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Top-Rated Water heater pros in Lagunitas-Forest Knolls - Updated Nov 2026

Avatar for Moore Home Services
Moore Home Services
4.4(
225
)
Water Heater - Install or ReplaceTankless Water Heater - InstallTankless Water Heater - Repair+1 more

Serving Lagunitas-Forest Knolls, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"Was selling my apartment and wanted to service heater prior to listing. Moore provided great technicians who tried everything they could to reset and fix some mechanical issues. Provided lots of info and updates while they worked, showed me everything they were doing, where problems were, etc. In the end, the heater was too far gone and a whole replacement was recommended. Moore was able to schedule the replacement within a week. Whole project was completed in 4.5 hours and came in under their initial estimate. 10/10 would recommend them to all friends and family."
After 1
 View 1
 Right Side View
Perfect Retrofit
After 2

+15

27 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for DOKE'S PLUMBING HEATING & COOLING
DOKE'S PLUMBING HEATING & COOLING
5.0(
5
)
Water Heater - Install or ReplaceTankless Water Heater - RepairWater Heater - Repair or Service+1 more

Serving Lagunitas-Forest Knolls, CA and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

DOKE'S PLUMBING HEATING & COOLING is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have years of hands-on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

AC System
Testing
Water Heater
Water Heater Install
Heat Pump

+13

50 neighbors recently requested a quote
Avatar for Green Core Heating & Air
Green Core Heating & Air
5.0(
8
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Lagunitas-Forest Knolls, CA and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"Green Core HVAC was awesome to work with! The team did a great job helping us pick the perfect AC unit for our home. They showed up on time, got the new AC installed quickly, and left the place spotless. Our house is cooler and more comfortable than it’s ever been. You can tell these guys really care about doing a great job. I’d 100% recommend Green Core to anyone needing AC work. Super professional, super friendly, and they really know what they’re doing!"
Air Conditioning Install
Harvest Thermal
Harvest Thermal
7 neighbors recently requested a quote
Avatar for GOLDENLINE PLUMBING LLC
GOLDENLINE PLUMBING LLC
5.0(
15
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Lagunitas-Forest Knolls, CA and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

"This company replace my water heater, and sink problems with leaking pipes,I am very satisfied with my overall experience with this company, before I agree to do the job with them staff was very friendly, professional and happy to answer all my questions, price was very fair and budget friendly, job was do very fast, very professional and clean , I recommend their services to everyone, you will not get disappointed."
Tankless Water Heater
House Filtration System
Earthquake Valve Install
Roman Tub Faucet
My jobs

+5

2 neighbors recently requested a quote
Avatar for Abdel's Home services
Abdel's Home services
5.0(
9
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessWater Heater - Install or Replace+1 more

Serving Lagunitas-Forest Knolls, CA and surrounding areas

Approved

Hi, I’m Abdel, owner of Abdel’s Home Services. I’ve been providing residential repair and installation services for several years, helping homeowners with everything from small fixes to detailed improvement projects.\nI serve the Bay Area and surrounding communities, and I’m willing to travel locally for the right project. My specialties include TV mounting, door adjustments and installations, cabinet installation, drywall repair, fixture replacements, hardware installation, and general home repairs.\nClients hire me because I focus on quality, precision, and clear communication. I show up on time, protect your home, and make sure the work is done properly — not rushed. My goal is to leave every homeowner satisfied and confident in the results.\nI look forward to helping with your next project.

Avatar for Peter Levi Plumbing, Inc.
Peter Levi Plumbing, Inc.
4.9(
9
)
Tankless Water Heater - RepairTankless Water Heater - InstallWater Heater - Install or Replace+1 more

Serving Lagunitas-Forest Knolls, CA and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Credit card accepted

"Elsy ( I believe she was the plumber from your company via Angi) arrived as scheduled, on Saturday, 09/28/2024. She attempted to repair my garbage disposal unit but was unable to do so as the unit's wiring was worn out. I advised the unit is 40 yrs old. She recommended to purchase a new one. We made a trip together to the local Home Depot store and I purchased the same brand s she recommended. She installed it in record time (within the 2.5 hrs) and completed the job. She also cleaned the work space and carried the old one to my recycling bin. Very satisfied with her work. Also, I want to know if I will receive a billing statement for my records? Thank you for your time & assistance."
My jobs
My jobs
My jobs
My jobs
My jobs

