Flat Roof Replacement cost: Houston vs Port Arthur (2026)
In 2026, flat roof replacement is about 2% more expensive in Houston than in Port Arthur. Most homeowners pay around $10,050 in Houston versus $9,900 in Port Arthur — a gap of roughly $150.
Houston TX
Typically around $10,050
Port Arthur TX
Lower costTypically around $9,900
Houston vs Port Arthur: full breakdown
| Factor | Houston | Port Arthur |
|---|---|---|
| Typical 2026 cost | $10,050 | $9,900 |
| Estimated range | $5,150–$14,950 | $5,050–$14,700 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | $275 | $250 |
| Labor share | $6,050 | $5,950 |
| Materials/equipment | $4,000 | $3,950 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
Houston vs Port Arthur
Is flat roof replacement cheaper in Houston or Port Arthur?
In 2026, flat roof replacement is cheaper in Port Arthur at about $9,900, versus $10,050 in Houston — a difference of about $150 (2%).
Why does flat roof replacement cost more in Houston than Port Arthur?
The main driver is local labor rates: Houston's labor index is 0.96 versus 0.95 in Port Arthur. Climate zone (hot vs hot) and permit fees 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