Cost to Composite Deck Building in San Diego, CA
$12,150–$29,700 in San Diego
35% above the national average · 1.35x cost multiplier
Expect to pay $12,150–$29,700 for a composite deck building in San Diego, about 35% above the national benchmark. The West Coast region's contractor market and material costs account for most of this difference. The detailed breakdown below shows how budget, mid-range, and premium projects compare at San Diego prices.
Cost Breakdown in San Diego
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per sq ft | $54 | $74 | $108 |
| Materials | $6,075 | $10,125 | $18,900 |
| Labor | $5,400 | $10,125 | $16,200 |
| Permits | $338 | $473 | $675 |
| Total | $12,150+35% vs. national avg | $21,600+35% vs. national avg | $37,800+35% vs. national avg |
Budget
Entry-level composite (Trex Enhance or Fiberon), ground-level, basic railing, simple rectangular layout, $30-$45/sq ft for 300 sq ft
Mid-Range
Mid-tier composite (Trex Select or TimberTech), standard height, upgraded railing system, $45-$65/sq ft for 300 sq ft
Premium
Premium composite (Trex Transcend or Azek), multi-level or elevated, aluminum railing, built-in lighting, $65-$100+/sq ft for 300 sq ft
Material Options
Material prices below are national averages; availability in San Diego may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| Trex Enhance | $5-$7/sq ft (material) | Budget-conscious builds where composite is preferred over woodMost affordable Trex line, good color selection, 25-year warranty |
| Trex Select | $7-$9/sq ft (material) | Most popular mid-range choice, good balance of price and performanceBetter fade and stain resistance, more natural wood grain, 25-year warranty |
| Trex Transcend | $10-$14/sq ft (material) | Premium builds where appearance is a priorityBest Trex aesthetics, deep wood grain, superior scratch resistance, 25-year warranty |
| TimberTech / Azek | $7-$12/sq ft (material) | Homeowners wanting maximum longevity and minimal maintenanceCapped polymer (Azek) is virtually maintenance-free, excellent color retention, 30-50 year warranties |
| Fiberon | $5.50-$9/sq ft (material) | Value-oriented builds, comparable quality to Trex at a lower priceCompetitive pricing, solid warranty, good color options |
Other Projects in San Diego
San Diego Estimate
Typical Range
$12,150–$29,700
vs. National Average
35% above national
Cost Multiplier
1.35x
Cost Per sq ft
$54–$108
Estimates apply San Diego's 1.35x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.
See national average costs →