Plumbing contractor (C-36) in Sonoma, CA
3 licenses · checked Oct 27, 2026
There are 3 Plumbing contractor (C-36) licenses with an address of record in Sonoma, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.1% of the 2,617 such licenses statewide; Sonoma ranks #254 of 514 CA cities for this license type. Most list Sonoma County. By business type: Corporation 3. The median first-issue year is 2019; the oldest license dates from 2018. 2 of them come up for renewal or expiration in the next 12 months, so re-check status before you sign a contract.
What a Plumbing contractor (C-36) license covers
Plumbing (C-36) covers systems that supply safe water and remove liquid and water-borne waste, including water heaters, fixtures, gas piping, drain lines and backflow devices.
How to verify a license
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Official lookup: CSLB Instant License Check.
Plumbing contractor (C-36) licenses in Sonoma
Showing 3 of 3, A to Z. Listing order is alphabetical, not a recommendation.
- Easton Plumbing INC#1059513 · 95476
- Mcmahon Fernandez Construction INC#1055940 · 95476
- Wine Country Fire Protection & Plumbing INC#1038646 · 95476
Frequently asked questions
How many Plumbing contractor (C-36) licenses are in Sonoma?
3 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.1% of CA).
What does a Plumbing contractor (C-36) license cover?
Plumbing (C-36) covers systems that supply safe water and remove liquid and water-borne waste, including water heaters, fixtures, gas piping, drain lines and backflow devices.
How do I verify a Plumbing contractor (C-36) license in Sonoma?
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Use the license number shown here with the CSLB Instant License Check.
How many Sonoma Plumbing contractor (C-36) licenses expire soon?
2 of 3 have an expiration date in the next 12 months. A license that lapses must be renewed before the holder can work under it again.
Other license types in Sonoma
General building contractor (22) · Electrical contractor (C-10) (6) · Landscaping contractor (C-27) (5) · Painting contractor (C-33) (4)
All Plumbing contractor (C-36) licenses in CA →
Source: CSLB License Master. Licensed California is independent and not affiliated with the licensing agency. Data checked Oct 27, 2026.