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Licensed Plumbers in Sebastopol, California

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

  • 27licensed plumbers
  • 27active (Clear)
  • 0%with a suspension
  • 33.3%workers' comp exempt
  • 20.6 yrsmedian time licensed
  • 48.1%corp / LLC / partnership (51.9% sole owner)
  • 0new in the last 12 months
  • —change tracking began November 1, 2026

There are 27 plumbers based in Sebastopol in CSLB's current file. 27 (100%) have a Clear status as of November 1, 2026.

33.3% report a workers' comp exemption, 17.9 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, 0%, is 4.7 points lower than the Sonoma County rate for the same license (4.7%).

The median plumber here has held a license for 20.6 years (more than the statewide median of 13.4), and 0 licenses were issued in the last 12 months.

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 Sebastopol

  1. Open the plumber's profile from the table below (or search Sebastopol listings by name). Check that C-36 appears among its classifications and that the primary status reads Clear. What C-36 covers.
  2. Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
  3. Ask for the pocket license and a photo ID and match the name to your contract. Work of $1,000 or more needs a license (the $1,000 rule), and a down payment can't exceed $1,000 or 10% (down payment rules).

All 27 plumbers in Sebastopol

Sebastopol 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 Sebastopol
Business nameLicense #StatusYearsWorkers' compBond
Weeks Drilling and Pump CO 177681 Clear 68 Insured On file
J & J Electric 266927 Clear 55 Insured On file
Warm Zone INC 412438 Clear 45 Insured On file
Josephs Plumbing Service 557597 Clear 37 Insured On file
Sweet Water Plumbing 585153 Clear 36 Insured On file
Western Hills Construction 650481 Clear 34 Insured On file
R H & Sons Water Services 698774 Clear 32 Insured On file
Hoyt Plumbing 774469 Clear 26 Insured On file
Custom Plumbing Systems 825355 Clear 23 Insured On file
New Image Plumbing Incorporated 838265 Clear 22 Exempt On file
D L G Electric 851506 Clear 21 Insured On file
Sustainable Structures INC 854470 Clear 21 Exempt On file
Emmert Brothers Plumbing 862757 Clear 21 Exempt On file
Tamalpais Plumbing 876100 Clear 20 Exempt On file
Exact Plumbing 876903 Clear 20 Exempt On file
Poulson Scott Plumbing 909609 Clear 18 Insured On file
Wielder Construction INC 914639 Clear 18 Insured On file
Josski Plumbing 931537 Clear 17 Exempt On file
Delaney Plumbing 970368 Clear 14 Exempt On file
G O C Plumbing INC 1016920 Clear 10 Insured On file
Pro Plumb 1025011 Clear 9 Insured On file
Ach Plumbing & Construction 1040030 Clear 8 Insured On file
Clear Wood Plumbing 1083535 Clear 5 Insured On file
E P D Plumbing 1093132 Clear 4 Exempt On file
Simons Christopher 1115150 Clear 2 Exempt On file
Varnadore Plumbing 1114440 Clear 2 Insured On file
Vital Energy Solutions LLC 1114654 Clear 2 Insured 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 Sebastopol?

CSLB's current public file lists 27 plumbers with a Sebastopol mailing address. 27 have a Clear status, and 88.9% 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?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among Sebastopol plumbers, 33.3% are exempt (no employees), 66.7% insured and 0% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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