Water Heater Repair & Replacement in Cotati, CA

When a water heater fails in Cotati, it disrupts the entire household. Action Plumbing carries common water heater parts and replacement units on our trucks, making same-day repair or replacement possible for most Cotati service calls. We service all brands of tank and tankless water heaters.

Water Heater Services in Cotati

Water heater diagnosis and repair (all brands)
Same-day water heater replacement
Tank and tankless water heater installation
Anode rod replacement
Sediment flushing (important in Cotati due to hard water)
Pressure relief valve replacement

Water Heater Pricing in Cotati Area

Every job is quoted upfront, in writing, before work begins. Free estimates on replacement. Diagnostic fee credited toward repair.

Why Cotati Homeowners Choose Action Plumbing

We’ve served Sonoma County since 1970. Cotati residents choose us because we diagnose accurately, quote honestly, and repair with integrity. Our Google reviews and Yelp reviews reflect decades of honest service since 1970 — and a CSLB license (#325110) you can verify.

We’re 9 miles from Cotati with typical drive times of 15–20 min. For emergencies, we dispatch immediately.

Same Service Available in Other Cities

View our full Cotati services page or the Water Heater Repair service page.

Frequently Asked Questions

How quickly can you repair a water heater in Cotati?

We serve Cotati from our Santa Rosa base, typically arriving in 15–20 min. Same-day water heater repair and replacement is available for most Cotati calls.

Why does my Cotati water heater have sediment buildup?

Sonoma County water has moderate hardness. Over time, minerals settle at the bottom of the tank, causing rumbling sounds and reducing efficiency. Annual flushing extends tank life significantly.

Should I repair or replace my Cotati home's water heater?

If your unit is over 10 years old and the repair is a large fraction of a new unit’s price, replacement often delivers better long-term value. We give honest assessments — we won't push replacement if repair is the right call.

Do you install tankless water heaters in Cotati?

Yes. Tankless water heater installation is one of our most popular services in Cotati. See our tankless installation page for details and pricing.