+1

Response time2 days
4 neighbors recently requested a quote
Recommended by60%of homeowners
Avatar for GoFlow Plumbing
GoFlow Plumbing
5.0(
7
)
Water Heater - Install or ReplaceTankless Water Heater - InstallWater Heater - Repair or Service

Serving Lagunitas-Forest Knolls, CA and surrounding areas

Approved

Free estimates

Emergency services offered

Small jobs welcome

Your plumbing problem becomes our problem to solve.\n\nThat’s not just a tagline, it’s how we operate. When you call GOFLOW, you’re getting a team that knows this area, knows plumbing, and genuinely cares about doing the job right.\n\nWe’re not a franchise. We’re not a call center routing you to whoever’s available. We’re a local company built by plumbers who got tired of watching customers get treated like transactions instead of people.

Kept existing config
Min visual impact
Moen Flo Install
Backflow Preventer
Backflow Preventer

+2

35 neighbors recently requested a quote
Avatar for Peter Levi Plumbing, Heating, Cooling, Drains
Peter Levi Plumbing, Heating, Cooling, Drains
3.0(
13
)
Tankless Water Heater - InstallTankless Water Heater - RepairWater Heater - Install or Replace+1 more

Serving Lagunitas-Forest Knolls, CA and surrounding areas

Approved (Corporate)

In business since 1990

Free estimates

Warranties offered

"The water heater repair was $400 and they wanted to charge us the $300 for the bathroom leak, but we told them it was ridiculous because the guy was only here for 5 minutes. They ended up crediting us some money back so they handled that really well. Less than 2 days later the water heater broke. They did not send out the same guy. They guy they sent out was really great, he walked us through every minute and dime he spent. He told us not to worry and that we were getting our money's worth. We've used them many times over the last 7 years. Once it was Christmas Eve and the hot water heater was having problems and they came out and repaired it for free. Then there was another time that I needd a $6,000 repair and I didn't have time to get estimates, but I trusted their work. The work has been quality, I think in the future with them I will ask them upfront for an assessment and not pay them until they start doing the work."
10 neighbors recently requested a quote
Recommended by70%of homeowners
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Showing 1-10 of 87
Water Heaters FAQs, answered by experts

Due to the high temperature, using stainless steel vent pipes for your tankless water heater’s exhaust vent is best. Also, it is safe to use a flexible vent duct as the exhaust fan. If installing the exhaust fan yourself, make sure you are using heat-resistant silicon to connect the exhaust vent and the duct on your water heater.

The amount of time it takes to replace an electric water heater will depend on the skill level of the individual who is replacing it. For example, if you replace it yourself–and you don’t have much experience–you can expect the project to take a full day. 

However, if you have a certified plumber or water heater contractor install your new water heater, it can take as little as 2 to 3 hours.

Most hot water heater manufacturers recommend replacing the anode rod about once every three to five years. Anode rods sacrifice themselves by collecting iron, limestone, and other minerals that would otherwise corrode your hot water heater tank. This abuse wears them out long before your water heater does. Check the rod when you remove it and replace it if more than 50% of the metal has been consumed. Check the rod more frequently if you have hard water or use a water softener. 

You can and should vent the gas from your hot water heater to the outside of your home. Traditionally, these gases were vented back to other gas appliances, like stoves or furnaces, but many jurisdictions have outlawed this practice due to the risks it provides. 

Most water heaters today use atmospheric venting that exhausts the gas out of the home through a pipe.

Gas water heaters last between eight and 12 years on average. You can help them reach their maximum lifespan with regular cleanings, maintenance, and professional checkups, though don’t hesitate to swing for a full replacement if the total cost of repairs is greater than that of purchasing and installing a new unit. 

The Lagunitas-Forest Knolls, CA homeowners’ guide to water heater services

From average costs to expert advice, get all the answers you need to get your job done.