#1 Trusted California Water Heater Services
Professional installation, replacement, and repair across California — from the Bay Area and Wine Country to Los Angeles, Orange County, and Ventura County. Licensed, background-checked, and code-compliant technicians.
Home › Service Areas › California
Authorized Dealer of Top Water Heater Brands
California Water Heater Services
A reliable water heater is essential for everyday comfort, hot showers, and household efficiency across California. Our experienced, company-employed technicians operate out of our Richmond (Bay Area) and Santa Fe Springs (Los Angeles) service centers — serving Northern and Southern California from Napa’s wine country to Orange County and the Inland Empire.
Licensed & Insured
Statewide CA contractor, always code-compliant.
Fast Response
Same-day installation available statewide.
Flexible Financing
Low interest credit options starting at $24.99/month.
Trusted Since 1984
Thousands of 5-star reviews across California.
California Water Heater Service Areas
From Napa’s wine country to San Diego’s coast — fast, reliable service in every major California metro.
Northern California
San Francisco
SF & the Peninsula
View service area →
Silicon Valley
San Jose & South Bay
View service area →
East Bay
Oakland, Berkeley, Fremont
View service area →
Wine Country
Napa, Sonoma, Marin
View service area →
Southern California
Water Heater Services We Offer Across California
Whether you need a quick repair, a full replacement, or a brand-new tankless install — our California crews have you covered.
Water Heater Replacement
Same-day installation available across California. Tank, tankless & heat pump.
Water Heater Repair
Fast diagnosis and expert repair for tank and tankless units statewide.
Tankless Service
Specialized tankless install, maintenance, and repair to keep units efficient.
Emergency Service
Leaking or failed water heater? Our California crews respond quickly.
California Water Heater Requirements & Codes
California has some of the strictest installation codes in the country. Every Fast Water Heater install meets current California Plumbing Code and Mechanical Code standards — permits pulled, inspections scheduled, done right the first time.
Code Authority
- CPC (Title 24, Part 5) and CMC (Part 4) govern water heater installation statewide.
- Local amendments may apply (LA, SF, etc.) — we pull the correct permits for your jurisdiction.
Seismic Strapping
- Approved seismic straps/bracing required statewide since 1991.
- Installed on both the upper and lower third of the tank.
Location Restrictions
- Gas units prohibited in bedrooms, bathrooms, or their closets (unless direct-vent).
- Garages: burners ≥18 inches above floor (unless flammable vapor resistant).
- Attics/under-floors: watertight drain pan and accessible passageway required.
Venting & Combustion
- Proper venting to outdoors (Type B/L vents for gas) to prevent CO buildup.
- Clearances from combustibles per manufacturer instructions.
- Termination: ≥5 ft above draft hood; ≥3 ft above air inlets.
TPR Valve
- Required on all storage tank units.
- Discharge pipe: full-size, no valves/traps, gravity drain to approved location.
- 6–24 inches above ground/floor, pointing down.
Emissions & Air Quality
- BAAQMD pushes low/zero-NOx emissions for Northern California.
- SCAQMD enforces low-NOx standards across Greater LA & OC.
- Title 24 energy standards apply statewide.
Always Code-Compliant. Always Done Right.
Learn more: BAAQMD • SCAQMD • California Title 24
Why California Homeowners Choose Fast Water Heater
Every California home deserves reliable hot water. Here’s why homeowners across the state trust Fast Water Heater for installation, replacement, and repair.
Tank, Tankless & Heat Pump
Expert installation and service for every major California water heater type.
No-Obligation Estimates
Every California home is different. We visit on-site for accurate, transparent pricing.
Licensed & Background-Checked
Every tech is a full-time Fast Water Heater employee — never a subcontractor.
Flexible Financing
Low interest credit options starting at $24.99/month. Often zero down, with fast approval. Tank, tankless, or heat pump.
What California Homeowners Are Saying
Real reviews from real customers across California.
Types of Water Heaters We Install
Not sure which water heater is right for your California home? Our technicians install all three major types across NorCal and SoCal, and can help you navigate CEC standards, local air district rules, TECH Clean California, BayREN, and utility rebate programs from PG&E to SDG&E.
Standard Tank
Gas or electric storage-tank units remain the most affordable replacement where regulations allow. A straightforward same-day swap for an existing 40- or 50-gallon unit.
- Best for: Budget-conscious replacements
- Lifespan: 8–12 years
- Note: Check local air-district rules
Tankless
On-demand gas tankless units (Navien, Rinnai, Noritz) save space in coastal condos and deliver continuous hot water for larger inland homes — popular statewide with gas service.
- Best for: High-demand households
- Lifespan: 20+ years
- Footprint: Wall-mounted, ~80% smaller
Hybrid Heat Pump
Heat pump water heaters are the go-to efficient electric option across California — they meet air-district NOx rules, qualify for TECH Clean California, and stack with utility rebates statewide.
- Best for: Electrification, long-term savings
- Lifespan: 13–15 years
- Rebates: Often $1,000–$4,000+ stacked
Still deciding? Talk to a California technician for a free, no-pressure recommendation based on your home and utility provider.
California Communities We Serve
Fast Water Heater proudly serves homeowners across the Bay Area, Los Angeles, Orange County, Ventura County, and the San Fernando Valley. Cities with links have dedicated service pages — those without are still within our service area. Contact us for service anywhere we operate.
Northern California · Bay Area
North Bay & Wine Country
- Fairfield
- Mill Valley
- Napa
- Novato
- Petaluma
- Santa Rosa
- Sonoma
- Vallejo
East Bay
SF & Peninsula
- Burlingame
- Daly City
- Foster City
- Half Moon Bay
- Menlo Park
- Palo Alto
- Redwood City
- San Francisco
- San Leandro
- San Mateo
South Bay & Silicon Valley
- Campbell
- Cupertino
- Morgan Hill
- Mountain View
- San Jose
- Santa Clara
- Saratoga
- Sunnyvale
Southern California
Los Angeles County
San Fernando Valley
Orange County
Ventura County
Don’t see your city listed? We likely still serve it — reach out for a free estimate.
Serving California Communities Statewide
From the Golden Gate Bridge to the sunny shores of San Diego, our expert technicians are ready to help with all your water heater needs. Get a free, no-obligation estimate today.
California Neighborhoods & Surrounding Areas We Serve
California Regions We Serve
- San Francisco Bay Area
- Los Angeles County
- Orange County
- San Fernando Valley
- Ventura County
- , & East Bay
- Silicon Valley
- Peninsula
- North Bay
- Santa Clara Valley
- Coastal OC
- Conejo Valley
Counties We Cover
- Sonoma County
- Napa County
- Solano County
- Contra Costa
- Alameda County
- San Mateo County
- Santa Clara County
- Marin County
- San Joaquin
Wider California Coverage
- Northern California
- Central California
- Southern California
- Greater Bay Area
- Greater Los Angeles
- Inland Empire edge
California Water Heater FAQs
Answers to the questions , homeowners ask us most.
Don’t see yours? Call us at the number above or request service online.