.00 per square foot for standard grade construction
All jobs are different and require attention in different ways, its not fair to us or our clients to price everything the same.

Reported by:
Keith Mellen, North Jersey Pro Builders
 
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Westchester County Home Addition Contractors


SPONSORED
PAINT POWER
2 Woodland Way N
Ellenville, NY
1.800.351.4820
Pangione Developers Inc
68 Myrtle Ave, Edgewater, NJ
201-774-3733
North Jersey Pro Builders
515 S Broad St, Glen Rock, NJ
201-857-4949
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Disclaimer: Costs and prices shown on the ProMatcher site are intended to be used as general information, not as guaranteed estimates. To obtain cost information relevant to your project, request a quote or estimate from a local service provider.
Home Additions > Costs & Prices > New York > Westchester County Home Additions Costs & Prices

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