Licensed Plumbers in Martinez, California
Updated November 1, 2026 from CSLB's public license file · C-36 Plumbing Contractor
- 29licensed plumbers
- 26active (Clear)
- 10.3%with a suspension
- 51.7%workers' comp exempt
- 17.4 yrsmedian time licensed
- 58.6%corp / LLC / partnership (41.4% sole owner)
- 1new in the last 12 months
- —change tracking began November 1, 2026
There are 29 plumbers based in Martinez in CSLB's current file. 26 (89.7%) have a Clear status as of November 1, 2026.
About 51.7% report a workers' comp exemption, roughly the statewide norm for plumbers. The share with a suspension, 10.3%, is 7.2 points higher than the Contra Costa County rate for the same license (3.1%).
Experience varies: 79.3% have been licensed 10+ years and 1 is new this year (median 17.4 years, vs 13.4 statewide).
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 Martinez
- Find the business in the list below, or search all 29 Martinez 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).
- Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
- 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.
All 29 plumbers in Martinez
Martinez 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.
| Business name | License # | