A Yorba Linda shower that drips after shutoff, changes temperature without warning or has a sticky handle usually needs its cartridge or seals replaced, a job a plumber can often do through the trim. A damaged or unsupported valve body is replaced. Call the number on this page to be connected with a local plumber in Yorba Linda.

Which water provider serves my Yorba Linda home, and does it matter for the valve?
Most Yorba Linda residents are served by Yorba Linda Water District (YLWD), and some are served by Golden State Water Company; the City says the provider depends on where you live. YLWD water is about 85 percent local groundwater from the Orange County Groundwater Basin and about 15 percent imported from the Metropolitan Water District. For Golden State Water's Placentia-Yorba Linda system, its latest report lists hardness averaging 11.0 grains per gallon, with a range of 3.92 to 17.5. YLWD's water quality report lists its hardness, and groundwater-based supplies generally leave mineral deposits. In a shower valve, that means scale on the cartridge and its seals, which shows up as a handle that drags or a drip that will not quit.
Golden State Water adds chlorine, and the MWD water it buys contains chloramine. Neither changes how a worn cartridge is replaced.
What kind of shower valve is in a typical Yorba Linda house?
The median home in Yorba Linda was built around 1984. Many bathrooms from that era have single-lever valves that are now well past their first cartridge, and some have two-handle valves. Newer homes typically have pressure-balancing valves with parts that are easy to find. Older or unusual brands are where repair can turn into replacement.
Do I need a permit for valve replacement in Yorba Linda?
The City of Yorba Linda Building Division issues plumbing permits, along with building, electrical and mechanical permits, at City Hall on Casa Loma Avenue (714-961-7120). Its FAQ also notes that Yorba Linda Water District may have its own plan submittal requirements for some projects. A cartridge replacement is a repair; replacing the valve body is the kind of alteration that may need a permit, so ask your plumber before the wall is opened.
Good to know
If a valve fails and the shower will not shut off, close the house shutoff first. For problems on the utility side, YLWD customer service is at (714) 701-3000 and Golden State Water lists 1.800.999.4033 as its 24-hour customer service line. Check your bill to see which applies to you.
Shower Valve Repair questions in Yorba Linda
Will our hard water make the shower valve stiff?
Who fixes a leak on the street side of the water meter?
Our house is older. What kind of shower valve is probably in the wall?
The handle turns but nothing changes. What broke?
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