Sewer Line Replacement cost: Boise City vs Idaho Falls (2026)
In 2026, sewer line replacement is about 1% more expensive in Boise City than in Idaho Falls. Most homeowners pay around $7,800 in Boise City versus $7,700 in Idaho Falls — a gap of roughly $100.
Boise City ID
Typically around $7,800
Idaho Falls ID
Lower costTypically around $7,700
Boise City vs Idaho Falls: full breakdown
| Factor | Boise City | Idaho Falls |
|---|---|---|
| Typical 2026 cost | $7,800 | $7,700 |
| Estimated range | $3,250–$12,350 | $3,200–$12,150 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.05 | ×1.05 |
| Local permit | $225 | $225 |
| Labor share | $4,700 | $4,600 |
| 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.
Boise City vs Idaho Falls
Is sewer line replacement cheaper in Boise City or Idaho Falls?
In 2026, sewer line replacement is cheaper in Idaho Falls at about $7,700, versus $7,800 in Boise City — a difference of about $100 (1%).
Why does sewer line replacement cost more in Boise City than Idaho Falls?
The main driver is local labor rates: Boise City's labor index is 0.96 versus 0.95 in Idaho Falls. 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