Cost to Build a Deck in San Diego, CA (2026)
In San Diego a 12×16 ft deck costs about $5,060 in pressure-treated pine and $10,763 in composite, installed — 19% above the US average. Below: local prices by size, footing depth, permits and a calculator priced for San Diego.
Pressure-treated pine
$24–$31 /sq ft
Cedar
$33–$43 /sq ft
Composite
$50–$65 /sq ft
Deck cost calculator for San Diego
Priced with San Diego labour, material and footing-depth factors. Change any input and the estimate updates.
Estimated installed cost
$9,471 – $12,377
192 sq ft · about $56.06/sq ft
- Materials
- $6,744
- Labour
- $4,018
- Footings (12 in deep)
- 3 × about $128
- Frost-depth adjustment
- −$115
Mid-range estimate for a rectangular deck attached to the house, with one beam line per 12 ft of depth and footings every 8 ft. Excludes demolition, permits and site work. For railing, stairs and a full line-item breakdown use the main deck cost calculator.
San Diego deck cost by size and material
Mid-range installed prices for a standard-height deck attached to the house, with footings at 12 inches. Add railing and stairs in the deck cost calculator.
| Deck size | Pressure-treated pine | Cedar | Composite |
|---|---|---|---|
| 10 × 10 ft (100 sq ft) | $2,580 | $3,626 | $5,550 |
| 12 × 12 ft (144 sq ft) | $3,766 | $5,272 | $8,043 |
| 12 × 16 ft (192 sq ft) | $5,060 | $7,068 | $10,763 |
| 16 × 20 ft (320 sq ft) | $8,318 | $11,664 | $17,823 |
| 20 × 20 ft (400 sq ft) | $10,475 | $14,657 | $22,355 |
What makes a deck in San Diego cost what it does
Mild weather but salt air near the coast and fire risk in the canyons.
Labour here runs 5% above the California average, so a pressure-treated 12×16 that averages $4,969 across California comes to about $5,060 in San Diego. Mostly mild, but wildfire risk shapes material choice across much of the state, and coastal fog keeps wood damp. Frost only matters in the Sierra and far north.
Footings
Footings in San Diego go about 12 inches deep, which costs roughly $128 per 12 inch footing installed. A 12×16 deck needs about 3. Size them with the deck footing calculator.
Deck permits in San Diego
Permits are issued by the City of San Diego Development Services. Coastal-zone properties may need a coastal development review, and fire-zone lots need ignition-resistant decking. Typical fees run $300–$1,000. For the state rules that sit behind the local ones, see deck cost in California.
Choosing decking in San Diego
Composite adds about $5,703 to a 12×16 deck here over pressure-treated. Fire-rated composite or PVC is often the only practical choice in WUI zones, and redwood and cedar lose their price edge once code-compliant options are compared. Run the numbers for your deck in the composite vs wood calculator.
Best time to build
Year-round on the coast; April to October in the mountains.
Other California cities
- Los Angeles — 12×16 composite about $10,896
- San Jose — 12×16 composite about $11,618
- Sacramento — 12×16 composite about $10,314
Frequently asked questions
How much does a deck cost in San Diego?
A 12×16 ft deck in San Diego costs about $5,060 in pressure-treated pine, $7,068 in cedar and $10,763 in composite, installed. That is $24–$31 per square foot for pressure-treated and $50–$65 for composite.
Is building a deck in San Diego more expensive than elsewhere in California?
A typical deck in San Diego runs right in line with the California average and 19% above the US average, mainly because of local labour rates. Mild weather but salt air near the coast and fire risk in the canyons.
Do I need a permit for a deck in San Diego?
Permits are issued by the City of San Diego Development Services. Coastal-zone properties may need a coastal development review, and fire-zone lots need ignition-resistant decking. Budget roughly $300–$1,000 for the permit, more if drawings by a design professional are required.
How deep do deck footings have to be in San Diego?
About 12 inches. Each 12 inch footing at that depth costs roughly $128 installed, and a 12×16 deck needs about 3. Always confirm the required depth with the City of San Diego Development Services before digging — the footing inspection happens before any concrete goes in.
Should I choose composite or wood for a deck in San Diego?
Composite adds about $5,703 to a 12×16 deck in San Diego but removes staining every two to three years. Fire-rated composite or PVC is often the only practical choice in WUI zones, and redwood and cedar lose their price edge once code-compliant options are compared.
Price the rest of the project
Figures are planning estimates built from national installed prices adjusted for California and San Diego labour, materials and footing depth. Get two or three itemised local quotes. Method.