Deck Building Cost in San Antonio (2026)
Average cost in San Antonio
US$4,200 — US$38,000
US$15 — US$65 per sq ft
Cost Breakdown
ItemizedLumber, composite boards, and hardware
55%
Framing, installation, and finishing
35%
City of San Antonio building permits
5%
Excavation and old deck removal
5%
Sales Tax at 6.25%
📋What's Included
ScopeTypically Includes
- Pressure-treated lumber
- Concrete footings
- Railing system
- Stairs (1 set)
- Hardware & fasteners
- Labor
Typically Excludes
- Composite or hardwood decking
- Built-in seating or planters
- Pergola or roof
- Lighting
- Permits
Based on a standard 200 sq ft pressure-treated wood deck.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$5,568 — US$8,352
Based on 9 sources and market data for San Antonio. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
US$16,106
Today
US$16,976
Deck Building in San Antonio is ↑ 5.4% compared to roughly a year ago — about US$870 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Deck Build Contractors in San Antonio
Verified providersCreative Concept Decks
6923 W Loop 1604 N #216, San Antonio, TX 78254, USA
76 reviews
New Home Decks
11300 Shaenfield Rd Unit 505, San Antonio, TX 78254, USA
109 reviews
River City Deck and Patio
18771 FM 2252, San Antonio, TX 78266, USA
220 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
Yes, if the deck is over 200 sq ft, more than 30 inches above grade, or attached to the house. The City of San Antonio charges a flat building permit fee of approximately $160 for new deck construction as of 2026.
San Antonio's expansive clay soils require deeper footings or specialized piers to prevent shifting. This can add $500 to $1,500 to the site preparation and labor costs compared to regions with stable soil.
In 2026, pressure-treated wood decks cost between $15 and $25 per sq ft installed, while mid-grade composite decks (like Trex) range from $35 to $55 per sq ft. Composite is highly recommended in San Antonio to withstand the intense Texas heat and UV exposure.
Due to high UV indices, composite or PVC decking is preferred over wood to avoid warping and frequent staining. If using wood, cedar or redwood is recommended for natural heat resistance, typically costing $30 to $45 per sq ft installed.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 2 weeks ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.