How much does it cost to build in San Jose, CA? (2026)
Construction in the Silicon Valley area runs about 34% higher than the national average (cost index 1.34). Here are 2026 ballpark ranges for common projects, scaled to San Jose pricing.
| Project type | San Jose range (2026) |
|---|---|
| New custom single-family home mid-range finishes; land not included | $211–$297/sq ft |
| Accessory dwelling unit (ADU) higher per-foot cost at small scale | $296–$418/sq ft |
| Whole-home renovation varies widely with scope | $165–$233/sq ft |
| Commercial tenant improvement shell condition dependent | $137–$193/sq ft |
| Kitchen remodel (mid-range) typical 150–200 sq ft kitchen | $31,892–$45,024 total |
Illustrative 2026 ranges, national baselines scaled by the San Jose regional cost index. Real pricing depends on finishes, site conditions, design, and current material prices — always price actual plans.
Get a real San Jose estimate from your plans
CMDBLD reads your plan set and prices a code-aware, San Jose-costed estimate in minutes.
Start 30-Day Free TrialFAQ
A new mid-range custom home in San Jose runs roughly $211–$297 per square foot in 2026, before land, based on Silicon Valley construction costs running about 34% higher than the national average. Actual pricing depends on finishes, site work, and design.
Local labor rates, material availability, permitting, and code requirements all move the number. San Jose sits at a 1.34× cost index versus the U.S. average, so plan and estimate to local pricing — not a national rule of thumb.
Have a contractor price your actual plans. CMDBLD reads a plan set and produces a code-aware, San Jose-priced estimate in minutes, then learns from real job costs so it stays accurate over time.