Quick Answer

Deck Building Cost in San Antonio (2026)

Average cost in San Antonio

US$13,419avg

US$3,500 — US$38,500

US$15 — US$55 per sq ft

+6.5% YoY
9 sources
Updated 4 days ago
Texas

Cost Breakdown

Itemized
Materials

Decking boards, joists, beams, and fasteners

US$1,925 — US$21,175

55%

Labor

Framing, installation, and site preparation

US$1,225 — US$13,475

35%

Permits & Fees

City of San Antonio DSD flat fees and HOA apps

US$160 — US$1,500

6%

Professional Services

Structural engineering and design plans

US$190 — US$2,350

4%

🧾Sales Tax (6.25%) — Texas
Base cost + $839 tax$14,258

Sales Tax at 6.25%

📋What's Included

Scope

Typically 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

Interactive

Estimated Cost

US$6,960

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$12,600

Today

US$13,419

Deck Building in San Antonio is 6.5% compared to roughly a year ago — about US$819 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 providers
🔨

Creative Concept Decks

6923 W Loop 1604 N #216, San Antonio, TX 78254, USA

5.0
★★★★★

73 reviews

🔨

New Home Decks

11300 Shaenfield Rd Unit 505, San Antonio, TX 78254, USA

4.9
★★★★½

109 reviews

🔨

South Texas Contractors & Roofing

323 Oak Gln, San Antonio, TX 78209, USA

4.9
★★★★½

96 reviews

🔨

Texas Deck Pros

2550 Boardwalk St, San Antonio, TX 78217, USA

4.8
★★★★½

303 reviews

🔨

Diamond Decks

20935 U.S. Hwy 281 N Suite 170, San Antonio, TX 78258, USA

4.5
★★★★½

268 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

The City of San Antonio Development Services Department (DSD) typically charges a flat building permit fee of approximately $160 for residential decks and patios as of the FY2026 fee schedule.

In 2026, entry-level pressure-treated pine costs between $15 and $25 per sq ft, while premium composite materials like Trex or TimberTech range from $35 to $55 per sq ft installed.

Yes, the region's expansive clay soil often requires deeper concrete footings or helical piers to prevent shifting, which can add $500 to $1,500 to the foundation phase of the project.

A permit is required if the deck is attached to the house, exceeds 200 square feet in area, or is more than 30 inches above the adjacent grade.

📊Our Methodology

How we collect data
1

Aggregated from 5+ verified web sources and cost databases

2

Licensed contractor estimates and regional cost guides

3

Government construction and labor statistics

4

Community-reported project costs and reviews

Last data collection: 4 days 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.