01Homes in Westchester and their plumbing
| Building type | Where you'll often find it | Typical plumbing concerns |
|---|---|---|
| Prewar apartment buildings | Yonkers, Mount Vernon, New Rochelle, White Plains | Risers, stacks, central hot water, roof tanks |
| Older single-family houses | Scarsdale, Larchmont, Bronxville, Pelham, Rye | Cast iron, galvanized supply, sewer laterals, renovations |
| Suburban houses | Harrison, Eastchester, Mamaroneck, Ossining, Mount Kisco | Water heaters, sump pumps, frozen pipes |
| Homes on wells & septic | Northern Westchester | Well pumps, septic systems |
02Common plumbing problems
- Riser and stack problems in older apartment buildings
- Sewer lateral repairs and roots under mature trees
- Water heater replacement
- Sump pumps and basement water near the Sound
- Frozen pipes in older houses
03Licensing & permits
- Who licenses plumbers
- Westchester County Board of Plumbing Examiners: one master plumber license covers every city, town and village
- Bond & insurance
- County rules require a license bond and liability insurance
- Permits
- City, town or village building department
- Contact
- Westchester Dept. of Consumer Protection, 148 Martine Ave, White Plains; 914-995-2657
04Water, sewer & gas
- Water
- Municipal water departments and private water companies, depending on the town
- Gas
- Con Edison in most of southern and central Westchester; NYSEG in parts of the north
- Sewer
- County and municipal sewer districts; septic in some northern areas
Providers vary by street and town. Your bill shows which one serves your address. Smell gas? Leave and call 911 or your gas utility from outside.
05Cities, towns & villages
- Yonkers →
- New Rochelle
- White Plains
- Mount Vernon
- Scarsdale
- Rye
- Mamaroneck
- Larchmont
- Tarrytown
- Ossining
- Peekskill
- Port Chester
- Harrison
- Dobbs Ferry
- Eastchester
- Mount Kisco
06Westchester plumbing FAQ
Does a Westchester plumber need a license?
Yes. Plumbing businesses must work under a master plumber licensed by the Westchester County Board of Plumbing Examiners. One license covers the whole county. See Westchester permits.
Is a NYC plumbing license valid in Westchester?
No, not by itself. Westchester requires its own county license.
07Nearby areas
Sources & review
Last reviewed . General information, not legal or engineering advice. Rules change and individual buildings differ.