Cost to Build a House in San Diego, California (2026)
A 2,000 sq ft mid-range home in San Diego costs approximately $501,366–$638,102, or $300/sq ft. San Diego runs 10% above the California average.
Estimated Build Cost in California
Range: $455,787 – $580,093
Configure Your Build
Upgraded finishes, quality materials
Mid-Range Finish Includes
- • Quartz countertops
- • Hardwood floors
- • Semi-custom cabinets
- • Upgraded fixtures
Line-Item Estimate
* Excludes land cost, which varies widely by location. Add $20,000–$200,000+ depending on your area.
Building in San Diego: What to Know
- →Coastal fire zone adds cost
- →Strong building demand
Cost by Size in San Diego
About Construction Costs in San Diego
Building a new home in San Diego, California in 2026 costs approximately $300 per square foot for mid-range construction — putting a 2,000 sq ft home at roughly $569,734 for the structure alone (excluding land). San Diego is 10% more expensive than the California state average, driven by local labor market conditions and construction demand.
California as a whole has a cost multiplier of 1.45× the national average. Combined with San Diego's local adjustment of 1.1×, the effective multiplier for this city is 1.59× the national baseline.
These estimates cover construction costs only and do not include land, which varies significantly in San Diego. Always obtain bids from at least 2–3 licensed general contractors in the area for an accurate project budget.