Sewer Line Replacement cost: Billings vs Missoula (2026)
In 2026, sewer line replacement is about 1% more expensive in Billings than in Missoula. Most homeowners pay around $7,700 in Billings versus $7,650 in Missoula — a gap of roughly $50.
Billings MT
Typically around $7,700
Missoula MT
Lower costTypically around $7,650
Billings vs Missoula: full breakdown
| Factor | Billings | Missoula |
|---|---|---|
| Typical 2026 cost | $7,700 | $7,650 |
| Estimated range | $3,200–$12,200 | $3,200–$12,050 |
| Labor index (vs US) | ×0.95 | ×0.94 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.05 | ×1.05 |
| Local permit | $225 | $225 |
| Labor share | $4,600 | $4,600 |
| Materials/equipment | $3,100 | $3,050 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national sewer line replacement range for local labor, climate and permits.
Billings vs Missoula
Is sewer line replacement cheaper in Billings or Missoula?
In 2026, sewer line replacement is cheaper in Missoula at about $7,650, versus $7,700 in Billings — a difference of about $50 (1%).
Why does sewer line replacement cost more in Billings than Missoula?
The main driver is local labor rates: Billings's labor index is 0.95 versus 0.94 in Missoula. Climate zone (cold vs cold) also shift the total.
How much is sewer line replacement in Billings, MT?
In Billings, sewer line replacement typically runs $3,200–$12,200 in 2026, with most homeowners paying around $7,700.
Updated June 2026 · By Costadia Editorial