Plumber in Wantagh, NYEmergency Plumbing, Sewer Backups, Backwater Valves & Water Heaters

From Jerusalem to the Gateway to Jones Beach.

Wikipedia says early settlers called this area Jerusalem, after the Jerusalem River, a creek that still runs north to south through Wantagh and is visible between the Wantagh Parkway and the houses west of Wantagh Avenue. Around the 1880s it was renamed Ridgewood, then Wantagh, the name of a 17th-century Merokee sachem. George Washington rode through in 1790, the hamlet holds 9 of Nassau County's 25 state historical markers, including the 1666 Jackson House site on Merrick Road, and the Wantagh Railroad Complex is on the National Register. Farms gave way to houses between the 1950s and 1970s, and the LIRR tracks were raised in 1968. Wikipedia lists Wantagh Park, Mill Pond, Twin Lakes Preserve and Jones Beach State Park among the parks in the hamlet, which covers 4.1 square miles, 0.3 of it water. Most children go to Wantagh schools; small eastern areas are in the Seaford district, and areas north of Jerusalem Avenue are in Levittown's.

The Census Bureau's latest five-year survey counts about 6,000 homes, with a median year built of 1957. 41% went up in the 1950s, 20% in the 1960s and 11% in the 1940s, and 12% are older than that; only 10% were built after 1980. 93% are single-family detached houses, and 95% are owner-occupied.

So a typical house here has drain and water lines about 65 to 75 years old, unless they've been replaced. Several slow drains at once, a gurgling floor drain, or rusty water from one tap are the signs to have the main line and supply piping checked.

About a quarter still heat with oil.

The ACS shows 65% of Wantagh homes heat with utility gas and 27% with fuel oil. Switching from oil to gas means new gas piping to the equipment, and often to the water heater, range and dryer. We do the gas line work. We don't sell or deliver oil.

On the county sewer.

Nassau County's health department lists Wantagh's sewers under the Nassau County Department of Public Works (516-571-6841), and the county's Cedar Creek Water Pollution Control Plant carries a Wantagh address on Merrick Road. A backup that stops at your house is usually in your own line to the street; we clear it. If neighbors are backed up too, call the county.

Flood risk south of Merrick Road.

Laying FEMA's current flood map over the Census boundary, about 21% of the Wantagh CDP is in the high-risk (1% annual chance) flood zone, 16% in zone AE and 5% in the wave-action zone VE. About 90% of that high-risk area lies south of Merrick Road, toward the bay, and none of it is north of Sunrise Highway. On a sewered street in a flood-prone area, a backwater (sewer check) valve on your house sewer line can keep a street-sewer backup from coming in through basement floor drains. We install them. If your water heater or gas appliances ever sat in salt water, have them checked before relighting.

Water: Liberty Utilities, Merrick system.

EPA's service-area map puts essentially all of Wantagh on Liberty Utilities New York's Merrick Operations District, and Liberty's 2026 report on 2025 water lists Wantagh and North Wantagh among the communities it serves, from 16 wells in the Magothy aquifer. Caustic soda raises the pH, a phosphate compound limits corrosion and holds iron in solution, and treatment includes iron filters at three wells, carbon filters at one and advanced oxidation for 1,4-dioxane at one: the report says the Seamans Neck Road plant has 1,4-dioxane above the state limit and that its oxidation plant, in service since 2024, removes it. Delivered water showed 1,4-dioxane no higher than 0.38 micrograms per liter against a 1.0 limit, and total hardness was just 1.6 to 19.3 mg/L, which is very soft. Across the whole Merrick district, Liberty's state inventory counts 28 lead and 524 galvanized service lines on the customer side. Soft, low-mineral water is why corrosion control matters for old copper and galvanized pipe. For a leak at the curb, call Liberty at 1-877-426-6999.

Permits and licensing: Town of Hempstead.

Wantagh is an unincorporated hamlet, so plumbing and gas permits go through the Town of Hempstead Building Department (One Washington Street, Hempstead), which also handles plumber licensing.