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Who owns the water service line in Los Angeles, CA

Everything from the main to the meter is the City's property and is maintained at the Department's expense, including the part that crosses private land. The rules say where the Department's responsibility ends and never say who takes over. This is Los Angeles's own statement.

Which part of the pipe is yours

your buildingproperty linesidewalkstreetmainSewer: yours to the mainWater: yours to the meter
The thick length is yours.

Where the responsibility divides

Los Angeles
The whole service connection and the meter. The Department states that "all Service Connections, meters and valves, and housings installed by the Department or conveyed to the Department ... shall be the sole property of the City under the control of the Department, and will be maintained at the Department's expense", adding that "no rent or charge will be paid by the Department where such facilities are located on a Customer's Premises" - so crossing private ground changes nothing. A service connection is defined as the pipe "necessary to conduct water from the distribution main to the meter", and the rules state separately that "the Department shall furnish and maintain all meters".
The property owner
The rules do not say. They fix where the Department stops - "the Department's control and responsibility ends at its shut-off valve or meter" - and disclaim liability for "burst pipes, faulty fixtures, or appliances on the Premises", but no provision makes the customer responsible for the piping beyond the meter. The nearest thing is advice rather than a duty: "for convenience and safety, the Customer should provide a valve on the piping between the meter and the building". Reading the end of the Department's side as the start of the owner's would be an inference rather than a statement, so the question is worth putting to LADWP for a particular address. Note this is the opposite of the answer for the sewer lateral at the same house, which LA Sanitation says the owner is responsible for in its entirety.
LADWP Rules Governing Water and Electric Service, Rule No. 16 (Service Connections and Customer's Facilities), Part 16-W sections A.3, A.4 and C, with the definition of "Service Connection" in Part 1-W

Checked 2026-09-12

What Los Angeles has told the State

Federal rules required every community water system to inventory its service lines and publish the result. These are the figures this one filed.

Los Angeles has classified more of its service lines than most of California: 0.00% of its lines are unclassified, against 9.2% statewide.

Service lines reported
744,960
Still unclassified
0 (0.00%)

Across California, 9.2% of service lines are unclassified.

What this does not tell you

  • This describes who is responsible for which part of the pipe. It is not a record of what your own service line is made of.
  • Classified does not mean inspected, and this system inspected less than most. Los Angeles established 5.6% of its classifications by field inspection, against 22% across California; the rest come from records, the year of construction, or a predictive model.
  • These figures were submitted to the State by the water system itself and were read on 2026-09-04. They may not reflect its current inventory - the system's own page is the place to confirm anything about a specific address.
Check your address with Los Angeles

Your other pipe has a different answer

For the sewer lateral, Los Angeles gives the opposite answer to the one above:

The property owner is responsible for maintaining and repairing the entire private sewer lateral, which the City's code defines as running through the street to the public sewer. The City offers rebates towards inspecting and repairing it.

Your sewer lateral is yours to the main; your water line stops being yours at the meter.

Same trench, separate authorities, decided separately.

Who pays for the sewer lateral in Los Angeles, CA

How this compares across California