Plumbing contractor (C-36) in Martinez, CA
6 licenses · checked Oct 27, 2026
There are 6 Plumbing contractor (C-36) licenses with an address of record in Martinez, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.2% of the 2,617 such licenses statewide; Martinez ranks #134 of 514 CA cities for this license type. Most list Contra Costa County. By business type: Sole Owner 4, Limited Liability 1, Corporation 1. The median first-issue year is 2016; the oldest license dates from 2015. 3 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 Martinez
Showing 6 of 6, A to Z. Listing order is alphabetical, not a recommendation.
- American Pipe Bursting LLC#1039462 · 94553
- Direct Source Construction#1015787 · 94553
- J'S Plumbing#1062800 · 94553
- Kevin'S Painting AND Plumbing#1008078 · 94553
- RKL Builders AND Solar Solutions INC DBA RKL Builders#1012424 · 94553
- Smart Plumbing#1004635 · 94553
Frequently asked questions
How many Plumbing contractor (C-36) licenses are in Martinez?
6 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.2% 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 Martinez?
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 Martinez Plumbing contractor (C-36) licenses expire soon?
3 of 6 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 Martinez
General building contractor (26) · Electrical contractor (C-10) (6) · Painting contractor (C-33) (6) · General engineering contractor (3) · HVAC contractor (C-20) (3) · Landscaping contractor (C-27) (3)
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.