Deck Building Cost in San Antonio (2026)
Deck Building in San Antonio runs about 5% below the national average. A typical 320 sq ft project starts around $4,560–$7,600 for pressure-treated wood. Estimate your exact San Antonio project below.
Deck Building Cost Calculator
Adjust the details for an installed-cost range tailored to you.
Length × width of the deck surface. A 16×20 deck is 320 sq ft.
Ballpark estimate for planning — not a quote.
Get your exact price from local deck pros
This is a ballpark — compare up to 3 free, no-obligation quotes from vetted contractors in Texas.
Deck Building cost in San Antonio by material
Installed cost for a typical 320 sq ft project in San Antonio.
| Material | Per sq ft | Typical San Antonio project |
|---|---|---|
| Pressure-treated wood | $14.3–$23.8 | $4,560 – $7,600 |
| Cedar / redwood | $23.8–$38.0 | $7,600 – $12,160 |
| Composite (Trex-style) | $28.5–$57.0 | $9,120 – $18,240 |
What affects your San Antonio cost
- Decking material and railing style
- Height off the ground and stairs
- Footings, framing and permits
- Built-ins (benches, pergola, lighting)
- Local labor rates
San Antonio deck building — FAQ
How much does deck building cost in San Antonio?
In San Antonio, a typical 320 sq ft deck building project runs about $4,560–$7,600 for pressure-treated wood, installed. That's about 5% below the national average — metro labor and permit costs in San Antonio tend to run higher than the Texas state average. Use the calculator above for your exact size and material.
How much does deck building cost per sq ft in San Antonio?
In San Antonio, installed deck runs about $14.3–$57.0 per sq ft depending on material (pressure-treated wood $14.3–$23.8, cedar / redwood $23.8–$38.0, composite (trex-style) $28.5–$57.0). That's about 5% below the national average.
How much does it cost to build a deck in 2026?
A typical 320 sq ft deck runs about $5,000–$8,000 in pressure-treated wood, or $10,000–$19,000 in composite, installed. Size, height, railings and material drive the price — use the calculator for a localized estimate.
Is composite decking worth it?
Composite costs roughly 1.5–2× wood up front but eliminates staining/sealing and lasts 25–30+ years, so total cost of ownership is often lower. It's the popular choice for homeowners who don't want annual maintenance.
Deck Building cost across Texas
San Antonio runs about 5% below the national average. See the full Texas breakdown and statewide averages.
← Deck Building cost in Texas