City comparison
Flat Roof Replacement cost: Boise City vs Caldwell (2026)
Flat roof replacement costs about the same in Boise City and Caldwell in 2026 — roughly $10,200 in each.
Boise City ID
$5,250 – $15,150
Typically around $10,200
Caldwell ID
$5,250 – $15,150
Typically around $10,200
Side by side
Boise City vs Caldwell: full breakdown
| Factor | Boise City | Caldwell |
|---|---|---|
| Typical 2026 cost | $10,200 | $10,200 |
| Estimated range | $5,250–$15,150 | $5,250–$15,150 |
| Labor index (vs US) | ×0.96 | ×0.96 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.03 | ×1.03 |
| Local permit | $275 | $275 |
| Labor share | $6,100 | $6,100 |
| Materials/equipment | $4,100 | $4,100 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national flat roof replacement range for local labor, climate and permits.
FAQ
Boise City vs Caldwell
Is flat roof replacement cheaper in Boise City or Caldwell?
In 2026, flat roof replacement costs about the same in both — roughly $10,200 in each city.
Why does flat roof replacement cost more in Caldwell than Boise City?
The main driver is local labor rates: Caldwell's labor index is 0.96 versus 0.96 in Boise City. Climate zone (cold vs cold) also shift the total.
How much is flat roof replacement in Boise City, ID?
In Boise City, flat roof replacement typically runs $5,250–$15,150 in 2026, with most homeowners paying around $10,200.
Updated June 2026 · By Costadia Editorial