Quick Answer

Deck Building Cost in San Francisco (2026)

Average cost in San Francisco

US$13,395avg

US$6,879 — US$23,980

US$25 — US$80 per sq ft

+4.5% YoY
8 sources
Updated today
Bay Area

Cost Breakdown

Itemized
Labor

Skilled carpentry and installation

US$3,100 — US$10,800

45%

Materials

Decking boards, framing, and hardware

US$3,100 — US$10,800

45%

Permits & Inspections

SF Building Dept fees and Title 24 compliance

US$116 — US$775

5%

Site Prep & Engineering

Seismic bracing and hillside structural plans

US$300 — US$1,200

5%

🧾Sales Tax (7.25%) — California
Base cost + $971 tax$14,366

Sales Tax at 7.25%

📋What's Included

Scope

Typically Includes

  • Pressure-treated lumber
  • Concrete footings
  • Railing system
  • Stairs (1 set)
  • Hardware & fasteners
  • Labor

Typically Excludes

  • Composite or hardwood decking
  • Built-in seating or planters
  • Pergola or roof
  • Lighting
  • Permits

Based on a standard 200 sq ft pressure-treated wood deck.

🧮Estimate Your Cost

Interactive

Estimated Cost

US$9,340

US$7,472 — US$11,208

Based on 8 sources and market data for San Francisco. Actual costs may vary depending on specific project requirements.

🏢Top Deck Build Contractors in San Francisco

Verified providers
🔨

We Do Construction

1528 Union St, San Francisco, CA 94123, USA

5.0
★★★★★

154 reviews

🔨

Pacific Construction, General Contractors San Francisco

5233 Mission St, San Francisco, CA 94112, USA

5.0
★★★★★

46 reviews

🔨

SBC CONSTRUCTION

64 Winfield St, San Francisco, CA 94110, USA

5.0
★★★★★

43 reviews

🔨

Sidex Siding & Decking

3175 Sunset Blvd, Rocklin, CA 95677, USA

5.0
★★★★★

29 reviews

🔨

A+ Deck Builder In San Francisco

1800 Alemany Blvd, San Francisco, CA 94112, USA

4.8
★★★★½

72 reviews

Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.

💬What People Actually Paid

Community

Common Questions

Due to 'Karl the Fog' and coastal salt air, composite materials ($25–$45/sq ft) are highly recommended as they resist rot and moisture better than traditional wood, which requires staining every 2-3 years at a cost of $550–$1,400.

Standard residential deck permits in San Francisco typically range from $116 to $775. However, complex projects or those on steep slopes may require engineered plans, adding $300 to $1,000 in design and plan check fees.

A quality deck in the San Francisco market delivers an average ROI of 83%, significantly higher than the national average, due to the high value placed on usable outdoor living space in dense urban areas.

Building on a slope—common in neighborhoods like Twin Peaks or Noe Valley—can increase labor and structural costs by 20-30% due to the need for deeper footings, seismic bracing, and specialized framing.

📊Our Methodology

How we collect data
1

Aggregated from 5+ verified web sources and cost databases

2

Licensed contractor estimates and regional cost guides

3

Government construction and labor statistics

4

Community-reported project costs and reviews

Last data collection: today. Updates run weekly. All costs in USD.