Composite Deck costs $42.74 to $90.83 per sq ft in San Diego in 2026. For a 400 sq ft project, expect $17,097 – $36,331 installed, typically near $26,714. That is essentially in line with the California average.
San Diego composite deck calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
How San Diego compares with the rest of California
Construction wages in San Diego average $36.54 per hour against $37.64 statewide, so pricing tracks the California norm closely.
Labor is about 42% of the installed cost on this type of work, and it is the part that actually moves between markets. Materials are priced by national manufacturers and barely shift, which is why the gap between metros is narrower than wage differences alone suggest.
Composite Deck cost by project size in San Diego
| Project size | San Diego range | Typical |
|---|---|---|
| 100 sq ft | $4,274 – $9,083 | $6,679 |
| 200 sq ft | $8,549 – $18,166 | $13,357 |
| 300 sq ft | $12,823 – $27,248 | $20,036 |
| 400 sq ft | $17,097 – $36,331 | $26,714 |
| 600 sq ft | $25,646 – $54,497 | $40,071 |
| 800 sq ft | $34,194 – $72,663 | $53,428 |
| 1,000 sq ft | $42,743 – $90,828 | $66,786 |
| 1,500 sq ft | $64,114 – $136,242 | $100,178 |
Where the money goes
For a 400 sq ft project in San Diego at roughly $26,714, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 42% | $11,220 |
| Materials | 44% | $11,754 |
| Site prep & equipment | 8% | $2,137 |
| Overhead, disposal & finishing | 6% | $1,603 |
San Diego compared with other California markets
| Area | Cost per sq ft | vs San Diego |
|---|---|---|
| Los Angeles | $43.02 – $91.43 | +1% |
| San Francisco | $46.55 – $98.91 | +9% |
| Riverside | $41.74 – $88.69 | −2% |
| Sacramento | $42.68 – $90.70 | 0% |
| California average | $43.33 – $92.07 | +1% |
Ground conditions and code in San Diego
Permits in San Diego
A residential permit for this work typically runs around $900 in California. Permit cost is rarely included in a contractor quote, so budget it separately and confirm scope with the San Diego building department before work begins.
Hiring in San Diego
Get three written, itemised quotes from licensed and insured contractors, each specifying the same scope and grade of material. Ask for local references and check the licence is current in California.
Frequently asked questions
How much does composite deck cost in San Diego?
In 2026, composite deck costs $42.74 to $90.83 per sq ft in San Diego. For a 400 sq ft project, the installed total typically lands between $17,097 and $36,331.
Is San Diego more expensive than the rest of California?
Not meaningfully. San Diego prices track the California average closely.
Do I need a permit in San Diego?
Most work of this type and value requires a permit. Budget around $900 in California and allow extra time for review in metro jurisdictions.
How do I compare quotes in San Diego?
Get three written, itemised quotes covering identical scope and materials. A bid far below the others usually signals a reduced specification rather than better value.
Nearby markets
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