Install or Replace a Water Main Cost in Naperville, IL in 2026
Most Install or Replace a Water Main projects in Naperville, IL cost between $900 and $18,000. The typical price is $4,300.
Labour and materials in Naperville run about 14% 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 Naperville, IL
Businesses listed on Google near Naperville, IL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
LaCassa Plumbing
4.8(536 reviews)
50 S Main St Suit 200, Naperville, IL 60540
J. Blanton Plumbing, Sewer & Drain
4.7(530 reviews)
200 S Main St Ste 3, Naperville, IL 60540
Wiz Plumbing Inc.
4.9(388 reviews)
10S185 Schoger Dr, Naperville, IL 60564
Bee Quick Plumbing & Sewer - Naperville
5.0(191 reviews)
1133 Elizabeth Ave, Naperville, IL 60540
Expert Plumbing Heating & Electrical
4.7(156 reviews)
424 Fort Hill Dr Ste 122, Naperville, IL 60540
Expert Plumbing Service
4.9(92 reviews)
568 S Washington St Ste B-02, Naperville, IL 60540