Professional & Licensed Plumbing Services in Alamo CA
Alamo’s premier, full-service plumbing company licensed, bonded and insured.

Anyone that owns a home understands that plumbing issues can never be foreseen. Our professional plumbers deliver fast, dependable service whether clearing a drain or installing a tankless water heater.
In addressing issues with plumbing systems such as water heaters, faucets, sinks, toilets, bathtubs, showers and garbage disposals, Guaranteed Plumbing carefully assesses the situation, makes an accurate diagnosis, and fixes the problem correctly the first time.
Guaranteed Plumbing offers full service commercial plumbing installation and maintenance. No other company is trusted or recommended more in Contra Costa and Alameda Counties. RFP Quick Quotes!
We are a full-service plumbing company that is licensed, bonded and insured and fully-versed in city codes; preferred vendor of Alamo and a certified installer for Takagi Noritz tankless water heaters. Count on Guaranteed Plumbing for all your plumbing repair and service.


Forget the snake! Now we have our very own Hydrojetter! Call us when you need your lines cleared out!
A hydro jetter is a vastly better pipe cleaner compared to a snake. Hydro jetting can completely remove any blockages as opposed to punching a smaller hole like a snake will. A hydro jetter also will clean the entire pipe instead of just removing blockages.
Testimonials
Plumbing Specialists since 2003
We offer plumbing services and solutions for every type of issue – from common clogs to a full mainline replacement.
We just used Guaranteed Plumbing this past week based on other recommendations on this site and found them very helpful and reasonable. They showed up early, did the work and I thought they did a great job (they ran gas & install logs). Also, got gas logs for Patio and Fireplace.

Jacob B.
CustomerGuaranteed Plumbing (in Danville) did all of our outside work and I think they did a great job. I worked mostly with Damon and he was great start to finish.

Michael T.
Customer…I second that - they were great and reasonably priced

Olga B.
CustomerYour service department did a great job at my home cleaning out the sewage line. The service tech had a great attitude, and was very patient as he looked for my cleanouts which were covered by landscaping. Due to your work we got things back to normal within the evening

William Cox
CustomerI am one of their loyal customers and have recommended their services to my friends because of the prompt and courteous service that their plumbing team provides and the high quality of workmanship I can expect every time.

Maria Anderson
CustomerServing Lafayette, Danville, Alamo, Orinda, Moraga, Walnut Creek, Blackhawk, Diablo, San Ramon, Concord and Pleasant Hill as well as Contra Costa and Alameda Counties
Useful Information for Alamo CA
Named for the poplar trees that lined San Ramon Creek, Alamo is an unincorporated community. It has a long history with people having occupied the area for upwards of 5,000 years.
Started in 1852, the Alamo Post office is oldest continuously run post office in the San Ramon Valley. In its early years, the first postmaster, John Jones, would hitch up his horse and cart to make a round trip through the valley twice weekly. Meanwhile, his wife Mary wrote some of the earliest recollections of the area.
Closely associated with Danville, Alamo offers residents a life in the countryside but with lots of parks, restaurants and shops.

Following are additional sources of information about Alamo
Tri-Valley Chamber of Commerce
117 Town and Country Drive, Suite E
Danville, CA 94526
925-837-4400
https://www.trivalleychambers.org/
Alamo Library – see
Danville Library (2.5 miles)
400 Front Street
Danville, CA 94526
(925) 837-4889
https://ccclib.org/locations/9/





