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Licensed Plumbers in San Jose, California

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

  • 388licensed plumbers
  • 376active (Clear)
  • 3.1%with a suspension
  • 43.3%workers' comp exempt
  • 10.6 yrsmedian time licensed
  • 57.2%corp / LLC / partnership (42.8% sole owner)
  • 31new in the last 12 months
  • —change tracking began November 1, 2026

San Jose is home to 388 plumbers in CSLB's license file, ranking #1 of 6 Santa Clara County cities for this trade. 96.9% are Clear.

43.3% report a workers' comp exemption, 7.9 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 (3.1%) is close to the Santa Clara County rate for the same license (3.5%).

31 of these licenses are less than a year old, while 52.3% have been held for 10 years or more. The median is 10.6 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 Jose

  1. Find the business in the list below, or search all 388 San Jose 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. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 3.1% of San Jose listings here already show a suspension.
  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 388 plumbers in San Jose

San Jose 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 Jose
Business nameLicense #StatusYearsWorkers' compBond
Hickey W L Sons INC 95122 Clear 79 Insured On file
Mc Donald O C CO INC 177271 Clear 68 Insured On file
Owen Plumbing and General Contracting INC 272072 Clear 55 Exempt On file
Lewis and Tibbitts INC 281666 Clear 53 Insured On file
Hylton Plumbing INC 287013 Clear 53 Insured On file
Water Quality Plumbing INC 305018 Clear 51 Insured On file
Critchfield Mechanical INC 341107 Clear 49 Insured On file
J & J Air Conditioning INC 394587 Clear 46 Insured On file
Icom Mechanical INC 408622 Clear 45 Insured On file
Interstate Decisive Contractor-I D C 427352 Clear 44 Insured On file
Ats Mechanical 466960 Clear 41 Insured On file
Ram Plumbing 471428 Clear 41 Exempt On file
Industrial Piping Systems INC 496005 Clear 40 Insured On file
$15 Sewer and Drain Service 501065 Clear 40 Insured On file
New Life Plumbing INC 521990 Clear 38 Insured On file
Lyons Brothers Plumbing 530583 Clear 38 Insured On file
S & S Tile INC 546064 Clear 38 Insured On file
Stalie Construction 560698 Clear 37 Insured On file
Foothill Plumbing 571688 Clear 37 Insured On file
Plumb One Plumbing Company 580236 Clear 37 Insured On file
Pipe Rite Systems 586932 Clear 36 Exempt On file
Terry Mechanical INC 584961 Clear 36 Insured On file
Mueller Plumbing INC 611151 Clear 35 Insured On file
San Jose Plumbing INC 615156 Clear 35 Insured On file
Lane Greg Plumbing INC 621210 Clear 35 Insured On file
Nelson Plumbing 626176 Clear 35 Exempt On file
Plumb Perfect INC 627981 Clear 35 Insured On file
Drain Doctor INC 643458 Clear 34 Insured On file
J T Plumbing 649204 Clear 34 Insured On file
Giant Plumbing INC 655071 Clear 34 Insured On file
Ribbs Plumbing INC 657845 Clear 34 Exempt On file
Kelly Plumbing 660339 Clear 33 Exempt On file
D & L Rooter 664286 Clear 33 Exempt On file
Vallarta Construction 671282 Clear 33 Insured On file
Bagirov Arthur 673098 Clear 33 Exempt On file
Aquatek Plumbing INC 677577 Clear 33 Insured On file
Mike Counsil Plumbing LLC 679261 Clear 33 Insured On file
Water Systems Plumbing 680781 Clear 32 Insured On file
American Beverage Equipment INC 686485 Clear 32 Insured On file
Currie Contracts 687243 Clear 32 Exempt On file
Thv Quality Construction and HVAC 685160 Clear 32 Insured On file
True-Tech Water and Plumbing 688675 Clear 32 Insured On file
Castro Plumbing 696426 Clear 32 Insured On file
Kds Plumbing INC 696971 Clear 32 Insured On file
J M B Plumbing & Construction INC 698981 Clear 32 Insured On file
S E S Plumbing 698989 Clear 32 Exempt On file
Young's Plumbing CO 697856 Clear 32 Exempt On file
B L R Electric 704259 Clear 31 Insured On file
Bambino's Plumbing 704469 Clear 31 Insured On file
Bayline Plumbing INC 708496 Clear 31 Insured On file

See all 388 plumbers in San Jose

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 Jose?

CSLB's current public file lists 388 plumbers with a San Jose mailing address. 376 have a Clear status, and 88.4% 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 Jose plumbers, 43.3% are exempt (no employees), 54.6% insured and 2.1% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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