All Island Plumbing NYServing Nassau & western Suffolk, Long Island

Drain Cleaning · Bay Shore · ZIP 11706

Drain Cleaning in Bay Shore, NYOld Mains, Shared Stacks, Full Houses

All Island Plumbing NY clears kitchen, bath, laundry and main drains in Bay Shore (ZIP 11706), Town of Islip. Call (516) 360-9493. We answer calls 24/7 and are open Monday through Saturday (closed Sunday).

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  • Serving Nassau County and western Suffolk County, Long Island, NY
  • Licensed & insured across Long Island
  • Answering calls 24/7 · Open Mon–Sat, closed Sunday

Bay Shore's homes are more varied than most South Shore hamlets', and so are its drain problems. See also our Bay Shore page and drain cleaning.

Three kinds of housing

The Census Bureau's latest survey counts 54% of homes as single-family detached, 12% as townhouses and 30% in buildings of three or more units, plus 2% mobile homes. In a detached house, the drains are all yours, down to the sewer. In a townhouse or apartment, your fixtures drain into a stack or main shared with neighbors. A clog in your sink's line is yours; a backup that shows up in several units at once is in a shared line, and the building or association handles it.

Owner households are big

The survey puts the average owner household at 3.70 people, against 2.31 for renters. In a house with three or four people or more, a lot of water goes through one main drain every day. 15% of Bay Shore homes were built before 1940 and 19% in the 1950s, and in those houses the main is often original cast iron or clay. Grease and scale build up inside cast iron, and roots find the joints in clay.

On the sewer, mostly

Counting land only, about 95% of Bay Shore is inside the county's Southwest Sewer District, by our overlay of the county's sewer map, and its sewage goes to the Bergen Point plant. If you're on the sewer, a whole-house backup is usually in your own line between the house and the street. In the small areas outside the district, mostly at the north end, the line runs to a cesspool or septic system. We clear the house line either way; a full or failing cesspool is a job for a cesspool or septic contractor, and we don't do cesspool work.

Storms near the bay

By our overlay of FEMA's flood map, nearly all of Bay Shore's high-risk flood area is in the southern third of the hamlet. On those streets, a surge or a long nor'easter can fill the sewer and make every drain slow even when your line is clear. If drains recover once the water goes down, it was the sewer. A backwater (sewer check) valve on the house line is the protection against sewage coming in.

What we do

We clear from the fixture for a single slow drain and from the main cleanout for a whole-house backup, and we show you what came back on the cable. Repeated root clogs or a clog that returns within weeks point to a damaged pipe, which our Bay Shore sewer line page covers.

Questions

Drain cleaning in Bay Shore: FAQ

Several apartments in our building are backing up. Can you help?
A backup in several units is a shared line, so the building manager should call. We clear lines that serve individual units, and we can tell you whether the problem is yours or shared.
Our drains slow down only when the bay floods the street. Why?
The sewer is full during the surge. Once it drains, your drains should recover. If sewage comes up a floor drain, ask about a backwater valve.
We're north of Sunrise Highway. Are we on a cesspool?
Most of Bay Shore is sewered. A sewer district charge on your tax bill means you're connected. If not, your house drains to a cesspool or septic system.

Sources:U.S. Census Bureau, ACS 2024 5-year (B25024, B25034) and B25010 from the Census Bureau summary file; Suffolk County GIS Sewer Districts layer (SD 03, Active) overlaid on the Census 2020 Bay Shore CDP boundary, land only (Atlas, Nov. 5, 2026); Suffolk County DPW, Sewer District No. 3 Expansion Feasibility Study fact sheet (2012; Bergen Point); FEMA National Flood Hazard Layer overlaid on the same boundary (Atlas, Nov. 5, 2026).