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Licensed Plumbers in Berkeley, California

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

  • 28licensed plumbers
  • 26active (Clear)
  • 7.1%with a suspension
  • 46.4%workers' comp exempt
  • 24.1 yrsmedian time licensed
  • 39.3%corp / LLC / partnership (60.7% sole owner)
  • 0new in the last 12 months
  • —change tracking began November 1, 2026

Berkeley is home to 28 plumbers in CSLB's license file, ranking #6 of 9 Alameda County cities for this trade. 92.9% are Clear.

The share with a suspension, 7.1%, is 3.7 points higher than the Alameda County rate for the same license (3.4%). 46.4% report a workers' comp exemption, 4.8 points lower than the statewide figure for plumbers (51.2%), so many of these businesses say they have no employees.

0 of these licenses are less than a year old, while 75% have been held for 10 years or more. The median is 24.1 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 Berkeley

  1. Find the business in the list below, or search all 28 Berkeley 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 7.1% of Berkeley listings here already show a suspension.
  3. Match the license holder's name to the name on the written contract and the person you meet. Ask for proof of workers' comp if anyone besides the owner will work on site. Hiring checklist.

All 28 plumbers in Berkeley

Berkeley 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 Berkeley
Business nameLicense #StatusYearsWorkers' compBond
Berkeley Plumbing & Heating Company INC 293715 Clear 52 Insured On file
Feiner Michael A 393078 Clear 46 Insured On file
Kruse L J CO 405523 Clear 45 Insured On file
Banister Scott R 436689 Clear 43 Exempt On file
Ernest Machen 460594 Clear 42 Exempt On file
Forbes Plumbing 482667 Clear 41 Exempt On file
A T M Construction 522021 Clear 38 Insured On file
Dennehy Construction 575925 Clear 37 Exempt On file
S B Construction 592474 Clear 36 Exempt On file
Home-Pro Construction CO 598466 Clear 36 Exempt On file
American Leak Detection of the East Bay 663871 Clear 33 Insured On file
Keene Builders INC 794217 Clear 25 Insured On file
One Step Plumbing 835677 Clear 22 Exempt On file
Maier Jonathan Plumbing Contractor 838000 Clear 22 Exempt On file
A Better Rooter Plumbing & Engineering INC 840183 Clear 22 Insured On file
Pelican Plumbers 872437 Clear 20 Insured On file
Berry Keith R 936308 Clear 17 Insured On file
Sun Rise Construction 1004479 Clear 11 None On file
Bay Plumbing 1020974 Clear 10 Exempt On file
Total Construction Solutions 1022149 Clear 9 Insured On file
The Drain Surgeon Plumbing 1023349 Clear 9 Exempt On file
People's Plumbing INC 1027546 Clear 9 Insured On file
J J Rooter & Plumbing 1044243 Clear 8 Insured On file
3rdgen Heating and Cooling 1086898 Clear 4 Insured On file
Lemontree Plumbing 1116849 Clear 2 Exempt On file
Afterglow Hydronic Heating 1135450 Clear 1 Insured On file
Schwiers Robert G 378784 Susp: contractor's bond 47 Exempt On file
French Connection for Plumbing the 750225 Susp: contractor's bond 28 Exempt On file

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 Berkeley?

CSLB's current public file lists 28 plumbers with a Berkeley mailing address. 26 have a Clear status, and 92.9% 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?

Open the contractor's profile here to see the workers' comp type and insurer from CSLB's file. In Berkeley, 50% of plumbers list a policy, 46.4% claim an exemption and 3.6% show no current coverage. Confirm the policy with CSLB's workers' comp search before work starts. How to check workers' comp.

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Guides