Old ranch, newer neighborhoods
Neff Park is home to a historic estate from the days before La Mirada was subdivided. The houses on the surrounding streets came later, when former ranch and orchard land became tract neighborhoods. Their plumbing reflects that later era rather than the estate's.
For owners here, the practical questions are the familiar ones: is the supply pipe original, has the lateral been inspected, and is the water heater strapped and vented correctly? The answers vary house by house, so treat this page as a starting point.
Likely in an original house here
- Foundation
- Concrete slab
- Supply lines
- Galvanized or copper, unless repiped
- Drain and lateral
- Cast iron and clay
- Water heater location
- Often the garage
Original plumbing versus updated
Original
- Supply lines in or under the slab.
- Gate valves that may not close fully.
- Clay lateral with joints roots can enter.
- Older water heater strapping or venting.
Updated
- Supply lines rerouted through the attic.
- Quarter-turn ball valve at the main.
- Lined or replaced lateral with camera records.
- Current strapping, venting and gas connector.
A first-year checklist for new owners here
- Map every shutoff and test the main valve.
- Order a sewer camera inspection if the lateral has no records.
- Inspect the water heater for straps, rust and venting.
- Do a meter test to rule out hidden leaks.
- Collect any permit history; check with the city.
Who to contact
- Permits and sewer connection rules: check with the City of La Mirada.
- Water service and meter: the provider listed on your bill.
- Gas service: SoCalGas.
- Contractor license checks: cslb.ca.gov.
Common questions
Is the historic estate's plumbing relevant to my house?
No. Nearby homes were built later and have typical postwar tract plumbing.
Should I replace a gate valve at the main?
If it is stiff or will not close fully, many owners replace it with a ball valve during other work.
Do I need a sewer inspection if nothing is wrong?
It is optional, but useful as a baseline in an older house, especially before buying or remodeling.
General information for La Mirada, not a quote or professional advice. In an emergency, call 911.