Permit Required
Do you need a permit to replace a sewer line in Los Angeles, CA?
Replacing the building sewer or main drain line requires a plumbing permit.
General requirement — confirm with Los Angeles Department of Building and Safety (LADBS)
No city-specific rule verified yet. This shows the general IRC R105.1 / P3005 requirement. Confirm with Los Angeles Department of Building and Safety (LADBS).
Permit rules vary by property and change over time. This is an informational guide, not legal advice — always confirm with Los Angeles Department of Building and Safety (LADBS) before starting work.
How to get the permit in Los Angeles
Building department
Apply online
Phone
(213) 482-7210
Code in force
2023 City of Los Angeles Residential Code (based on 2022 California Residential Code / CRC, derived from the IRC)
Need a permit pulled? Find a licensed plumber in Los Angeles
Licensed plumbers near you can handle the permit and the work — compare pros on our directory.
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