Tatiana P.
8/6/2025
The plumber was quick and professional. Fixed my leaky shower under an hour and paying was easy through the online invoice.
Klaus & Sons Plumbing, Heating & Air Conditioning
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5623 Arrow Hwy
Montclair, CA 91763
Klaus & Sons has provided quality plumbing, heating and air-conditioning services to the Inland Empire and since 1973. Our customers can expect an exceptional experience from the moment our friendly customer service representatives answer the phone. Factory-trained, licensed technicians with fully-stocked service vehicles provide guaranteed quality service on every installation and repair.
Reviews
4.5271 reviews
Farhod A.
12/5/2025
These crooks will only make your blockage worse so they can charge you thousands more. They were paid $580 to clear a drain. After an entire day fixing their broken equipment in our driveway,...
Kathy J.
12/1/2025
This company has been known in Upland to be one of the most qualified honest companies. It no longer is like that it's overpriced. The service technicians do not do a good job. Had to have them...
Cathy V.
6/18/2025
Nothing like toilet bubbling and shower backing up first thing in the morning. Called and way able to get Andrew out in 40 mins. Fixed in a timely and professional manner. Andrew left bathroom...
Fred S.
10/16/2025
James was diligent and thorough with his work. He did not rush or cut corners to complete his work. He made sure all my requests were resolved in a reasonably timely manner and even remembered...
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