City comparison
Sewer Line Replacement cost: Billings vs Great Falls (2026)
Sewer line replacement costs about the same in Billings and Great Falls in 2026 — roughly $7,700 in each.
Billings MT
$3,200 – $12,200
Typically around $7,700
Great Falls MT
$3,200 – $12,150
Typically around $7,700
Side by side
Billings vs Great Falls: full breakdown
| Factor | Billings | Great Falls |
|---|---|---|
| Typical 2026 cost | $7,700 | $7,700 |
| Estimated range | $3,200–$12,200 | $3,200–$12,150 |
| Labor index (vs US) | ×0.95 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.05 | ×1.05 |
| Local permit | $225 | $225 |
| Labor share | $4,600 | $4,600 |
| Materials/equipment | $3,100 | $3,100 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national sewer line replacement range for local labor, climate and permits.
FAQ
Billings vs Great Falls
Is sewer line replacement cheaper in Billings or Great Falls?
In 2026, sewer line replacement costs about the same in both — roughly $7,700 in each city.
Why does sewer line replacement cost more in Great Falls than Billings?
The main driver is local labor rates: Great Falls's labor index is 0.95 versus 0.95 in Billings. 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