How much does a new deck cost in South San Francisco, CA?
Regionally adjustedUpdated Prices checked October 20262 sources
In South San Francisco, a new deck typically runs $4,370 to $12,750, about $8,390 for a typical job. That is the US national range from HomeAdvisor ($4,338 to $12,653) adjusted by the Pacific factor of 1.01 from the 2025 Cost vs. Value Report. Checked October 2026.
Adjusted for the Pacific region
- Low
- $4,370
- Typical
- $8,390
- High
- $12,750
Deck building cost in South San Francisco, CA
Each row says exactly what the figures are and where they come from.
| Estimate | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Pacific estimate | $4,370 | $8,390 | $12,750 | National range × 1.01: the Pacific / national cost ratio for “Deck Addition | Wood” ($18,405 vs $18,263) in the 2025 Cost vs. Value Report | October 2026 |
| US national range | $4,338 | $8,321 | $12,653 | Per deck: typical range of customer-reported projects (HomeAdvisor) | October 2026 |
Deck building cost by type or size
US national figures in USD, as published by each source.
| Type or size | Price (USD) | Source |
|---|---|---|
| 10 × 10 ft (100 sq ft) | $4,000 to $6,000 | HomeAdvisor |
| 20 × 20 ft (400 sq ft) | $16,000 to $24,000 | HomeAdvisor |
What drives the cost of a new deck
Size and height
Second-story and multi-level decks need more structure.
Decking material
Pressure-treated wood runs $2 to $5 per sq ft; composite $12 to $22.
Labor
Labor runs $15 to $35 per sq ft.
Railings and stairs
Railings cost $35 to $210 per linear foot.
Old deck removal
Demolition runs $5 to $15 per sq ft.
Season
Off-season work can be up to 20% cheaper.
Permits and what's included in South San Francisco
Permit note
Most places require a deck permit, typically $230 to $500 depending on location, size and height.
Rules are set locally; confirm with South San Francisco’s building department.
What’s usually included
- Footings and framing
- Decking boards
- Railings and stairs in the agreed design
- Installation labor
Scopes vary. Get the scope in writing on every quote.
Get deck building quotes in South San Francisco
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Top-ranked deck builders in South San Francisco
The top 3 of 112 deck builders we rank for South San Francisco, CA, by CR Score. Paid placement never changes rank.
- #1A+ Deck Builder In San FranciscoCR Score 614.8from 73 Google reviews
- #2MS Construction & ServicesCR Score 585.0from 52 Google reviews
- #3Ace Handyman Services HassettCR Score 584.9from 467 Google reviews
Deck building cost in South San Francisco: questions
How much does a new deck cost in South San Francisco, CA?
Why is the South San Francisco price different from the national price?
Do I need a permit for a new deck in South San Francisco?
What affects the cost of a new deck?
How many deck builders serve South San Francisco?
What is usually included in the price?
Sources
Checked October 2026. Figures are estimates, not quotes.
- HomeAdvisor: Deck building cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; prices by size; drivers; permit.
- Journal of Light Construction: 2025 Cost vs. Value Report: Deck Addition, Wood · page updated 2025 · checked October 2026Used for: Regional adjustment ratio.
- Journal of Light Construction: 2025 Cost vs. Value Report, Pacific division · checked October 2026Used for: Regional factor 1.01 for “Deck Addition | Wood”.
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