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Common problems
- Water pooling around the tank
- Rumbling or popping from the tank
- Rusty or smelly hot water
Services
- Tank water heater repair
- Tankless water heater service
- Water heater replacement
If it's urgent: Big leak from the tank? Close the cold supply valve on top and turn off the heater's gas or power.
Book a visit online
Homes in San Mateo: what pros run into
Central Park downtown has a Japanese tea garden. Sugarloaf Mountain open space is on the west side.
The San Mateo-Hayward Bridge starts on the city's east side. Many homes here have standard 40- or 50-gallon tanks in the basement. If yours is past about 10 to 12 years, plan for replacement before it leaks. Many older homes have raised foundations and crawl spaces.
Sediment still builds up in tanks over time, so a yearly flush helps a tank run quieter and last longer. Parts of the east side are low-lying near the Bay.
Local rules to know
Water heater replacement in California is plumbing work, and plumbing licenses come from the Contractors State License Board, and state code requires seismic strapping. If you have a gas unit and smell gas, leave the house and call PG&E from outside before anyone works on it.
Caltrain stops at three stations in the city. Your water bill comes from Cal Water, sewage is handled by the wastewater plant the city runs with Foster City, and the City of San Mateo Building Division issues building permits. Laurelwood has hillside ranch homes from the 1950s and 1960s.
Problems people call about
A few signs it's time for a water heater specialist:
- Water pooling around the tank
- Rumbling or popping from the tank
- Rusty or smelly hot water
Before you call
Take a photo of the heater's label showing brand, model, capacity and fuel type.
Make a list of questions so nothing gets forgotten during the visit.
From call to visit
- Phone in, or fill out the short form and describe what's wrong.
- A water heater specialist with openings near San Mateo gets the details.
- The pro gets in touch, and you decide on timing and price together.
Quick answers
What is the relief valve for?
The temperature and pressure relief valve releases water if the tank gets too hot or pressurized. It should never be capped or plugged.
Why is my hot water rusty?
It can be a corroding tank or anode rod. If cold water is clear and only hot is rusty, the heater is the likely source.
Any San Mateo details worth mentioning when I call?
Baywood and San Mateo Park have many 1920s and 1930s homes. Hillsdale Shopping Center has been a regional mall since 1954. Shoreview is in the flats near the Bay. It helps to say roughly when your home was built.
Do you cover Beresford and North Central?
We look for independent pros across San Mateo, including Beresford, Baywood, Hayward Park and San Mateo Park, and ZIP codes 94401, 94402, 94403. If nobody's available, we'll tell you. If you're close to a ZIP code line, mention your cross street when you call.
Why is my hot water running out fast?
Sediment buildup, a failing element on an electric unit or a broken dip tube are common reasons. A tank that's too small for the household can also be the cause.
Write down any error codes, noises or smells. Details like that speed things up.
Service area
Serving about a 50-mile radius from San Mateo, depending on which independent pros are available. ZIPs: 94401, 94402, 94403
Nearby
- Water heater in Redwood City
- South San Francisco water heater
- Water heater near Daly City
- Palo Alto, CA water heater
- Water heater in Union City
- San Leandro water heater
Other services in San Mateo
All home services in San Mateo · California home services
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