Sewer Line Repair & Hookups · Plainview · ZIP 11803
Sewer Line Repair in Plainview, NY1950s Laterals on the County System
All Island Plumbing NY repairs and replaces house sewer lines in Plainview (ZIP 11803), Town of Oyster Bay, from the foundation to the county connection. Call (516) 360-9493. We answer calls 24/7 and are open Monday through Saturday (closed Sunday).
Smell gas? Leave the house first, then call the gas utility's emergency line or 911.
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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
Plainview's houses connect to the Nassau County sewer, and most of their connecting pipes are as old as the houses. See our Plainview page and our general sewer line repair page.
A big system, a short pipe of your own
The Long Island Commission for Aquifer Protection's 2020 report describes the county's system: about 3,000 miles of sanitary sewer from 8 to 108 inches across, 64,000 manholes, 57 pump stations and roughly 300,000 individual service connections. Your house is one of those connections. The main in the street and everything downstream belong to the county; the lateral from your foundation to that main is yours to maintain, and on a typical Plainview lot it runs under the front lawn, a walk or the driveway.
Why Plainview laterals fail now
The Census Bureau's latest survey counts 64% of homes built in the 1950s. Laterals from that era were usually clay pipe or cast iron. What we find after 70 years:
- Root intrusion at clay joints, from trees and shrubs that have had 70 years to spread their roots.
- Offset joints, where one section has shifted and catches paper.
- Cracks under driveways that were widened or repaved over the decades.
- Cast iron worn through along the bottom, the part that carries water every day.
We clear the line first. If the cleaning shows a break, an offset or roots that keep coming back, we excavate and repair the bad section or replace the run.
Before you replace
Not every repeat clog means a new line. If roots are getting in at one joint, a section repair can end it. If the pipe is broken in several places, or flattened under a driveway, replacement is the better value. We tell you what we found and where, and we don't recommend a full replacement unless the pipe calls for it.
Permits and the street
Work on the connection itself involves the county; Nassau County Public Works lists a sewer permits number, (516) 571-6840. Plainview is an unincorporated hamlet, so plumbing permits for work on the house side go through the Town of Oyster Bay. If the backup is in the county main, not your line, call the county's 24-hour sewer service line, (516) 571-6900.
Inland, not tidal
Plainview is in central Nassau, miles from the South Shore bays, so the tide-driven sewer backups that South Shore towns deal with aren't the issue here. What wears out a lateral here is age, roots and shifting soil, so the work is about finding the failed section and fixing it.
More
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Questions
Sewer line repair in Plainview: FAQ
How do I know if the problem is my lateral or the county main?
Our lateral runs under the driveway. Does the driveway have to come up?
Can roots be cleared and left alone?
Sources:Long Island Commission for Aquifer Protection, "Wastewater Management in Nassau and Suffolk Counties" (2020; Nassau County sewer miles, manholes, pump stations, service connections); U.S. Census Bureau, ACS 2024 5-year (B25034); Nassau County Department of Health, Public Sewer Collection Districts by Community; Nassau County Department of Public Works, Telephone/Fax Info page (sewer permits, 24-hour sewer service); Town of Oyster Bay Code, Chapter 180 (plumbing permits, via eCode360).