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Shower Valve Replacement in California

Shower Valve Replacement across California: the 1,921 ZIP codes and 726 cities we route calls in, and who licenses plumbers in the state.

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Pair of hot and cold water valves on exposed pipework

Free to homeowners in California — the contractor pays us for the introduction, you never do.

Behind the wall

Our shower valve replacement coverage in California runs to 1,921 ZIP codes in 726 cities. Large municipalities have decades of bathroom refits inside one ZIP code, and the valve body behind the tiles is rarely the one the trim suggests — which is the single thing that decides whether the wall has to come off.

Source: coverage area as published by our call partner; place and county names from the US Census Bureau.

We route shower valve replacement calls in 1,921 ZIP codes across 726 California cities, in 40 counties.

What this site is

ShowerValve is a referral service, not a contractor. We connect homeowners with independent contractors. Contractors are required to hold whatever credential their state or municipality demands, and valve work opening a wall is often a permitted alteration — ask to see the permit. We carry out no work, we sell no valves, we do not set prices, and we never charge homeowners anything — the contractors in our network pay us when we route them a call. The maximum water temperature is set by your local code, not by this website.

Checking a credential in California

California licenses are issued by the Contractors State License Board, which publishes a public search you can use before work begins. California licenses the C-36 plumbing contractor; there is no state journeyman license.

23 of the 40 California counties we cover, a cross-section, largest to smallest

  • Alameda County 68 ZIP codes
    Oakland, Berkeley, Hayward, Fremont, San Leandro, Alameda, Castro Valley, Emeryville, Livermore, Pleasanton, Albany, Dublin, Newark, San Lorenzo, Sunol and 1 more
  • Amador County 8 ZIP codes
    Amador City, Drytown, Ione, Jackson, Pine Grove, Pioneer, Plymouth, Sutter Creek
  • Colusa County 3 ZIP codes
    Colusa, Maxwell, Princeton
  • Contra Costa County 52 ZIP codes
    Concord, Richmond, Walnut Creek, Moraga, Antioch, Danville, El Sobrante, San Ramon, Alamo, Bethel Island, Brentwood, Byron, Canyon, Clayton, Crockett and 15 more
  • El Dorado County 17 ZIP codes
    Camino, Coloma, Cool, Diamond Springs, El Dorado, El Dorado Hills, Garden Valley, Georgetown, Greenwood, Lotus, Pilot Hill, Placerville, Pollock Pines, Rescue, Shingle Springs and 2 more
  • Fresno County 13 ZIP codes
    Fresno, Clovis
  • Glenn County 6 ZIP codes
    Artois, Butte City, Glenn, Hamilton City, Orland, Willows
  • Los Angeles County 494 ZIP codes
    Los Angeles, Long Beach, Pasadena, Glendale, Burbank, Van Nuys, Inglewood, North Hollywood, Santa Monica, Torrance, Whittier, Alhambra, Northridge, Beverly Hills, Carson and 111 more
  • Merced County 13 ZIP codes
    Merced, Atwater, Delhi, Gustine, Hilmar, Livingston, Los Banos, Snelling, Winton
  • Monterey County 21 ZIP codes
    Salinas, Monterey, Carmel, Aromas, Carmel by the Sea, Castroville, Marina, Moss Landing, Pacific Grove, Pebble Beach, Seaside
  • Napa County 12 ZIP codes
    Napa, American Canyon, Angwin, Calistoga, Deer Park, Oakville, Pope Valley, Rutherford, Saint Helena, Yountville
  • Nevada County 1 ZIP code
    Truckee
  • Placer County 20 ZIP codes
    Auburn, Roseville, Rocklin, Carnelian Bay, Foresthill, Granite Bay, Kings Beach, Lincoln, Loomis, Meadow Vista, Newcastle, Olympic Valley, Penryn, Sheridan, Tahoe City
  • Riverside County 84 ZIP codes
    Riverside, Moreno Valley, Corona, Temecula, Hemet, Menifee, Perris, Lake Elsinore, Murrieta, Palm Springs, San Jacinto, Indio, Palm Desert, Aguanga, Banning and 21 more
  • Sacramento County 131 ZIP codes
    Sacramento, Elk Grove, Citrus Heights, Rancho Cordova, Carmichael, Folsom, Antelope, Courtland, Elverta, Fair Oaks, Galt, Herald, Hood, Isleton, Mather and 8 more
  • San Diego County 178 ZIP codes
    San Diego, Chula Vista, Escondido, Oceanside, Carlsbad, La Jolla, El Cajon, La Mesa, San Marcos, Spring Valley, Vista, Alpine, Bonita, Coronado, Encinitas and 33 more
  • San Joaquin County 41 ZIP codes
    Stockton, Tracy, Lodi, Manteca, Acampo, Clements, Escalon, French Camp, Lathrop, Linden, Lockeford, Ripon, Thornton, Victor, Woodbridge
  • San Luis Obispo County 34 ZIP codes
    San Luis Obispo, Arroyo Grande, Atascadero, Grover Beach, Los Osos, Morro Bay, Oceano, Paso Robles, Pismo Beach, Avila Beach, Cambria, Cayucos, Creston, Nipomo, San Miguel and 4 more
  • San Mateo County 36 ZIP codes
    Redwood City, San Mateo, Daly City, Burlingame, Menlo Park, South San Francisco, Atherton, Belmont, Brisbane, El Granada, Half Moon Bay, La Honda, Loma Mar, Millbrae, Montara and 7 more
  • Santa Barbara County 24 ZIP codes
    Santa Barbara, Lompoc, Santa Maria, Buellton, Carpinteria, Goleta, Guadalupe, Los Alamos, New Cuyama, Santa Ynez, Solvang, Summerland
  • Sonoma County 38 ZIP codes
    Santa Rosa, Petaluma, Rohnert Park, Sebastopol, Bodega, Bodega Bay, Cloverdale, Cotati, Eldridge, Forestville, Fulton, Geyserville, Glen Ellen, Graton, Guerneville and 8 more
  • Tehama County 7 ZIP codes
    Corning, Gerber, Los Molinos, Proberta, Red Bluff, Tehama, Vina
  • Yolo County 20 ZIP codes
    West Sacramento, Davis, Woodland, Brooks, Capay, Clarksburg, Dunnigan, Esparto, Guinda, Knights Landing, Madison, Winters, Yolo, Zamora

17 more California counties are inside the coverage area and are not listed here. If your ZIP code is in California, the call reaches a contractor.

What that coverage looks like

Sacramento, at 100 ZIP codes, is the largest part of our California footprint, and Los Angeles County holds 494 of the 1,921 we cover. A valve job needs the right cartridge in the van, so the call asks what the trim looks like and how many handles it has before anyone is sent.

How a shower valve replacement job goes

A shower that will not hold temperature is a cartridge far more often than it is a valve. The cartridge sits inside the valve body behind the tiles and can usually be drawn out through the trim plate without opening the wall. The wall comes off when the body itself is cracked, seized into the pipework, or no longer made in a form that fits.

What the call asks about shower valve replacement

  • How many handles the shower has, and whether the trim plate is round or square.
  • Whether the fault is temperature, pressure, or a drip that will not stop.
  • The maker if it is stamped on the trim, because that identifies the cartridge.

Every California city we route in

426 cities, ordered by size. Valve stock follows the age of the bathroom, which follows the age of the house. Each page carries that city’s own numbers and the ZIP codes we route there.

Before you call

A valve that will not hold temperature is a cartridge far more often than it is a valve. The pages above say how to tell before the tiles are touched.

Stainless steel shower drain set in a tiled floor
Shower mixer being worked on with a pair of pliers
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