Concrete Slab costs $5.48 to $10.95 per sq ft in San Antonio in 2026. For a 400 sq ft project, expect $2,191 – $4,381 installed, typically near $3,286. That is essentially in line with the Texas average.
San Antonio concrete slab calculator
Planning estimate. Wage index applies to the labor share only; materials held at national prices. Get three written quotes.
How San Antonio compares with the rest of Texas
Construction wages in San Antonio average $25.94 per hour against $26.54 statewide, so pricing tracks the Texas norm closely.
Labor is about 50% of the installed cost on this type of work, and it is the part that actually moves between markets. Materials are priced by national manufacturers and barely shift, which is why the gap between metros is narrower than wage differences alone suggest.
Concrete Slab cost by project size in San Antonio
| Project size | San Antonio range | Typical |
|---|---|---|
| 100 sq ft | $548 – $1,095 | $822 |
| 200 sq ft | $1,095 – $2,191 | $1,643 |
| 300 sq ft | $1,643 – $3,286 | $2,465 |
| 400 sq ft | $2,191 – $4,381 | $3,286 |
| 600 sq ft | $3,286 – $6,572 | $4,929 |
| 800 sq ft | $4,381 – $8,763 | $6,572 |
| 1,000 sq ft | $5,477 – $10,953 | $8,215 |
| 1,500 sq ft | $8,215 – $16,430 | $12,323 |
Where the money goes
For a 400 sq ft project in San Antonio at roughly $3,286, a typical bill splits like this:
| Line item | Share | Cost |
|---|---|---|
| Labor | 50% | $1,643 |
| Materials | 36% | $1,183 |
| Site prep & equipment | 8% | $263 |
| Overhead, disposal & finishing | 6% | $197 |
San Antonio compared with other Texas markets
| Area | Cost per sq ft | vs San Antonio |
|---|---|---|
| Houston | $5.62 – $11.24 | +3% |
| Dallas | $5.58 – $11.16 | +2% |
| Austin | $5.63 – $11.26 | +3% |
| Midland | $5.68 – $11.36 | +4% |
| Texas average | $5.54 – $11.07 | +1% |
Ground conditions and code in San Antonio
Permits in San Antonio
A residential permit for this work typically runs around $450 in Texas. Permit cost is rarely included in a contractor quote, so budget it separately and confirm scope with the San Antonio building department before work begins.
Hiring in San Antonio
Get three written, itemised quotes from licensed and insured contractors, each specifying the same scope and grade of material. Ask for local references and check the licence is current in Texas.
Frequently asked questions
How much does concrete slab cost in San Antonio?
In 2026, concrete slab costs $5.48 to $10.95 per sq ft in San Antonio. For a 400 sq ft project, the installed total typically lands between $2,191 and $4,381.
Is San Antonio more expensive than the rest of Texas?
Not meaningfully. San Antonio prices track the Texas average closely.
Do I need a permit in San Antonio?
Most work of this type and value requires a permit. Budget around $450 in Texas and allow extra time for review in metro jurisdictions.
How do I compare quotes in San Antonio?
Get three written, itemised quotes covering identical scope and materials. A bid far below the others usually signals a reduced specification rather than better value.
Nearby markets
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