Water heater leaking or not heating?
Explore repair or replacement for your gas or electric tank water heater.
Learn moreBAY AREA WATER HEATER & FILTRATION SPECIALIST
Reliable hot water.
Better water
at home.
Water heater repair, replacement, and whole-home filtration. Straightforward options from a local, owner-operated specialist.
Serving Marin · Sonoma · San Mateo
Your local water specialist.Marin · Sonoma · San Mateo
Licensed contractor CSLB #1150297
Navien certified Level 2 & 3 training
Local service Three Bay Area counties
WHAT YOUR HOME NEEDS
What can Reliant
help you with?
Replacing an aging heater or improving your water? Start with a solution that fits your home.
Running out of hot water?
Explore a tankless system sized for your household with a Navien-certified specialist.
Learn moreHeat-pump water heaters
Explore a heat-pump water heater upgrade.
Learn moreWater taste or smell off?
Compare whole-home filtration options for your water concerns.
Learn moreFROM RELIANT CUSTOMERS
Good work.
Happy homeowners.
“I called and got my leaking water heater replaced on a holiday weekend. My technician, Eli, was extremely efficient and friendly.”
“Great service, friendly from the quote through answering all our questions. Eli was very knowledgable, worked quickly and provided a quality installation. Would recommend.”
More customer reviews
“The entire process was easy and professional. Highly recommend.”
“Had a great experience with Eli.”
WHOLE-HOME FILTRATION
Skin feel dry?
Hair feel rough
after showering?
Your water may be worth a closer look. Reliant can help you choose filtration or softening options based on your home’s water.
- Taste and odor concerns
- Shower comfort, dry skin & hair concerns
- Filtration, conditioning, and softening options
- Installation and maintenance explained
MANUFACTURER TRAINING. HANDS-ON EXPERIENCE.
Navien certified.
Ready for your home.
Reliant’s installer completed Navien Level 2 & 3 training in installation, operation, and service on August 20, 2026.
- Navien installation, operation & service training
- Tankless installation and troubleshooting
- California CSLB #1150297
NAVIENLEVEL 2 & 3Installation.
Installation.
Operation.
Service.
Training completed August 2026
View certificate of completionRELIANT IN THE FIELD
Real work.
Local homes.
A look at Reliant’s water heater service and installations.
LOCAL TO YOUR HOME
Local service across the Bay Area.
Water heater and filtration service in Marin, Sonoma, and San Mateo counties.
Call or text to confirm availability at your address.
BEFORE YOU CALL
A few useful answers.
Can I send photos for an estimate?
Yes. Text photos of the unit, its label, and the surrounding connections, along with your city and what you need. A site visit may be needed to confirm the scope.
Do you repair water heaters as well as replace them?
Yes. Reliant provides troubleshooting, repair, and replacement. The recommended next step depends on the condition of your equipment.
Which areas do you serve?
Marin, Sonoma, and San Mateo counties. Contact Reliant to confirm service availability for your address.
Will whole-home filtration soften my water?
Filtration, conditioning, and softening serve different purposes. Ask what a particular system is designed to address before choosing it.
CALL OR TEXT RELIANT
Ready to get
it taken care of?
Call to discuss your project, or text your city and photos of the current system for an estimate. Reliant will confirm the scope and appointment availability.