Heating, Plumbing & Air Conditioning in Contra Costa County Since 1974

50 Years in Business

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Plumber in Walnut Creek, CA

Stewart Heating and Air Conditioning offers a full range of home plumbing services in Walnut Creek, CA to meet all of your household needs. We will send a fully trained plumber to your home with a truck stocked with parts, which means that the repair can be done right then and there. This saves you time and money. We are the plumber in Walnut Creek, CA that you can count on!

Clogged Drains

One of the most aggravating problem a homeowner can face is a house full of stopped up toilets and clogged drains. A simple clog in the drains could affect the plumbing throughout your entire house. We provide professional drain cleaning services in Walnut Creek, CA that can repair problems and prevent future complications.

Water Heater Repair & Replacement in Walnut Creek

We can help you keep the water in your home comfortable! We replace & repair water heaters. Regardless of the type or brand, you can rely on us for a successful change out.

Water heater repair can be dangerous for inexperienced homeowners, so call Stewart Heating and Air Conditioning for water heater repair, maintenance or replacement.

Not sure whether your water heater needs to be repaired or replaced? Call us and we will provide a professional recommendation on which services are necessary to get your equipment working again and how you can better maintain your water heater.

Home Plumbing Services

We offer a full range of residential plumbing services, and we are committed to providing professional, honest and affordable service. Call Stewart’s and our licensed & professional plumbing experts can provide solutions for all of your plumbing needs, including:

So whether your plumbing needs are simple or complex, we can help! 
Stacey K.
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I had an upper lateral blockage in the evening and they were able to come out the next morning. The service person, Terry, showed up right on time 1st thing in the morning. After fixing my problem and cleaning up all the messy overflow, he advised me to watch for potential problems. He then offered a discounted rate to add an earthquake gas turn off valve since he was already out on the service call. I had some other issues and took the opportunity to have him fix 3 other items. I have used Stewart Heating and Air for installation of my A/C last year and was very impressed with their workmanship. They are professional, flexible and do not gouge on pricing. I will use them for most of my HVAC and plumbing needs in the future.


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