Home maintenance for La Palma homeowners
La Palma incorporated in 1955 as Dairyland, a town of 18 dairies where, by the general plan's account, the cows outnumbered the 500 residents, and took its present name in 1965. About three in four of its homes went up in the 1960s and 1970s, on flat ground where the water table sits about 5 to 13 feet below grade. The city still pumps about 97 percent of its tap water from two wells of its own.
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Home maintenance help in La Palma
OakTend gives La Palma homeowners free home maintenance help during our preview: add your house once and get a reminder when each check is due. The checklist below needs no account.
Homes in La Palma, at a glance
- Population
- About 15,272 peopleACS 2024 5-year estimate (2020-2024), table B01003; the city's 2025 water management plan uses 15,141, from the Center for Demographic Research at Cal State Fullerton. Source: Census Reporter, ACS 2024 5-year table B01003
- Median year built
- 1972Source: Census Reporter, ACS 2020-2024 five-year table B25035
La Palma is inland, so it gets hotter summer afternoons and more Santa Ana wind than the coastal cities, and less salt air than the beach towns, though salt can still carry several miles inland.
When homes were built
- Homes counted
- About 5,206
- Built before 1960
- 5.5%
- Built in the 1960s
- 38.1%
- Built in the 1970s
- 37.5%
- Built in the 1980s
- 8.6%
- Built in the 1990s
- 2.3%
- Built 2000 or later
- 8.0%
- Detached houses
- About two thirds
About four in five predate 1980, so original drain lines, panels and supply plumbing are past fifty in most of the city.
Source: Census Reporter, ACS 2020-2024 five-year tables B25034, B25035 and B25024
History
The general plan says La Palma had about 500 people in 1955, almost 10,000 by 1970 and well over 15,000 by 1980, with very little growth since. The name changed from Dairyland to La Palma in 1965, after its main street, La Palma Avenue.
Source: City of La Palma General Plan (adopted June 2014), introduction, with the city's history page
Home condition
The city's March 2024 draft housing element says most La Palma housing is now more than 40 years old. Its 2021 windshield survey found about 26 homes, roughly 0.5 percent, that appeared to need minor work such as paint, roofing or windows, and only one with major problems, caused by a recent fire.
Source: City of La Palma, 2021-2029 Housing Element, revised draft of March 2024
Reroof rules
Municipal code section 10-211, amended by Ordinance 2025-02 on November 4, 2025, requires a fire-retardant covering rated at least Class B on any reroof or roof repair of an existing structure, and on the whole roof when more than 50 percent of it is replaced within one year. Another part of the same section calls for Class A, so ask the Building Division which class applies to your roof before ordering material.
Water supply
Two city wells, Meadowlark at the city yard on the south side and Walker Street on the north side, supplied about 97 percent of the water in fiscal 2024-25; the rest was imported. The system has about 4,372 connections, 39.7 miles of mains, reservoirs of 2.5 and 2.0 million gallons, and one pressure zone because the city is so flat. Sand and gravel have cut the Walker Street well from a rated 1,500 gallons a minute to about 1,000, and a rehabilitation project is expected to restore it.
Source: City of La Palma, 2025 Urban Water Management Plan (final draft, May 2026)
Leaks after the meter
City code puts every pipe past the curb meter on the owner. Section 42-6 says the city is not responsible for leaks between the meter and the premises or for damage from pipes on private property, and section 42-267 lets the city shut off service ten days after written notice if an owner does not fix leaking plumbing.
Lead in pipes
The 2026 Water Quality Report says the city's lead service line inventory found every line in the system lead-free, including the customer-owned side. Of 30 homes tested at the tap in 2024, lead was detected in 3 and copper in 20, and none exceeded the action level.
Real neighborhoods in La Palma
- Centerpointe
- Civic Center and Central Park
- La Palma Promenade
- El Rancho Verde Park
The city does not name residential neighborhoods, so these are the landmarks it uses itself. Business and industrial land sits north of Orangethorpe Avenue, mostly north of State Route 91, where Centerpointe is the early-1980s business district with a high-rise hotel; south of that the city is almost all houses. With no classic downtown, Central Park and City Hall on Walker Street serve as the gathering place. The La Palma Promenade is about 24 acres of greenbelt along the Edison right-of-way from Valley View Street to Barbi Lane, with El Rancho Verde Park near Moody Street.
