Install or Replace a Sewer Main Cost in Williston, ND in 2026
Most Install or Replace a Sewer Main projects in Williston, ND cost between $1,100 and $22,000. The typical price is $5,500.
Sewer main replacement involves excavation, permits and often street restoration.
Williston prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- Accessible fixture swap versus opening walls or slab
- Pipe material — copper, PEX or cast iron replacement
- Emergency versus scheduled work
- Permit and inspection requirements
Usually included
- Licensed plumber labour
- Pipe, fittings and standard fixtures
Usually extra
- Drywall and finish repair
- Fixtures you supply
- Municipal tap or sewer connection fees
Plumbers in Williston, ND
Businesses listed on Google near Williston, ND. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Mon-Dak heating & plumbing
4.4(37 reviews)
620 E Broadway, Williston, ND 58801
Braaten Plumbing Inc
4.0(45 reviews)
2203 2nd Ave W, Williston, ND 58801
Selid Plumbing & Heating Inc
4.1(17 reviews)
2219 2nd Ave W, Williston, ND 58801
Droptyne Plumbing & Drain Cleaning Services
No rating yet
303 4th Ave E, Williston, ND 58801
Seidel Leroy
5.0(1 reviews)
5522 137th Ave NW, Williston, ND 58801