Detached Garage Cost in San Diego, CA
Detached Garage in San Diego costs $55–$130 per sq ft in 2026. A typical 576 sq ft project averages $48,672. San Diego pricing runs roughly 30% above the West regional baseline.
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How much does a detached garage cost in San Diego, CA? In San Diego, a detached garage costs $31,450–$74,880 in 2026, with most homeowners paying around $48,672 for a typical 576 sq ft project.
- Per sq ft
- $55–$130
- Typical range
- $31,450–$74,880
- Average
- $48,672
- Labor share
- 55%
San Diego, CA Average Cost (2026)
What Drives Detached Garage Costs in San Diego
Permits & zoning
San Diego detached garages go through the Development Services Department; per Municipal Code 131.0450, detached structures on the same lot must keep at least 6 ft between them, and fire code may require rated materials on the existing house's wall when structures sit closer than 10 ft eave-to-eave. Garages otherwise follow the standard setback and height rules for the zoning district — confirm the specific figures for your lot before design, since they vary by zone across the county.
Climate & construction
No frost depth concern exists in San Diego's coastal and inland-valley climate, but expansive soils in parts of the county (Rancho Bernardo, parts of the East County) can require engineered foundation design. Coastal marine layer humidity in neighborhoods like Ocean Beach and Point Loma accelerates wear on untreated wood trim and siding.
Local market
A 20×20 two-car garage is standard on San Diego's larger suburban lots; hill communities (Scripps Ranch, Rancho Peñasquitos) can add engineered foundation cost on sloped sites. Costs run 25–35% above the national average — lower than LA or the Bay Area thanks to a more competitive contractor market. Verify any contractor at cslb.ca.gov.
Information reflects general guidance for San Diego, CA; permit fees, code requirements, and zoning rules change — always confirm with the local building department before starting work.
Cost Breakdown
Based on a 576 sq ft project in San Diego, CA. Actual costs vary by contractor, site conditions, and material choices.
Detached Garage Cost by Size in San Diego
San Diego pricing for common detached garage project sizes (2026).
| Project size | Low | Mid | High |
|---|---|---|---|
| 288 sq ft | $15,725 | $24,336 | $37,440 |
| 576 sq ft | $31,450 | $48,672 | $74,880 |
| 1,152 sq ft | $62,899 | $97,344 | $149,760 |
Based on $55–$130 per sq ft in San Diego, CA. A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.
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Rates shown are approximate averages as of 2025 and will vary based on your credit score, lender, and loan-to-value ratio. Consult a lender for an accurate quote.
Return on Investment
How much value does a detached garage add to your home at resale?
How Detached Garage compares to other projects
ROI figures based on Remodeling Magazine Cost vs. Value Report 2024, national averages. Actual resale value depends on your market, home price tier, and project quality.
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Frequently Asked Questions
How much does a detached garage cost in San Diego, CA?
In San Diego, CA, a typical 576 sq ft detached garage project costs between $31,450 and $74,880, averaging $48,672. San Diego pricing runs roughly 30% above the West regional baseline.
How much does a 2-car garage cost in San Diego?
BuildCost's 576 sq ft default size is a 2-car garage — it typically costs $31,450–$74,880 in San Diego, CA, averaging $48,672.
Do I need a permit for a detached garage in San Diego?
San Diego detached garages go through the Development Services Department; per Municipal Code 131.0450, detached structures on the same lot must keep at least 6 ft between them, and fire code may require rated materials on the existing house's wall when structures sit closer than 10 ft eave-to-eave. Garages otherwise follow the standard setback and height rules for the zoning district — confirm the specific figures for your lot before design, since they vary by zone across the county.
What detached garage size is typical in San Diego?
A 20×20 two-car garage is standard on San Diego's larger suburban lots; hill communities (Scripps Ranch, Rancho Peñasquitos) can add engineered foundation cost on sloped sites. Costs run 25–35% above the national average — lower than LA or the Bay Area thanks to a more competitive contractor market. Verify any contractor at cslb.ca.gov.
Does a detached garage add value to homes in San Diego?
Nationally, a detached garage recoups about 65% of its cost at resale. For a $48,672 project in San Diego, CA, that's approximately $31,637 in added home value. Resale recovery varies by neighborhood and current market conditions.
Detached Garage Calculators
Estimate exact costs and material quantities for your San Diego detached garage project.
Other Project Costs in San Diego
Detached Garage Cost in Other California Cities
Or see the Detached Garage cost guide for all of California.
Get Your Estimate
How big is your Detached Garage?
A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.
Pro Tips
- Get at least 3 local contractor quotes
- Confirm permit requirements with the city
- Budget 10–20% contingency
- Check contractor license and insurance