Yahoo
Truck parked out front.
Mike Diamond Services employees are seasoned professionals committed to customer service, and smelling good!
Tech Gregario absolutley demolished our wall under the water heater an promised to repair it as though nothing ever happened
A picture of the stub out with human feces all over the front lawn.  What you can see are all the flies and bad smell.
Newest homeowner problem
Opened up my wall for nothing
Inside the cabinet was folded when I came home because the idiot put in the casket the wrong way and did not even notice it
Mike Diamond Services Plumbing

We're on call 24 hours a day, seven days a week. So whenever you have a plumbing, heating or air conditioning problem, we're ready to help.  100% Satisfaction Guaranteed! If you are not completely satisfied with our installation or service repair, we will do the job again to your satisfaction for Free. Your call will be answered by a live person (we don't hire machines) 24-hours a day, 7-days a week. In addition to plumbing, our technicians are trained in the fields of drain cleaning, heating, air-conditioning and electrical work. Mike Diamond Services has been serving Los Angeles, Orange, San Bernardino and Ventura counties for over 35 years.

Website: mikediamondservices.com

Phone: (888) 890-9192

Open now

  • Sat Open 24 Hours

Garden Grove, CA 92843 ·2174.23 mi

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Reviews

yelp
1.5 484 reviews
5 star
31 4 star
11 3 star
7 2 star
25 1 star
410
Tom R. 08/14/26

I realize that this company has very bad Yelp ratings, but I just had a very good experience. My regular plumber was unavailable and I needed service quickly, so I thought I'd give big plumbing...

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Alexa I. 06/10/26

We had called Mike Diamond plumbing to troubleshoot a clogged kitchen sink because we saw their sticker on our garbage disposal. They first quoted $850 to replace a garbage disposal if that was...

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Ralph O. 05/13/26

I'm very disappointed in Mike Diamond plumbing. When I called to clear a clogged toilet, I was told it would be $99 - just like they advertise. But the plumber used 2 different snakes and charged...

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Max D. 02/02/26

Horrendous follow thru on first initial appointment. Called to make apt for leak, zero confirmation calls or text. Zero calls or text DAY of appointment! I had to call them 30mins before the apt...

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Mister B. 09/18/25

The tech heard about my plugged drain and, with even looking at it, wanted to prepare a job order for drain replacement. I fired him on the spot. Other than that, it was a good visit. I didn't...

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