Westchester County · New York–Newark–Jersey City metro

Plumbing help in Yonkers, NY

Older PipesFrozen Pipes

Yonkers drinks New York City's upstate reservoir water and hosts the city's Hillview Reservoir. Its housing is old (nearly 80% predates 1980), so aging pipe, shared building stacks and winter freezes drive local plumbing.

Call (833) 878-1592Plumbing help in Yonkers and Westchester County

Water supply lines and fittings inside an open wall during renovation

Median home built: 1957
Built before 1980: 79%
Owner-occupied: 44%
Water hardness: See below
Winter: Regular hard freezes
Plumbing code: State code

Common repairs in Yonkers homes

Drain Cleaning
Shared stacks in older apartment buildings build up and clog.
Frozen Pipe Repair
Pipes in exterior walls freeze in cold snaps.
Repiping
Older homes have galvanized and aging copper lines.

What's behind the walls of Yonkers's older homes

The median home in Yonkers was built in 1957, and 79% of homes predate 1980. Homes from that era were typically built with copper or galvanized supply, cast iron drains, clay or cast iron sewer laterals.

Median home: 1957

1900195020002025

Galvanized steel supply (1900–1960)
Copper supply (1950–2000)
Polybutylene (some homes) (1978–1996)
PEX / CPVC (1995–today)

Typical supply-pipe materials by construction year. Many older homes have been partly repiped since.

Common projects in homes like these:Repiping Sewer camera inspection Water line repair Brown or rusty water

Emergency plumbing in Yonkers

Call (833) 878-1592

Shut off your main water supply if it's safe to do so. The emergencies below are listed most likely first for Yonkers homes, based on local conditions.

Frozen pipe risk in Yonkers

Regular hard freezes · 79% of Yonkers homes were built before 1980

Before winter:Winterizing checklist Outdoor faucets Find your shutoff

If a pipe freezes:Frozen pipe repair Burst pipe repair No water

Which plumbing rules apply in Yonkers

Plumbing in Yonkers follows the New York State Uniform Code, including the 2025 Plumbing Code of New York State. [2]

Licensing:Check a plumber's license in New York How to check a license

Where Yonkers's water comes from

Yonkers buys most of its water from the New York City supply, unfiltered surface water mainly from the Catskill and Delaware watersheds, and also buys some from Westchester County Water District No. 1. [1]

Heavy rain and storms

After storms:Sewer backup Basement flooding Sump pumps

Plumbing services for Yonkers homes

Or start from:Plumbing problems Emergencies

Yonkers plumbing questions

Where does Yonkers water come from?

Mostly the New York City water supply (Catskill and Delaware watersheds), plus some from Westchester County Water District No. 1.

Is Yonkers water soft?

Largely, because most of it comes from the same Catskill/Delaware supply as NYC, which is soft.

Which plumbing code applies in Yonkers?

The New York State Uniform Code, including the 2025 Plumbing Code of New York State. Unlike New York City, Yonkers doesn't have its own plumbing code.

How do I check a Yonkers plumber?

Ask which local license they hold; New York licenses plumbers locally outside NYC. Confirm with the City of Yonkers.

How do I prevent frozen pipes in Yonkers?

Insulate exterior-wall pipes, seal drafts and keep the heat on.

Sources (3)

U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
City of Yonkers Water Bureau, Water Quality Report · checked 2026-10-01
New York Department of State, 2025 Uniform Code · checked 2026-10-01