Deck & Patio Cost in San Francisco, CA
Estimate your deck & patio budget in San Francisco with local cost data. Average costs range from $22 to $109/sq ft.
Budget
$22
per sq ft
AVERAGE
Mid-Range
$51
per sq ft
High-End
$109
per sq ft
Deck & Patio Budget Calculator — San Francisco
100 sq ft500 sq ft
0% (none)25% (generous)
Estimated Total for San Francisco, CA
$16,830
300 sq ft × $51/sq ft$15,300
Contingency (10%)$1,530
Total Estimate$16,830
* Estimates are based on 2026 average costs for San Francisco, CA. Actual costs may vary based on specific project requirements, contractor pricing, material selections, and permit fees.
About Deck & Patio in San Francisco
Building or replacing outdoor decks and patios including framing, decking material, railings, and finishing.
Typical Duration
2–6 weeks
Cost Range (San Francisco)
$22 – $109/sq ft
Frequently Asked Questions: Deck & Patio in San Francisco
How much does a deck cost to build?
Deck construction costs $15–$75 per square foot. A 300 sq ft pressure-treated deck averages $10,000–$15,000, while composite decking costs $15,000–$25,000.
How long does it take to build a deck?
A standard deck takes 2 to 6 weeks. Simple ground-level decks can be completed in a week.
Do I need a permit for a deck?
Most municipalities require permits for decks above 30 inches from the ground or over 200 sq ft. Check local building codes.
Wood vs composite decking — which is better?
Composite costs more upfront but requires less maintenance and lasts 25-30 years vs 10-15 years for pressure-treated wood.
How should I budget for a deck project?
Get at least 3 contractor bids and add a 10% contingency. Use BuildLedger to compare bids side-by-side and track all costs throughout the project.
Track Your Deck & Patio Budget
BuildLedger helps you manage contractor invoices, track payments, and keep your remodel on budget — all in one place.