Sewer Line Repair & Hookups · Brentwood · ZIP 11717

Sewer Line Repair & Hookups in Brentwood, NYGetting Ready for CP 8112

All Island Plumbing, Heating & Cooling repairs house drain and sewer lines and connects buildings to the public sewer in Brentwood (ZIP 11717), Town of Islip. Call (631) 644-2084. We answer calls 24/7 and are open Monday through Saturday (closed Sunday).

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Local office · Merrick Rd, Massapequa
Nassau County & western Suffolk
Licensed & insured across Long Island
Answering calls 24/7 · Open Mon–Sat, closed Sunday

Brentwood is the biggest hamlet on Long Island, and almost none of it is on a public sewer yet. That's starting to change downtown. This page covers what that means for the line from your building, whether it runs to a cesspool today or to a new sewer tomorrow. See also our Brentwood page and sewer line repair and hookups across Long Island.

Where sewers are coming

Suffolk County's 2023 resolution funding Brentwood sewer design says the area "could benefit from the availability of sanitary sewer service." The county project, CP 8112, targets the commercial area around the Brentwood LIRR station, Suffolk Avenue, Brentwood Road and Fifth Avenue. The county's implementation plan projects completion in February 2029. Today, laying the county's sewer-district map over the Census boundary shows essentially none of the Brentwood CDP inside an active county sewer district. So most Brentwood houses will stay on cesspools or septic systems after the downtown project is done.

What a hookup involves

When a sewer reaches your street, the building's drains get re-routed to a new house sewer that runs to the public sewer. We do that connection: the new line from the building, the connection at the street, and any changes to the drains inside. The old cesspool has to be taken out of service as well; that's separate work by a cesspool contractor, because we don't do cesspool work.

The line you have now

Until then, the line that matters is the one from the house to the cesspool or septic tank. The Census Bureau's 2015–2019 survey found a median year built of 1964 for Brentwood homes, with 24% built in the 1950s and 34% in the 1960s. Drain lines that old can crack, sag or let roots in. A line that clogs again soon after it's cleared usually has one of those problems, and a repair or a replaced section fixes it for good.

On a cesspool property, a backup can also be the system itself. Since July 1, 2019, Suffolk County hasn't allowed a failed cesspool to be replaced with another cesspool; a conventional septic system is the minimum. If the line is clear and the system is the problem, a cesspool or septic contractor handles it. We don't install septic systems.

Old systems at the end of old lines

Suffolk County's health department says about 250,000 of its cesspools pre-date its 1973 rule requiring septic tanks on new construction. About 70% of Brentwood homes were built before 1970, according to the Census Bureau's 2015–2019 survey. So in many Brentwood yards, the house sewer runs to an original cesspool, and a backup can be either one. We clear and repair the line; the cesspool is a job for a cesspool contractor.

More for Brentwood and nearby

Plumber in Brentwood Sewer Line Repair & Hookups on Long Island Emergency plumber in Brentwood Drain cleaning in Brentwood Water heaters in Brentwood

Sewer line repair in nearby towns

Sewer line repair in West Babylon Sewer line repair in Levittown Sewer line repair in Hicksville All Western Suffolk areas

Questions

Sewer line repair in Brentwood: FAQ

My building is near the LIRR station. Will I have to connect?

The county's project is aimed at the commercial area around the station, Suffolk Avenue, Brentwood Road and Fifth Avenue. Watch for county notices about your property. When your street is ready, we can do the hookup.

Do you close the old cesspool when you hook up to the sewer?

No. We do the sewer connection. Abandoning the cesspool is done by a cesspool contractor.

My line backs up every few months. Is it roots?

In a 1960s house, roots and cracked or sagging sections are the usual causes. We clear it, find where the problem is, and repair or replace that section.

Sources:Suffolk County Legislature, Resolution No. 722-2023 (Brentwood sewer design, CP 8112); Suffolk County Subwatersheds Wastewater Plan Implementation Plan (Aug. 2025) (CP 8112 cost and schedule); Suffolk County GIS sewer districts overlaid on the Census 2020 Brentwood CDP boundary (Atlas, Nov. 3, 2026); Suffolk County Department of Health Services, I/A OWTS presentation (7/1/2019 rule); U.S. Census Bureau, ACS 2015–2019 5-year (B25034, B25035; newer releases suppressed for Brentwood CDP per ACS Errata 148); Wikipedia, "Brentwood, New York"; Suffolk County Department of Health Services, I/A OWTS presentation (cesspool counts, 1973 rule).