San Diego Home Additions Costs & Prices
San Diego, California. The San Diego Home Additions Cost Report is a concise report on everything you need to know about the cost of home additions in the San Diego area.
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Average Home Additions Cost in San Diego
We have done a little research to find the average cost of home additions in San Diego. Here are the average costs and prices reported back to us:
Cost of Building a Home Addition in San Diego, California$141.92 per square foot for standard grade construction (Range: $109.65 - $174.18) Free Estimates from Local ProsCost of Building a Garage Addition in San Diego, California$51.60 per square foot (custom designed, standard grade) (Range: $45.15 - $58.05) Free Estimates from Local ProsCost of Building a Sunroom in San Diego, California$130.78 per square foot (three-season room) (Range: $107.47 - $154.09) Free Estimates from Local ProsCost of Dormer Addition in San Diego, California$4,031.25 for single-window gable dormer (Range: $3,818.40 - $4,244.10) Free Estimates from Local ProsCost of Building a Closet in San Diego, California$1,953.44 for standard bedroom closet (4 ft reach-in) (Range: $1,865.21 - $2,041.67) Free Estimates from Local Pros |
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San Diego Home Additions Cost Data
Professionals in the San Diego area have provided information about how much home additions cost(s). Here are some of the individual reports:
92199, San Diego, California - January 18, 2023
Building a Closet$1,905.78 - $2,086.08 for standard bedroom closet (4 ft reach-in)
Price quote accounts for the cost of closet building. Estimate takes into account framing walls and hanging drywall to add a closet to an existing room (4 ft wide). It excludes shelving systems, storage solutions, cabinets, lighting, or larger closets.
Reported by:
ProMatcher Research Team |
92199, San Diego, California - November 14, 2022
Building a Sunroom$109.81 - $157.44 per square foot (three-season room)
This estimated price includes sunroom installation labor. Cost accounts for 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 |
92199, San Diego, California - December 10, 2021
Building a Home Addition$112.46 - $178.63 per square foot for standard grade construction
Estimated quote takes into account the price of building a home addition. Also includes standard materials (windows, siding, roofing, electrical, fixtures), construction permits, and waste removal. Estimate does not account for construction drawings, premium finishes, and deep foundations.
Reported by:
ProMatcher Research Team |
92199, San Diego, California - May 16, 2021
Building a Garage Addition$46.31 - $59.54 per square foot (custom designed, standard grade)
This is an average garage construction price. Also includes standard materials and project cleanup. This estimate does not include blueprint preparation.
Reported by:
ProMatcher Research Team |
92199, San Diego, California - October 29, 2020
Dormer Addition$3,916.08 - $4,352.67 for single-window gable dormer
Cost includes labor for dormer addition construction. Also includes framing, roofing, and finishing a gable dormer with a single window. Items not included: larger dormers, electrical work or plumbing services, permit inspection fees, dormers for hip roofs, and interior space renovations.
Reported by:
ProMatcher Research Team |
92124, San Diego, California - July 18, 2019
Building a Home Addition$200.00 to $250.00 per square foot for premium grade construction
$160.00 to $190.00 per square foot for standard grade construction
1000 +20% +30%+25%+15%+10%
Reported by:
Neil Coetzee, ADU Creation |
92105, San Diego, California - April 2, 2018
Building a Home Addition$225.00 to $310.00 per square foot for premium grade construction
$120.00 to $180.00 per square foot for standard grade construction
Do it right and on time.
Reported by:
Carlos Gonzales, Call Carlos Construction |
91910, Chula Vista, California - January 18, 2023
Building a Closet$1,796.30 - $1,966.24 for standard bedroom closet (4 ft reach-in)
Price includes labor for closet installation. Items included: 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 |
92009, Carlsbad, California - January 18, 2023
Building a Closet$1,836.64 - $2,010.39 for standard bedroom closet (4 ft reach-in)
Estimate takes into account the cost of closet building. Price does include 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 |
92021, El Cajon, California - January 18, 2023
Building a Closet$1,921.63 - $2,103.42 for standard bedroom closet (4 ft reach-in)
This estimated quote includes closet building. It also includes 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 |
92054, Oceanside, California - January 18, 2023
Building a Closet$1,858.25 - $2,034.05 for standard bedroom closet (4 ft reach-in)
Estimated quote includes labor for closet installation. No additional charge for wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). Cost estimate excludes built-in shelving, custom organization systems, and walk-in closets.
Reported by:
ProMatcher Research Team |
92025, Escondido, California - January 18, 2023
Building a Closet$1,872.65 - $2,049.81 for standard bedroom closet (4 ft reach-in)
This estimate includes closet installation. Cost does include wall framing, drywall installation, and builder-grade finishes (rod, door, hinges, etc.). There is an additional charge for built-in shelving, custom organization systems, and walk-in closets.
