Flat Roof Replacement cost: Houston vs San Antonio (2026)
In 2026, flat roof replacement is about 1% more expensive in Houston than in San Antonio. Most homeowners pay around $10,050 in Houston versus $9,950 in San Antonio — a gap of roughly $100.
Houston TX
Typically around $10,050
San Antonio TX
Lower costTypically around $9,950
Houston vs San Antonio: full breakdown
| Factor | Houston | San Antonio |
|---|---|---|
| Typical 2026 cost | $10,050 | $9,950 |
| Estimated range | $5,150–$14,950 | $5,100–$14,800 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | $275 | $275 |
| Labor share | $6,050 | $5,950 |
| Materials/equipment | $4,000 | $4,000 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
Houston vs San Antonio
Is flat roof replacement cheaper in Houston or San Antonio?
In 2026, flat roof replacement is cheaper in San Antonio at about $9,950, versus $10,050 in Houston — a difference of about $100 (1%).
Why does flat roof replacement cost more in Houston than San Antonio?
The main driver is local labor rates: Houston's labor index is 0.96 versus 0.95 in San Antonio. Climate zone (hot vs hot) also shift the total.
How much is flat roof replacement in Houston, TX?
In Houston, flat roof replacement typically runs $5,150–$14,950 in 2026, with most homeowners paying around $10,050.
Updated June 2026 · By Costadia Editorial