Hot summers, brief cold snaps
Clayton has hot, dry summers and a warm-summer Mediterranean climate. That means irrigation lines, hose bibs and outdoor faucets run hard from spring through fall, and a leaking irrigation or service line can run up a bill before anyone sees a wet patch.
The town does get surprises. Snow fell in December 2009, the first time since the 1970s. A rare cold night is not a pipe-freezing season, but exposed hose bibs and attic lines in older homes are the places to check. See faucet repair for outdoor faucet fixes.
Summer irrigation leaks
A soggy lawn strip or low pressure between the meter and the house. Emergency dispatch is available around the clock. See water service line repair.
Heaters under heavy load
Large families and long showers wear tanks. Same-day appointments when available. See water heater repair.
Winter cold snaps
Exposed pipes on north-facing walls or in attics can crack on a rare freezing night.
Spring root growth
New growth sends roots into laterals, particularly near mature trees.
Water off and out of the way: your first four steps
Find the main valve
Turn it clockwise. On larger lots, it may be at the street edge of the property.
Power off near water
Switch off the breakers for wet rooms if the panel is on dry floor.
Keep the flow away
Move belongings off the floor and sweep standing water toward a drain.
Call (855) 575-2890
The 24/7 line books the next visit and walks you through shutting off irrigation.
What each building phase left behind
Clayton was incorporated in 1964, partly to head off a 1963 annexation attempt by Concord. In 1987 the city annexed the Dana Hills and Dana Ridge and Clayton Wood subdivisions, and the former Keller Ranch land became Oakhurst in the 1990s. That gives three plumbing generations in one small town: the older core, the 1970s and 1980s subdivisions, and the 1990s Oakhurst homes.
Homes from each phase fail differently. Older homes see corrosion and pinholes. Late-century subdivisions see water heaters and fittings reach the end of their lives. Newer homes see problems from builder-grade fixtures. Our plumbing installation page and leak detection page cover what we do next.
Clayton ZIP code we serve
Clayton uses a single ZIP, 94517, and it is also the page's primary ZIP. It covers the town's older core, the Dana Hills and Dana Ridge subdivisions, Clayton Wood and the Oakhurst area, and one 24/7 line answers for all of it.
Downtown Clayton and the older core
The older part of town sits near the center of Clayton, and many of its buildings and lots predate the large subdivisions. Smaller lots and older structures mean shared walls, older drain materials and shutoff valves that have not been turned in years. A valve that is stuck or leaking is a common reason a minor repair becomes a call-out.
If you own an older Clayton property, test your main shutoff once a year and note where each fixture valve is. Replacing a worn shutoff during a calm weekday costs less than finding out at midnight that it will not close.
Foothill lots and long service lines
Larger lots near the foothills often have long service lines from the meter to the house. A small leak can run underground for weeks. If your meter moves with everything off, shut the house valve and call. Our repiping page is the next step when an aging system keeps failing.
Work in Clayton follows the California Plumbing Code, which is based on the Uniform Plumbing Code (UPC), and the city decides which permits apply within its limits.
Questions from Clayton
Yes. The line is answered 24/7, and we book same-day visits when a plumber is available.
Yes. Clayton is served by 94517, which covers the older core, Dana Hills and Dana Ridge, Clayton Wood and Oakhurst.
About 18 minutes from Pleasant Hill. Arrival depends on dispatch and traffic.
It is uncommon, but snow fell here in December 2009. Check exposed hose bibs and attic lines on cold nights.
It may be a service line or irrigation leak. Check the meter with all taps off, then call.
Yes. Tell us about the lot and access when you call.
Still have a question about your situation? Call (855) 575-2890 any hour and describe what you are seeing.