Install or Replace a Water Main Cost in Waltham, MA in 2026
Most Install or Replace a Water Main projects in Waltham, MA cost between $925 and $18,500. The typical price is $4,500.
Labour and materials in Waltham run about 20% 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 Waltham, MA
Businesses listed on Google near Waltham, MA. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Akian Plumbing, Heating, Cooling & Electric
4.8(1,918 reviews)
586 Pleasant St #4, Watertown, MA 02472
S.D.H. Plumbing & Heating
4.9(459 reviews)
237 Riverview Ave, Auburndale, MA 02466
Local Plumbing & Heating
5.0(52 reviews)
27 Appleton St, Arlington, MA 02476
J.W. Langton Plumbing & Heating L.L.C
4.9(53 reviews)
611 Trapelo Rd, Waltham, MA 02452
Brody Plumbing Solutions
5.0(32 reviews)
1121 Washington St Ste 712, West Newton, MA 02465
Clark Plumbing & Heating Solutions
4.4(25 reviews)
8 Rosemont Ave, Waltham, MA 02451