Plumbing in Santa Monica: what to know
Santa Monica incorporated in 1886. Visitors come for the Santa Monica Pier and the Third Street Promenade; the rest of the map holds Montana Avenue, Main Street and Santa Monica Airport. People live in Ocean Park, Sunset Park, Pico, Mid-City, Wilshire Montana and North of Montana, and on land the city has a single neighbor: Los Angeles.
Housing in Santa Monica leans heavily toward shared buildings. Of the roughly 53,300 housing units the US Census (ACS 2024 5-year) finds here, the median was built in 1968; 73 percent were built before 1980, and only 19 percent are detached single-family houses. Many of those older apartment buildings run one drain stack, usually cast iron, down through several floors, fed by supply lines of galvanized steel or copper depending on when the building went up.
That layout shapes the calls. A clog low in a shared stack can push water up into a unit on a different floor from the one where it began, and a leak inside a wall can surface two apartments away from its source. Near the beach, salt air works on outdoor hose bibs, valves and any exposed metal, so a valve that has not been turned in years may snap or refuse to close on the day it is needed. In the detached houses, aging drains and sewer laterals bring the usual root and corrosion problems.
Water comes from the City of Santa Monica's own water utility, which pumps and treats local groundwater and buys imported water for the rest. SoCalGas brings the gas. Whether a building holds one household or forty, the private sewer lateral between it and the public main is the owner's responsibility. The City of Santa Monica issues the permits, and ours for gas lines, repipes, water heaters and laterals are closed only after inspection. Our 24-hour emergency response covers all five Santa Monica ZIP codes, dispatched from Los Angeles.
Santa Monica borders Los Angeles. We serve those cities as well, and their calls are handled from our Los Angeles location like every other. A person answers at any hour, the plumber finds where a leak or blockage begins before cutting into a wall or a floor, and work starts only after you sign the written estimate.
Neighborhoods we cover
- Ocean Park
- Sunset Park
- Pico
- Mid-City
- Wilshire Montana
- North of Montana
Santa Monica ZIP codes we serve
- 90401
- 90402
- 90403
- 90404
- 90405





