Williamson Plumbing And Mechanical

Licensed plumber in San Diego, California

CSLB licence active5.0(4 reviews)
79score

Report card

  • Licence activeCSLB #974182, class C36. Issued 22 Jun 2012, expires 30 Jun 2028.
  • Licensed 14 yrsSince 22 Jun 2012.
  • Bonded$25,000 with Philadelphia Indemnity Insurance Company, since 17 Jun 2026.
  • Workers' comp insuredSecurity National Insurance Company, policy SWC1664871, valid to 27 Jul 2027.
  • Clean CSLB recordNo citations, complaints or legal actions disclosed.

Checked against the Contractors State License Board (CSLB) register on 3 Nov 2026.

About Williamson Plumbing And Mechanical

The business provides plumbing and restoration services in San Diego.

Founded
2012
Serves
San Diego
People on the licence
Matt Bart Williamson (sole owner)

From Williamson Plumbing And Mechanical's own website, read 3 Nov 2026. We only show what the site states.

Google reviews

5.0(4 reviews)
Mike Riverside★★★★★ 4 months ago

We found Matt when he was the top ranked plumber on the Navien website. You can't do better than the top recommendation from the top manufacturer of tankless hot water heaters! I had already talked to a few other plumbers who also had experience with these systems, but Matt's knowledge, responsiveness and fair pricing made him our clear top choice. We had been without hot water for two days while we tried to fix our…

Mariah Block★★★★★ a year ago

Matt and his team are amazing! They responded quickly to an outdoor gas line leak, fixed it efficiently, and kept us updated throughout. Great communication, reliable service, and equally helpful with drain clogs. Highly recommend!

Danielle Keast★★★★★ a year ago

We’ve been trusting Williamson Plumbing for over 8 years and across 2 homes, and they’ve never let us down. Matt and his team are consistently professional, reliable, and committed to delivering high-quality work. A couple of years ago, we had a kitchen leak in our condo, and Williamson Plumbing went above and beyond to help us navigate the insurance claim process. Thanks to them, our kitchen was repaired and back t…

Sheryl Curtis★★★★★ 4 years ago

😀

Read all 4 reviews on Google Reviews and photos from Google, refreshed every 30 days.

Why it ranks #74 of 496 plumbers in San Diego

Years licensed weight 3072%
Complaint record weight 25100%
Bond and workers' comp weight 10100%
Google reviews weight 3564%

Score 79 / 100. Claiming this listing or using Theo never changes it. How we rank

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