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Water Heater Repair & Installation in San Anselmo, CA

Same-day water heater repair, tankless upgrades, and full replacement for San Anselmo homes from the Hub to Sleepy Hollow.

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San Anselmo's older Ross Valley homes — the craftsman cottages near the Hub, the mid-century houses climbing toward Sleepy Hollow and Seminary — often tuck their water heaters into tight hall closets, garages, or low crawlspaces near San Anselmo Creek, where space is short and flooding is a real concern. Add the mineral content in Marin Municipal Water District water, which steadily builds sediment and corrodes tanks, and a 12-year-old 40-gallon unit can quietly reach the end of its life. We diagnose, repair, and replace gas, electric, tankless, and heat-pump water heaters across San Anselmo, sizing each system to the home and bringing it up to current California code.

Why San Anselmo Homeowners Choose John Owens

  • Family-owned and California-licensed (CA #501853) since 1986, with a 4.9-star Google rating and happy customers from Marin and Sonoma homeowners
  • Same-day service when a tank fails or leaks — important when the heater sits in a finished garage or near the creek where water damage spreads fast
  • Honest sizing advice for San Anselmo's smaller older homes: we'll tell you when a right-sized tank beats an oversized one, and when tankless genuinely pays off
  • Experienced with tight retrofits — wall-hung tankless installs that free up closet space, plus code-required seismic strapping and proper venting
  • Familiar with the local electrification push through MCE, so we can walk you through heat-pump water heater options and available rebates
  • One licensed crew handles the gas, water, and electrical work, so a tankless or heat-pump conversion is done right and permitted in a single visit

Signs You Need Water Heater Repair & Installation in San Anselmo

  • Rusty, metallic, or discolored hot water — often the first sign sediment and corrosion are eating an aging tank in our hard-water area
  • Popping or rumbling sounds as the burner fights through a layer of hardened mineral sediment at the bottom of the tank
  • Water pooling around the base or dampness on the garage or crawlspace floor, which near the creek can turn into a bigger problem quickly
  • Hot water that runs out faster than it used to, or never gets fully hot — common with undersized or end-of-life units
  • A unit more than 10–12 years old, especially if it has never had the anode rod or thermostat checked

Frequently Asked Questions

How much does water heater replacement in San Anselmo cost?

It depends on the type and size — a standard gas tank swap differs from a tankless or heat-pump conversion that needs new venting or electrical. We give clear, upfront pricing after seeing your setup, and as a licensed contractor (CA #501853) every install is permitted and code-compliant.

Is a tankless water heater worth it for an older San Anselmo home?

Often yes — wall-hung tankless units free up closet or garage space in our smaller Ross Valley homes and deliver endless hot water with lower standby loss. We'll confirm your gas line and venting can support one before recommending it.

Can you provide same-day water heater repair in San Anselmo?

Yes. We offer same-day service across San Anselmo for leaks and no-hot-water emergencies, which matters when a tank sits in a finished garage or low space near San Anselmo Creek where water damage spreads fast.

How long do water heaters last with Marin's water?

Most tank units last 8–12 years, but the mineral content in Marin Municipal Water District water accelerates sediment buildup and corrosion. Annual flushing and an anode-rod check extend that life, and we include both with maintenance.

Proudly Serving Marin & Sonoma

From the Marin coast to Sonoma wine country, we bring honest plumbing, heating & cooling to homeowners across both counties — based locally since 1986.

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Schedule service with our trusted local team today.

Serving Marin & Sonoma Counties

Good plumbing, heating, and air conditioning systems are vital in every North California home. John Owens Services, Inc. is proud to be the expert plumbing company you can count on