Reported by:
ProMatcher Research Team |
92025, Escondido, California - November 14, 2022
Building a Sunroom$107.90 - $154.70 per square foot (three-season room)
Includes labor for sunroom construction. Cost accounts for standard three-season room addition with builder-grade materials (windows, siding, and roofing) and standard electrical work. No insulation, HVAC, plumbing work, and construction permits included.
Reported by:
ProMatcher Research Team |
92021, El Cajon, California - November 14, 2022
Building a Sunroom$110.72 - $158.75 per square foot (three-season room)
This sunroom installation estimate takes into account labor. Includes adding a three-season room to an existing structural base, installing standard-grade windows, siding, roofing and fixtures, and installing electrical access. Price does not take into account installing insulation, extending heating and/or cooling system, installing plumbing, and pulling permits.
Reported by:
ProMatcher Research Team |
92009, Carlsbad, California - November 14, 2022
Building a Sunroom$105.83 - $151.73 per square foot (three-season room)
This estimated quote includes sunroom installation. It also 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 |
92054, Oceanside, California - November 14, 2022
Building a Sunroom$107.07 - $153.51 per square foot (three-season room)
Includes sunroom construction labor cost. There is no additional charge for building a three-season sunroom onto an existing patio, deck, or slab foundation, standard materials (windows, siding, roofing, etc.), and basic electrical wiring. Price does not take into account insulation, HVAC, plumbing work, and construction permits.
Reported by:
ProMatcher Research Team |
91910, Chula Vista, California - November 14, 2022
Building a Sunroom$103.50 - $148.39 per square foot (three-season room)
Includes pricing for sunroom construction. Cost 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. Excludes insulation, HVAC, plumbing work, and construction permits.
Reported by:
ProMatcher Research Team |
92025, Escondido, California - December 10, 2021
Building a Home Addition$110.50 - $175.53 per square foot for standard grade construction
Cost accounts for the price of home addition construction. Does include standard grade materials, demo, building permits, and construction cleanup. Price does not take into account high end finishes, deep foundations, and architectural plan preparation.
Reported by:
ProMatcher Research Team |
91910, Chula Vista, California - December 10, 2021
Building a Home Addition$106.00 - $168.37 per square foot for standard grade construction
This estimate includes home addition construction. Also includes permits, builders grade materials, demolition, cleanup and disposal. There is an additional cost for high end finishes, deep foundations, and architectural plan preparation.
Reported by:
ProMatcher Research Team |
92054, Oceanside, California - December 10, 2021
Building a Home Addition$109.65 - $174.18 per square foot for standard grade construction
Includes the cost of building a home addition labor. Price accounts for 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 |
91910, Chula Vista, California - May 16, 2021
Building a Garage Addition$43.65 - $56.12 per square foot (custom designed, standard grade)
Price range takes into account building a garage addition labor. Accounts for the price of standard grade materials and debris removal. Excludes design drawings.
Reported by:
ProMatcher Research Team |
92025, Escondido, California - May 16, 2021
Building a Garage Addition$45.50 - $58.50 per square foot (custom designed, standard grade)
This building a garage addition cost estimate considers the cost of labor. Price takes into account standard materials and waste removal. Excludes design drawings.
Reported by:
ProMatcher Research Team |
92054, Oceanside, California - May 16, 2021
Building a Garage Addition$45.15 - $58.05 per square foot (custom designed, standard grade)
Cost takes into account the price of garage construction. No additional charge for standard materials and project cleanup. Price does not account for blueprint preparation.
Reported by:
ProMatcher Research Team |
91910, Chula Vista, California - October 29, 2020
Dormer Addition$3,691.12 - $4,102.63 for single-window gable dormer
Includes dormer addition construction labor cost. There is no additional charge for cutting into an existing roof, framing structure, installing window, re-roofing, and re-siding. Price does not take into account larger dormers, electrical work or plumbing services, permit inspection fees, dormers for hip roofs, and interior space renovations.
Reported by:
ProMatcher Research Team |
92025, Escondido, California - October 29, 2020
Dormer Addition$3,848.00 - $4,277.00 for single-window gable dormer
Labor is included dormer addition construction price. Also includes 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 |
92054, Oceanside, California - October 29, 2020
Dormer Addition$3,818.40 - $4,244.10 for single-window gable dormer
This estimated cost includes window dormer installation labor. Price 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 |
92024, Encinitas, California - February 28, 2017
Building a Home Addition$225.00 to $285.00 per square foot for premium grade construction
$125.00 to $150.00 per square foot for standard grade construction
On building materials we only mark them up 10% to cover our handling and delivery costs. We encourage the clients to shop online to get the best prices for their plumbing fixtures, lighting fixtures, appliances etc. This speeds up the construction process. We take care of all the rough materials.
Reported by:
Craig Bortman, Boardwalk Construction |
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San Diego Home Addition Contractors
ADU CreationPendiente, San Diego, CA 619-244-2997
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Boardwalk Construction1199 Arden Drive, Encinitas, CA (805) 901-9848
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AC Home RemodelSkycrest, Mission Viejo, CA 9493378707
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