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Learn about our screening process

5 Years In Business

Company Details

  • Verified Licenses
  • Bilingual


  • Mon: Open 24 Hours
  • Tue: Open 24 Hours
  • Wed: Open 24 Hours
  • Thu: Open 24 Hours
  • Fri: Open 24 Hours
  • Sat: Open 24 Hours
  • Sun: Open 24 Hours
View All Details & Credentials


Service Details

  • Residential Work
  • Commercial Work
  • Small Jobs Welcome

Areas of Expertise

  • Water heaters
  • Tankless water heaters
  • Fixtures, pipes, repairs
  • Plumbing for home additions
  • Sewer Lines, repairs, replacement and camera inspection
View All Offerings and Cities Served

Cost Information

  • Free Estimates
  • Warranty Offered
  • Credit Cards Accepted


72 Verified Reviews
  • 5
  • 4
  • 3
  • 2
  • 1

Highly rated for

  • Quality
  • Value
  • Customer Service
Showing 1-10 of 72 results
5.0 Chelsea R. Santa Clarita, CA

Capped an old water connection in my laundry closet and closed it into the wall, as well as changed the connection box around the drain hose to make it more flush with the wall. Looked like the water connection was never there when they got done with it, and the connection box/drain hose looked great as well. Definitely recommend!

4.5 John L. Canyon Country, CA

They did a great job came out looking absolutely beautiful thanks to David and his crew.

5.0 John E. South Pasadena, CA

Although my job ballooned in scope and cost, I felt like the owner was upfront with me about everything.

4.0 Otto C. Burbank, CA

He made an estimate, but then he charged more than the estimate. Did not provide a receipt or an invoice.

5.0 Marcy G. Sherman Oaks, CA

They were punctual, professional, neat and clean.

5.0 Lonny J. Pasadena, CA

I would definitely use them again!

5.0 Hector M. Canyon Country, CA

Very professional. Prompt. Tankless water heater has been working fine ever since. Hired another plumbing company before calling G M C. They were half the price. But did not solve the problem. David with G M C diagnosed the problem. Completed the work. No problems ever since. Thank you Angi, thank you David and G M C Plumbing.

4.5 Lonny J. Pasadena, CA

Jeremy was knowledgeable and easy to work with. I would definitely use them again. And they prices seem fair!

4.0 Socrates D. Simi Valley, CA

Make sure you get a written estimate of the job first. I forgot to get this from the owner, and I paid dearly for it. He quoted me $500 for the job but when they finished the job, he charged me $900. Don't get me wrong, $900 is still very reasonable compared with the quotes I got from other contractors. But I still feel it was a bait and switch meant to get the job. But I was quite happy with the end result because it was done very professionally, cleanly, and very respectful crew.

5.0 Dave O. La Canada Flintridge, CA

He and his team seemed to care and did a great job.


G M C Plumbing, Inc.
Judy Woodwin

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Seal of Approval

What is the screening process that Service Professionals go through in order to become members of the HomeAdvisor network?

  1. Verify Trade License
    HomeAdvisor checks to see if the business carries the appropriate state-level license.
  2. Verify Insurance
    As a part of our screening process, we encourage professionals to carry general liability insurance. We require coverage for hundreds of services.
  3. Verification of State Business Filings
    For business types that require a Secretary of State filing, we confirm that the business is in good standing in the state in which it is located.
  4. Criminal Records Search
    HomeAdvisor uses 3rd party data sources to conduct a criminal search for any relevant criminal activity associated with the owner/principal of the business.
  5. Sex Offender Search
    We confirm that the owner/principal is not listed on the official state Sex Offender web site in the state in which the owner/principal of the company is located.
  6. Bankruptcy Search
    We use 3rd party data sources to check the history of the principal/owner of the business for bankruptcy filings by or against them.
  7. Legal Search for Civil Judgments
    We use 3rd party data sources to check the principal/owner of the business for state level civil legal judgments entered against them.
  8. Liens Search
    We use 3rd party data sources to check the principal/owner of the business for liens placed against them.
  9. Identity Verification (SSN)
    HomeAdvisor verifies the social security number(s) of the owner/principal for identity check purposes. This check applies primarily to smaller business entities.
  10. Identity Verification (Reverse Phone Lookup)
    We conduct a reverse business phone lookup to identify records matching the phone number information provided by the business.

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