Source: City of La Palma General Plan (adopted June 2014), introduction, with the city's history page
Water, permits, and local rules in La Palma
Water
The city's Public Works Department runs the water utility, blending Orange County basin groundwater with Colorado River and Northern California water imported by the Metropolitan Water District. The 2026 report shows the well water averaging 147 ppm, or 8.6 grains per gallon, and the imported water 236 ppm, or 14 grains, with a combined range of 138 to 280 ppm, so the tap gets harder when more imported water is in the mix. Groundwater arsenic averaged 6.8 parts per billion against a limit of 10. A small part of the city, including school and some residential properties, is served by Golden State Water Company instead.
City of La Palma Water Division · Source: Water quality report
Permits
Permits are issued through the city's OpenGov portal, with a counter at City Hall, 7822 Walker Street. Bureau Veritas North America runs building and safety under contract, almost all plans need a plan check, and some also go to the Orange County Fire Authority. Inspections run Monday through Thursday, 8:30 a.m. to noon, booked on the portal 24 hours ahead, though a call before 8:30 a.m. may get a same-day slot. Staff answer code and plan questions from 7:30 to 8:30 a.m. those days at 714-690-3340 or building@lapalmaca.gov. A permit lapses if work does not start within 180 days, block walls 4 feet or taller need one, and every contractor working here needs a city business license.
City of La Palma Building & Safety Division permit portal · Source: City building division
Liquefaction
The general plan's safety element says the state's Seismic Hazard Zones map for the Los Alamitos quadrangle puts the entire city inside a Liquefaction Hazard Zone. That means a geotechnical report before most new development and a disclosure when a home sells, not that every lot will liquefy. No active fault crosses the city; the Los Alamitos, Newport-Inglewood and Whittier-Elsinore faults run within 15 miles.
Source: City of La Palma General Plan (2014), Community Safety Element
High groundwater
The safety element says the water table is high throughout town, typically about 5 to 13 feet below the ground, and that this has caused localized flooding and building design concerns. Ask about groundwater before digging a pool or a deep footing.
Source: City of La Palma General Plan (2014), Community Safety Element
Flood zones
The 2014 safety element puts all of La Palma in FEMA Zone X, and Coyote, Moody and Fullerton creeks are concrete lined. The city's flood page shows the western part at reduced risk behind the Coyote Creek levees and the rest at a 0.2 percent annual chance, so flood insurance is not required.
Source: City of La Palma, Whittier Narrows Dam and flood risk page, with the 2014 Community Safety Element
Dam inundation
Brea, Carbon Canyon, Prado and Whittier Narrows dams all have La Palma on their inundation maps. The safety element says a Brea or Carbon Canyon failure would mostly affect land north of State Route 91 and a Prado Dam failure could flood the whole city, though it rates failure unlikely after seismic upgrades. The city's later page, citing a 2018 Army Corps study, says a storm with about a 1 in 900 annual chance at Whittier Narrows could bring zero to eight feet of water.
Source: City of La Palma, Whittier Narrows Dam page, with the 2014 Community Safety Element
Wildfire zones
The safety element calls wildfire risk minimal, and the State Fire Marshal's March 24, 2025 map data shows no Moderate, High or Very High zone inside the city. The Orange County Fire Authority provides fire and medical service, funded by a dedicated share of local property taxes.
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Guides for La Palma homeowners
Slab leak signs
Most homes here date from the 1960s and 1970s, and every pipe past the meter is yours.
Water heater replacement cost
City well water tests at 8.6 grains per gallon and imported water at 14.
Roof replacement cost
City code requires a fire-rated covering on any reroof; ask the Building Division whether yours needs Class A or Class B.
Orange County home maintenance checklist
Clear yard drains before winter on ground where groundwater sits 5 to 13 feet down.
Adding an EV charger, heat pump or solar? See electrical panel upgrade cost.
Maintenance that matters in La Palma
Repiping a house in Orange County
The median La Palma home was built in 1972. If a house that age has had more than one leak, read when a whole-house repipe makes sense.
Slab leak repair in Orange County
Found a slab leak sign in your La Palma home? See how the leak is found and fixed, and what insurance may cover.
How to change your furnace and AC air filter
In La Palma, check the AC filter every month.
Nearby cities
Questions from La Palma homeowners
Is there a separate permit form for a water heater in La Palma?
No. One Building Permit application covers building, electrical, mechanical and plumbing work, and its plumbing section has a line for a water heater and vent. The portal says a permit is needed before any alteration or repair starts.
Which fire stations respond in La Palma?
Station 13 at 7792 Walker Street, next to the police department, is the one station inside city limits and the first to respond. The general plan says Station 12 in Cypress and Station 61 in Buena Park also respond. Police is separate: La Palma has run its own department almost since it was founded.
Local facts on this page last checked .