Cost to Composite Deck Building in Austin, TX
$9,450–$23,100 in Austin
5% above the national average · 1.05x cost multiplier
Homeowners in Austin typically spend $9,450–$23,100 on a composite deck building, about 5% above the national average. Labor rates and contractor availability in the Southeast region drive much of the price difference. Permit requirements and material delivery costs also play a role. See the full tier-by-tier breakdown below before requesting bids.
Cost Breakdown in Austin
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per sq ft | $42 | $58 | $84 |
| Materials | $4,725 | $7,875 | $14,700 |
| Labor | $4,200 | $7,875 | $12,600 |
| Permits | $263 | $368 | $525 |
| Total | $9,450+5% vs. national avg | $16,800+5% vs. national avg | $29,400+5% 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 Austin 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 Austin
Austin Estimate
Typical Range
$9,450–$23,100
vs. National Average
5% above national
Cost Multiplier
1.05x
Cost Per sq ft
$42–$84
Estimates apply Austin's 1.05x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.
See national average costs →