Cost to Composite Deck Building in San Antonio, TX
$8,010–$19,580 in San Antonio
11% below the national average · 0.89x cost multiplier
Expect to pay $8,010–$19,580 for a composite deck building in San Antonio, about 11% below the national benchmark. The Southeast 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 Antonio prices.
Cost Breakdown in San Antonio
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per sq ft | $36 | $49 | $71 |
| Materials | $4,005 | $6,675 | $12,460 |
| Labor | $3,560 | $6,675 | $10,680 |
| Permits | $223 | $312 | $445 |
| Total | $8,010-11% vs. national avg | $14,240-11% vs. national avg | $24,920-11% 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 Antonio 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 Antonio
San Antonio Estimate
Typical Range
$8,010–$19,580
vs. National Average
11% below national
Cost Multiplier
0.89x
Cost Per sq ft
$36–$71
Estimates apply San Antonio's 0.89x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.
See national average costs →