Install or Replace a Water Main Cost in Central Islip, NY in 2026
Most Install or Replace a Water Main projects in Central Islip, NY cost between $950 and $19,000. The typical price is $4,600.
Labour and materials in Central Islip run about 24% 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 Central Islip, NY
Businesses listed on Google near Central Islip, NY. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Order a Plumber Inc.
4.9(1,046 reviews)
2871 Sunrise Hwy, Islip Terrace, NY 11752
Dashing Dan's Plumbing & Heating Inc.
4.9(924 reviews)
258 Higbie Ln, West Islip, NY 11795
Wilson's Plumbing Heating HVAC & Electric
5.0(284 reviews)
1062 Udall Rd, Bay Shore, NY 11706
Central Islip Plumbing Supply
4.7(43 reviews)
62 W Suffolk Ave, Central Islip, NY 11722
Your Town Cesspool Plumbing
4.1(32 reviews)
125 Carleton Ave #1, Central Islip, NY 11722
Elm Plumbing & Heating
4.1(14 reviews)
31 Oakdale Ave, Central Islip, NY 11722