If the repair is yours to pay
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Default rule and exceptions
Owner owns and maintains both the upper lateral (building to property line) and the lower lateral (property line to the main in the middle of the street). The city owns only the main itself.
| Party | What they are responsible for |
|---|---|
| Property owner | LA Sanitation: "The public sewer mainline belongs to the city, but the pipe connecting your home or business to that mainline is a private line called a sewer lateral," and "Property owners are responsible for the maintenance and repair of their entire lateral." |
| City / public agency | The city owns and maintains only the sewer mainline, not any part of the lateral. |
| Exceptions | None on record |
What the source says
Last verified against the primary source on Sep 7, 2026.
Property owners are responsible for the maintenance and repair of their entire lateral.
The public sewer mainline belongs to the city, but the pipe connecting your home or business to that mainline is a private line called a sewer lateral,
City rules rest on state law. Read California's sidewalk statute, quoted verbatim, or see all 50 states in one table.
Common questions
Who pays for sewer lateral in Los Angeles, CA?
The property owner. LA Sanitation: "The public sewer mainline belongs to the city, but the pipe connecting your home or business to that mainline is a private line called a sewer lateral," and "Property owners are responsible for the maintenance and repair of their entire lateral."
What does the city cover in Los Angeles, CA?
The city owns and maintains only the sewer mainline, not any part of the lateral.
What is this based on for Los Angeles, CA?
This verdict is sourced to LA Sanitation: Managing and Protecting LA Underground Sewer System (owner owns entire lateral) and 3 sources in total, each independently re-checked before publication.
Sources
- LA Sanitation: Managing and Protecting LA Underground Sewer System (owner owns entire lateral)official · verified-official · accessed 2026-09-07
- LA Sanitation (LASAN) official siteofficial · verified-official · accessed 2026-09-07
- LA Sanitation: Managing and Protecting LA Underground Sewer System (owner owns entire lateral)official · verified-primary · accessed 2026-09-27
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