Install or Replace a Water Main Cost in Cornelius, OR in 2026
Most Install or Replace a Water Main projects in Cornelius, OR cost between $850 and $17,000. The typical price is $4,100.
Labour and materials in Cornelius run about 7% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
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 Cornelius, OR
Businesses listed on Google near Cornelius, OR. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Cornel's Plumbing, Heating & Air Conditioning
4.9(2,987 reviews)
14271 NW Science Park Dr, Portland, OR 97229
Best Owner Direct HVAC & Electrical
4.9(461 reviews)
1205 N Adair St, Cornelius, OR 97113
West Side Drain and Septic
5.0(177 reviews)
1459 E Baseline St, Cornelius, OR 97113
Kamakoa Plumbing Solutions
5.0(155 reviews)
2180 NE Clarendon St, Hillsboro, OR 97124
Williams & Sons Heating & Air Conditioning
4.9(100 reviews)
1603 N Adair St, Cornelius, OR 97113
HPS Pipe and Supply, Inc.
4.3(84 reviews)
598 W Baseline St, Cornelius, OR 97113