City comparison
Sewer Line Replacement cost: Boise City vs Caldwell (2026)
Sewer line replacement costs about the same in Boise City and Caldwell in 2026 — roughly $7,800 in each.
Boise City ID
$3,250 – $12,350
Typically around $7,800
Caldwell ID
$3,250 – $12,350
Typically around $7,800
Side by side
Boise City vs Caldwell: full breakdown
| Factor | Boise City | Caldwell |
|---|---|---|
| Typical 2026 cost | $7,800 | $7,800 |
| Estimated range | $3,250–$12,350 | $3,250–$12,350 |
| Labor index (vs US) | ×0.96 | ×0.96 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.05 | ×1.05 |
| Local permit | $225 | $225 |
| Labor share | $4,700 | $4,700 |
| Materials/equipment | $3,100 | $3,100 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national sewer line replacement range for local labor, climate and permits.
FAQ
Boise City vs Caldwell
Is sewer line replacement cheaper in Boise City or Caldwell?
In 2026, sewer line replacement costs about the same in both — roughly $7,800 in each city.
Why does sewer line 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 sewer line replacement in Boise City, ID?
In Boise City, sewer line replacement typically runs $3,250–$12,350 in 2026, with most homeowners paying around $7,800.
Updated June 2026 · By Costadia Editorial