Flat Roof Replacement cost: Birmingham vs Montgomery (2026)
In 2026, flat roof replacement is about 1% more expensive in Birmingham than in Montgomery. Most homeowners pay around $9,900 in Birmingham versus $9,850 in Montgomery — a gap of roughly $50.
Birmingham AL
Typically around $9,900
Montgomery AL
Lower costTypically around $9,850
Birmingham vs Montgomery: full breakdown
| Factor | Birmingham | Montgomery |
|---|---|---|
| Typical 2026 cost | $9,900 | $9,850 |
| Estimated range | $5,050–$14,700 | $5,050–$14,650 |
| Labor index (vs US) | ×0.95 | ×0.94 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | $250 | $250 |
| Labor share | $5,950 | $5,900 |
| Materials/equipment | $3,950 | $3,950 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
Birmingham vs Montgomery
Is flat roof replacement cheaper in Birmingham or Montgomery?
In 2026, flat roof replacement is cheaper in Montgomery at about $9,850, versus $9,900 in Birmingham — a difference of about $50 (1%).
Why does flat roof replacement cost more in Birmingham than Montgomery?
The main driver is local labor rates: Birmingham's labor index is 0.95 versus 0.94 in Montgomery. Climate zone (hot vs hot) also shift the total.
How much is flat roof replacement in Birmingham, AL?
In Birmingham, flat roof replacement typically runs $5,050–$14,700 in 2026, with most homeowners paying around $9,900.
Updated June 2026 · By Costadia Editorial