Cost to Subfloor Repair & Replacement in San Antonio, TX
$890–$4,450 in San Antonio
11% below the national average · 0.89x cost multiplier
Expect to pay $890–$4,450 for a subfloor repair & replacement in San Antonio, about 11% below the national benchmark. The Southeast region's contractor market and material costs account for most of this difference. The detailed breakdown below shows how budget, mid-range, and premium projects compare at San Antonio prices.
Cost Breakdown in San Antonio
| Line Item | Low | Mid | High |
|---|---|---|---|
| Cost per sq ft | $3 | $5 | $9 |
| Materials | $223 | $712 | $1,780 |
| Labor | $356 | $1,335 | $3,115 |
| Permits | $0 | $89 | $178 |
| Total | $579-11% vs. national avg | $2,136-11% vs. national avg | $5,073-11% vs. national avg |
Budget
Small patch repair (25-50 sq ft) of water-damaged plywood subfloor. Cut out damaged section, replace with matching plywood, secure to joists.
Mid-Range
Moderate area replacement (100-300 sq ft) of damaged subfloor with 3/4-inch CDX or tongue-and-groove plywood. Includes existing floor removal, joist inspection, and new subfloor installation.
Premium
Full room or multi-room subfloor replacement (300-600+ sq ft) including joist repair, mold remediation, new 3/4-inch AdvanTech or OSB subfloor, and glue-and-screw installation.
Material Options
Material prices below are national averages; availability in San Antonio may shift costs slightly.
| Material | Cost/Unit | Best For |
|---|---|---|
| CDX Plywood (3/4-inch) | $1.00-$1.50/sq ft | Standard subfloor replacement in dry areasIndustry standard, strong, widely available, accepts all flooring types |
| OSB (Oriented Strand Board, 23/32-inch) | $0.80-$1.25/sq ft | Budget replacements in areas with no moisture riskCheapest option, consistent strength, large panel sizes available |
| AdvanTech/Engineered Subfloor | $2.00-$3.00/sq ft | Bathrooms, kitchens, laundry rooms, and any area with moisture riskMoisture-resistant, won't swell, stiffer than plywood, 500-day weather exposure warranty |
| Tongue-and-Groove Plywood (3/4-inch) | $1.25-$2.00/sq ft | Open living areas where squeak prevention mattersInterlocking edges reduce squeaks, stronger joint, smoother surface |
Other Projects in San Antonio
San Antonio Estimate
Typical Range
$890–$4,450
vs. National Average
11% below national
Cost Multiplier
0.89x
Cost Per sq ft
$3–$9
Estimates apply San Antonio's 0.89x regional cost multiplier to national averages. Actual bids vary by contractor, project scope, and timing.
See national average costs →