In New York City, the property owner owns the whole sewer line to the city main in the street. Westfield's Public Works repairs broken sewer mains, and Cranford checks each backup to decide whose it is. Here is what each place says.
In New York City, the property owner owns and pays for the whole sewer line, from the house to the city's main under the street.
In New Jersey, Westfield's Public Works repairs broken sewer mains, and Cranford checks each backup to decide whether it is the town's or the owner's.
What each place says
| Place | Who is responsible | Source |
|---|---|---|
| New York City | Owner, all the way to the main sewer in the street | NYC DEP |
| Cranford, NJ | "DPW will check to see if it is a Township or homeowner responsibility" | Cranford DPW |
| Westfield, NJ | Town repairs broken sewer mains. We could not read the house connection ordinance online; ask Public Works | Westfield DPW |
| Woodbridge, NJ (for contrast) | Owner: the "entire length of the sewer lateral" to its connection point at the main "is your private property" | Woodbridge Township |
New Jersey rules differ by town. Ask your town before any sewer repair or digging starts.
New York City: the owner owns it to the main
"Property owners own and are responsible for maintaining and repairing their sewer service line, which connects their property to the City's sewer main in the street." (NYC DEP) That includes the part under the sidewalk and the street.
- DEP says owners are responsible for "all of the plumbing inside and outside of their property", including the sewer pipe.
- A sewer line repair needs a licensed master plumber, who gets the permits (NYC311).
- If DEP finds damage, a repair order gives 30 days in a non-emergency, with a $1,000 water shut-off fee if it is not fixed.
- DEP puts the average sewer line break repair at $10,000 to $15,000. Its optional Service Line Protection Program costs $143.04 a year for the sewer line (NYC DEP).
- If you think the city caused damage in a backup, DEP says to contact the NYC Comptroller's Office within 90 days to file a claim.
Cranford and Westfield, NJ
- Cranford: call Public Works for a backup; it decides whose responsibility it is. As a permit rule (not an ownership rule), any contractor replacing a sewer line needs a Road Opening Permit, with escrow and a bond (Township of Cranford).
- Westfield: Public Works handles "repairing broken sewer mains". For a sanitary sewer backup at any time, Westfield says to call the Police Department at (908) 789-4000.
- Both towns are members of the same sewer authority, the Rahway Valley Sewerage Authority. Ownership rules can still differ by town, so ask yours.
How to tell whose side the problem is on
- If neighbors back up at the same time, call the town (or 311 in NYC).
- Get a sewer camera inspection. It shows how far from the house the blockage or break is.
- Compare that distance with your property line, then call the town with the footage.
Find out where your problem is
Power Rooter's camera inspection records the line and notes where each problem is and how deep, so you have footage for the town or your insurer.
Book a sewer camera inspection in Union County or a sewer camera inspection in Cranford ((908) 666-8686). In New York, book a sewer scope inspection in Brooklyn ((718) 686-8686).
Common questions
What is the sewer line from the house to the street called?
It is called the sewer lateral, sewer service line or house connection.
Does homeowners insurance cover a broken sewer line?
Policies differ. Ask your insurer. New York City owners can also join DEP's optional Service Line Protection Program.
Who pays if a street tree's roots got into my line?
For root intrusion in New York City, DEP says root infiltration on the private line is the owner's responsibility. In New Jersey, ask your town's public works office.
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Dealing with this right now? We run same-day trucks across NYC and northern NJ.
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