Yorba Linda homeowners usually replace a water heater when the tank leaks, the water turns rusty, or the unit can't keep up with the household any longer. The City of Yorba Linda Building Division issues plumbing permits for the work. Call the number on this page to be connected with a local plumber in Yorba Linda.

Which water provider serves my Yorba Linda home?
Most Yorba Linda residents are served by the Yorba Linda Water District, but Golden State Water Company serves some residents through its Placentia-Yorba Linda system, and the City says the provider depends on where you live. Your bill shows which one you have. YLWD's supply is about 85 percent local Orange County Basin groundwater and about 15 percent imported water from the Metropolitan Water District. Golden State Water's system blends treated basin groundwater with imported water; it adds chlorine, and the imported water it buys contains chloramine. Golden State Water's 2026 report lists hardness averaging 11.0 grains per gallon, ranging from 3.92 to 17.5, which is hard water. YLWD customers can find their hardness figure in the district's own water quality report. YLWD's customer service number is (714) 701-3000; Golden State Water lists 1-800-999-4033.
What does the city require?
The City of Yorba Linda Building Division issues building, electrical, mechanical and plumbing permits and can be reached at (714) 961-7120; applications are submitted at the Building Division counter at City Hall. The City's building FAQ also notes that Yorba Linda Water District may have its own plan submittal requirements for some projects, so if the replacement involves more than a straight swap, ask your plumber to check. The inspection will look at seismic straps, venting, the gas connector and the relief valve line.
What size heater should replace the old one?
Start with how the house uses hot water. City-stats.com puts the median year built in Yorba Linda at 1984, and households in many of those homes have changed since the original heater was chosen. If you regularly run out during back-to-back showers or while the dishwasher runs, a larger tank or a tankless unit may suit you better. Larger homes in the hillside areas sometimes have long pipe runs from the heater to the farthest bathroom, which a plumber can address with sizing or a recirculation option. A plumber can recommend a size after asking about bathrooms, people and fixtures.
A Yorba Linda safety note
SoCalGas serves the city. If you smell gas near the water heater, leave first, then call 911 and SoCalGas at 1-800-427-2200 from outside.
Water Heater Replacement questions in Yorba Linda
How do I find out which water provider serves my address?
Does replacing a water heater here require a permit, and who issues it?
What size water heater should I get?
How does the local water hardness affect a new water heater?
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