1. Alligator Plumbing

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Castro Valley, CA

Alligator Plumbing

4.9 (175 reviews)
Closed • 8:30 am - 5:00 pm

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Response time

30 minutes

Response rate

100%

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4 months ago

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7 days ago

Alligator Plumbing are fantastic! They are very friendly, professional and always on time.

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2 months ago

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2 months ago

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Farrah A.

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21 days ago

They are on time and very professional. They worked with me to solve the problem with shower faucet.

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3 months ago

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3 months ago

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5 months ago

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Farrah A.

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6 months ago

Easy to communicate with. Jaime is very professional and helpful with our questions. Thank you, Jaime!

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3 months ago

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7 months ago

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Farrah A.

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4 months ago

Alligator is my go-to for plumbing. Great service, personable, friendly and reliable. Always great work!

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1 year ago

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11 months ago

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2 years ago

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Halley D.

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6 months ago

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1 year ago

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1 year ago

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2 years ago

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Halley D.

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9 months ago

I highly recommend Alligator Plumbing. They are reliable and honest. They're great to work with!

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Farrah A.

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1 year ago

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1 year ago

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11 months ago

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10 months ago

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1 year ago

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2 years ago

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Halley D.

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2 years ago

They are excellent! Great staff who know what to do and are respectful of property and cleaning up afterwards. Very happy!!

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Halley D.

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1 year ago

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1 year ago

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1 year ago

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8 months ago

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2 years ago

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2 years ago

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1 year ago

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3 years ago

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2 years ago

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4 years ago

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3 years ago

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3 years ago

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3 years ago

These guys are awesome. Very responsive and definitely get the job done. The incredibly helpful when I twisted a water line off (oops).

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Review Highlights - Alligator Plumbing

“Jason, the owner was very reassuring regarding the issue and our concerns and accommodating in setting the appointment.”

Mentioned in 94 reviews

Read more highlights

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After being away from my Bay Area home for a while, I came back, and the water was cold. Not…read morepleasant at all! I called Water Heater Doctor based on a rec from a friend and I am so glad I did. It was easy to get an appointment that fit around my schedule, and the scheduler was so nice and understanding. Pete came by and knew exactly how to fix my water heater. It is clear Pete has A+ plumbing knowledge and I highly recommend anyone ask for him when they are in need of a repair. I also appreciated Pete was on time and gave me a call 10 minutes prior to arrival to let me know he was coming. Upon inspection of the issue, Pete provided me with a reasonable quote, along with a step-by-step explanation of what would happen next so that the repair could take place. You know I said YES to it all since I needed my hot water back. Pete was definitely the doctor my water heater needed.

Great experience with the Water Heater Doctor. I believe I talked to Jason and/or Cody. Very…read moreprofessional, informative, responsive, with clear upfront competitive pricing. There was a bit of uncertainty with our situation since the leaking from our water heater had started to cause the wood beneath it to deteriorate. It was probably hard for them to quote us for that part because I guess it's not a typical situation. The repair estimate for the wood repair was hard for us to swallow so they worked with us to bring it down if we supplied the materials. The plumber they sent out went above and beyond to address the wood situation on a budget. I got a ton of quotes and talked to a bunch of outfit, including the plumber I used for my last job. After everything, I'd say that for a straight up water heater repair, these guys are my top choice. Very happy with my experience.

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We were replacing a gas water heater with a hybrid electric heat pump water heater. Generally, this…read moretype of heater costs twice as much (price and installation) as a traditional electric water heater, but costs a lot less to run (and therefore you recoup the additional cost in a few years from lower operating costs). I had a very easy experience getting an on-site quote. I received 3 quotes for this job. 2 quotes, including this one, came in around $7100. I went with a third one at around $6700 (which included an additional mixing valve) and am very happy with my decision. Overall price was not a big part of my decision, but brand of water heater was. After doing some research online, the most recommended brands are AO Smith and Rheem (GE). Both higher quotes were for Navien, which has only been making heat pump water heaters for 1 year, but I was told that it is the most reliable brand. I did not understand how this claim could be made, given how short the duration of evaluation for this product. Even the worst appliances usually work for at least a year. So I requested a quote for AO Smith or Rheem, which I did not get. I'm not sure why my brand request was not honored, but it made me question whether I should go with a company that either has communication issues or maybe some type of deal with Navien that I was not informed about. Many water heater installers are preferred installers of certain brands, which means they can get better pricing, etc. I did not want to be a guinea pig for Navien.

Bay Area Water Heaters - Perfectly installed commercial water heater.

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We used this company in July of 2026 and they were great. We had been smelling a slight gas smell…read morein our garage for a number of months. The smell was not consistent. It only occurred when the weather was hot. Basically, only summer afternoons. We had PG&E come out repeatedly and they could not find the source. We spoke with plumbers and other heater repair companies. All of them told us that it was not our heater; that we were wrong about the inconsistency of the smell. That gas leaks are only consistent and would not happen only when it was hot. We were told that we must be wrong. We felt like we were going crazy. Until we called Bay Area Water Heaters and Dave came out (with a whole crew). He took the time to inspect our heater and said yes, this slight gas smell on hot days is something he had heard of. It was likely due to an old valve within the control panel. He walked us through our options but ultimately suggested replacing the entire heater. His team was able to do the job right then and there and at a reasonable rate. It was completed within the hour. And sure enough, no more gas smell in our garage. Dave and his team were amazing and incredibly professional. We will be using this company again.

The owner, Chris, showed a complete inability to control his emotions and yelled at me over the…read morephone during a routine customer service call. I had scheduled a service appointment and needed to cancel. I understand that cancellations impact a schedule, so I remained completely calm and polite throughout the conversation and paid their full cancellation fee immediately without hesitation or dispute. Despite complying with their policy right away, the owner became hostile. He lost his temper, raised his voice, and berated me for how much the cancellation hurt his business. A cancellation fee is meant to cover lost time--it is not a license to yell at and lecture paying customers who are speaking respectfully. Handling ordinary business interactions with this level of aggression and emotional volatility is completely unacceptable. I would strongly advise against dealing with an owner who treats customers this way.

Alligator Plumbing - plumbing - Updated October 2026

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