Cost to Build a House in San Francisco, California
Construction costs in San Francisco, California typically range from $350–$600 per square foot. Typical full builds run $700K–$2.1M+, with ADUs from $193K–$432K and permits $15K–$80K+. Average timeline: 6-14 months.
Cost Snapshot
- Cost per Square Foot: $350–$600
- Typical Full Build: $700K–$2.1M+
- ADU Construction: $193K–$432K
- Permit Costs: $15K–$80K+
- Typical Timeline: 6-14 months
Cost Impact Factors
- Zoning restrictions in San Francisco
- Lot size, slope, and access
- Permit requirements in San Francisco
- Energy and building codes
- Labor costs in California
Frequently Asked Questions
- How much does it cost to build a house in San Francisco?
- In 2026, residential construction in San Francisco costs $350–$600+ per square foot depending on finish tier, lot conditions, and project scope.
- How long does it take to build a house in San Francisco?
- A typical new-construction home in San Francisco takes 8–14 months from permit approval to completion. Permit processing adds 6-14 months.
- How much does an ADU cost in San Francisco?
- ADU construction in San Francisco typically costs $193K–$432K depending on size, finish level, and whether it's attached or detached.
- What permits do I need to build in San Francisco?
- You'll need building permits, plan check approval, and potentially grading, electrical, plumbing, and mechanical permits. Costs range from $15K to $80K+.
- Is Buildora IQ accurate for San Francisco estimates?
- Yes. Buildora IQ calibrates every estimate to San Francisco's current labor rates, material costs, and permit fee structures using local market data.
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