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Licensed Plumbers in San Rafael, California

Updated November 1, 2026 from CSLB's public license file · C-36 Plumbing Contractor

  • 55licensed plumbers
  • 54active (Clear)
  • 1.8%with a suspension
  • 32.7%workers' comp exempt
  • 20.3 yrsmedian time licensed
  • 56.4%corp / LLC / partnership (43.6% sole owner)
  • 1new in the last 12 months
  • —change tracking began November 1, 2026

San Rafael is home to 55 plumbers in CSLB's license file, ranking #2 of 2 Marin County cities for this trade. 98.2% are Clear.

32.7% report a workers' comp exemption, 18.5 points lower than the statewide figure for plumbers (51.2%), so many of these businesses say they have no employees. The share with a suspension (1.8%) is close to the Marin County rate for the same license (1.8%).

1 of these licenses is less than a year old, while 69.1% have been held for 10 years or more. The median is 20.3 years.

In California this work generally calls for the C-36 Plumbing Contractor license (or a B license when it is part of a larger multi-trade job). See the C-36 Plumbing Contractor guide for what the license covers.

How to check a plumber's license in San Rafael

  1. Find the business in the list below, or search all 55 San Rafael listings, and open its profile. You want a Clear status and the C-36 classification (a B license can also cover it as part of a multi-trade job).
  2. Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed plumber is required by law. See the $1,000 rule.

50 of 55 plumbers in San Rafael

San Rafael plumbers sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed plumbers in San Rafael
Business nameLicense #StatusYearsWorkers' compBond
Gotelli Plumbing Company 254603 Clear 58 Insured On file
Dickson CO 352572 Clear 48 Insured On file
More Plumbing Company 433488 Clear 43 Exempt On file
City Front Plumbing INC 443156 Clear 43 Insured On file
Allied Heating & Air Conditioning CO INC 453261 Clear 42 Insured On file
Denny's House of Plumbing INC 504967 Clear 39 Insured On file
Testa Mike Plumbing INC 519618 Clear 39 Insured On file
Fusco Plumbing and Heating 530388 Clear 38 Insured On file
Beale Builders and Construction INC 563180 Clear 37 Insured On file
Fire Technologies 570216 Clear 37 Insured On file
American Leak Detection 662617 Clear 33 Insured On file
North Bay Plumbing CO 667557 Clear 33 Insured On file
Lehmann Plumbing INC 673476 Clear 33 Insured On file
Tarantino Plumbing INC 679602 Clear 33 Insured On file
Streckfus Plumbing 690903 Clear 32 Exempt On file
Hall Kevin Plumbing 712358 Clear 31 Exempt On file
Best Plumbing 727555 Clear 30 Exempt On file
Marin Mechanical II INC 749299 Clear 28 Insured On file
Ducor Plumbing 773825 Clear 26 Exempt On file
Abracadabra Plumbing Rooter 787583 Clear 26 Exempt On file
M C R Contracting 795996 Clear 25 Exempt On file
Doke's Plumbing Heating & Cooling 801049 Clear 25 Insured On file
Amesos Plumbing INC 814542 Clear 24 Insured On file
Divine Electric and Plumbing 817357 Clear 23 Insured On file
Marin H20 INC 839817 Clear 22 Insured On file
Arka Plumbing 857456 Clear 21 Exempt On file
Mayost Elisha 881789 Clear 20 Insured On file
Dominguez Plumbing Company 895436 Clear 19 Exempt On file
Berglund Plumbing INC 901218 Clear 19 Insured On file
Ostaggi Plumbing INC 908607 Clear 18 Insured On file
S E L Construction 923049 Clear 18 Exempt On file
Gilmore Company 941806 Clear 16 Insured On file
Darwin's Plumbing 969345 Clear 14 Exempt On file
Bella Cosa Construction 979897 Clear 13 Exempt On file
Dan's Plumbing and Sewer Service INC 981965 Clear 13 Insured On file
Pino's Andrew Plumbing 1000628 Clear 11 Exempt On file
Pina Plumbing INC 1011774 Clear 10 Insured On file
Northern Marin Plumbing 1022066 Clear 9 Insured On file
Ar Plumbing INC 1027601 Clear 9 Insured On file
Nica Construction INC 1048019 Clear 7 Insured On file
Westward Builders LLC 1049996 Clear 7 Insured On file
Watson Plumbing 1068269 Clear 6 Exempt On file
Bay Ridge Plumbing INC 1090879 Clear 4 Exempt On file
Big Island Plumbing 1090862 Clear 4 Exempt On file
G Plumbing Services 1091301 Clear 4 Insured On file
Local Plumbing 1091739 Clear 4 Insured On file
Kenilvort Plumbing INC 1102118 Clear 3 Insured On file
Radiant Way Incorporated II 1103617 Clear 3 Insured On file
Gbpha LLC 1108159 Clear 3 Insured On file
Vicentes's Plumbing LLC 1112172 Clear 3 Insured On file

See all 55 plumbers in San Rafael

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed plumbers are in San Rafael?

CSLB's current public file lists 55 plumbers with a San Rafael mailing address. 54 have a Clear status, and 85.5% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a plumber need in California?

In California this work generally calls for the C-36 Plumbing Contractor license (or a B license when it is part of a larger multi-trade job). Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.

How do I check a plumber's workers' comp?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among San Rafael plumbers, 32.7% are exempt (no employees), 67.3% insured and 0% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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