Customer Reviews

“Darren was fantastic! Called, set up time, called back, came by to look, went to get parts, came back on time as scheduled & fixed the leak! All this in one day! Courteous, clean, better price than another plumber & did the job with a great attitude! Definitely will be my forever plumber!!”
– Susan A.
“Customer service was excellent. Darren answered my calls – or responded quickly if I ended up with voice mail. He communicated clearly and explained every step. I would recommend this company for both furnace and water heater replacement.”
– Ariana S.
“We are extremely pleased with Darren’s understanding and ability to fix our solar hot water issue. He did a first class job We will recommend him to anyone.”
– Carol M.
“I just would like to say thank you, Darren is a very honest men . Next time that you or any one need a honest men call Darren.”
– Jose D.
“Knowledgeable friendly explained all options very professional will use again if necessary and will recommend to friends”
– Ada B.
“Very prompt, took care of replacing my sump pump which was no easy task. Very pleasant, very knowledgeable.”
– Dan P.
“Darren exhibited great depth of understanding about my concerns & quickly fixed the problems I initially called him for. With great knowledge, he discussed a looming problem with my water heater and fully explained the remedies I could choose among. He offered solutions but did not pressure me into anything. A few days later he called to check up on the fixes he’s made to my faucets and asked me if I thought about the water heater issue. With a sense of being in very good hands, I had him over again to replace my ailing water heater, the one with all the gross gunk on the inside. He’s a GREAT plumber! I’ll definitely use him again.”
– Barbara G.
“Darren kept me advised during the diagnosis of the problem and explained (with pictures) what the issues were the old galvanized pipes under the house and what needed to be done to fix them. One of the fixes was to replace about 10-12 ft. of pipe under the house. Yikes he had to do this in a tight crawl space. Loved the 10 year parts and labor warranty. Wouldn’t hesitate to recommend him!”
– Shirley D.
“Darren was great, he called me right away and called before he came over. He analyzed the job and told us what was needed and completed the job on Monday. I would definitely use this company again.”
– Margo L.
“Excellent service and responsiveness. Darren did a great job installing a new one-piece toilet and also addressed another plumbing issue during his visit.”
– Nancy A.
“Great job overall. He was on time had a good price was able to diagnose correctly and quickly.”
– Nader A.
“Very nice guy! He unclogged my drain and gave good advice, as well…”
– Michael C.
“I learned of Horizon through a friend. Darren came today to replace a disposal and related piping etc. We were impressed with the cost and quality of the replacement as well as Darren’s skill and communication. Two of the bigger companies would not give me even an estimate by phone of what it might cost to replace a disposal based on a specific brand and model I was considering without first coming to my home ‘for an “evaluation” that was going to run me over $150. Texting a photo of my old set up and description of the type of new disposal I wanted, Darren quoted me the cost for his labor, the replacement AND offered a 7 year warranty on both. I was happy to give the job to a Marin small business owner. “
– Mary V.
“Professional service..excellant work..fair price..will recommend Darren to my neighbors “
– Marian M.

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