How Much Does Flat Roof Installation Cost in San Antonio, TX?
Average flat roof installation costs in San Antonio range from $10,435 to $14,117. Get a free, customized estimate below.
Flat Roof Installation Cost Breakdown — San Antonio, TX
| Item | Unit | Qty | Unit Price | Total |
|---|---|---|---|---|
| EPDM / TPO Membrane | sq ft | 1200 | $4.95 | $5940.00 |
| Insulation Board | sq ft | 1200 | $2.52 | $3024.00 |
| Flashing & Edge Detail | linear ft | 80 | $10.80 | $864.00 |
| Labor (full install) | hr | 32 | $76.50 | $2448.00 |
| Estimated Total | $12,276.00 | |||
* Prices are estimates based on San Antonio market rates. Actual costs may vary based on project specifics.
Estimate
Ref ID: EST-2026-J3IY
Date Issued
May 6, 2026
Client
Project Details
Site Address
Start Date
End Date
Scope of Work
Materials
| Material Specification | Units | Amount | Ext. Total | |
|---|---|---|---|---|
$ | $5,940 | |||
$ | $3,024 | |||
$ | $864 | |||
$ | $2,448 |
Labor
| Service Specification | Type | Hrs | Rate | Ext. Total | |
|---|---|---|---|---|---|
Craftsmanship Guarantee | $ | $600 |
Contractual Agreements & Conditions
Total
$12,876
Draft
Frequently Asked Questions — Flat Roof Installation in San Antonio
How much does flat roof installation cost in San Antonio, TX?
The average cost for flat roof installation in San Antonio, TX ranges from $10,435 to $14,117, depending on project scope, materials, and labor rates. San Antonio costs are close to the national average.
How do I get a free flat roof installation estimate in San Antonio?
Use Brixor's free online estimate generator above. Enter your project details, customize line items for your specific needs, and download a professional PDF estimate instantly. No signup or credit card required.
What factors affect flat roof installation costs in San Antonio?
Key factors include project size and complexity, material quality, labor rates in San Antonio (TX), permit requirements, accessibility of the work area, and seasonal demand. Getting multiple estimates is recommended.