Permit Required
Do you need a permit to replace a sewer line in New York, NY?
Replacing the building sewer or main drain line requires a plumbing permit.
General requirement — confirm with New York City Department of Buildings (DOB)
No city-specific rule verified yet. This shows the general IRC R105.1 / P3005 requirement. Confirm with New York City Department of Buildings (DOB).
Permit rules vary by property and change over time. This is an informational guide, not legal advice — always confirm with New York City Department of Buildings (DOB) before starting work.
How to get the permit in New York
Building department
Apply online
Phone
311 (or 212-639-9675)
Code in force
2022 NYC Construction Codes / NYC Building Code (NYC does NOT adopt the IRC; it enforces its own Construction Codes per 1 RCNY 101-14)
Need a permit pulled? Find a licensed plumber in New York
Licensed plumbers near you can handle the permit and the work — compare pros on our directory.
Find a plumber in New York, NY →