Install or Replace a Water Main Cost in Williamston, SC in 2026
Most Install or Replace a Water Main projects in Williamston, SC cost between $725 and $14,500. The typical price is $3,500.
Labour and materials in Williamston run about 11% below 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 Williamston, SC
Businesses listed on Google near Williamston, SC. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Ace Plumbing, Electric, Heating & Air
4.9(700 reviews)
5320 SC-81, Williamston, SC 29697
1-Tom-Plumber
5.0(193 reviews)
3001 US-29, Belton, SC 29627
Jacob's Plumbing LLC
4.9(117 reviews)
524 Woodcock Rd, Pelzer, SC 29669
Waldrop Plumbing Air Electric
4.9(80 reviews)
4126 Clemson Blvd Ste 1-A, Anderson, SC 29621
Slade's Plumbing LLC
4.9(59 reviews)
131 Oaklawn Rd, Pelzer, SC 29669
Tharp Plumbing, LLC
4.8(19 reviews)
226 Cox Dr, Williamston, SC 29697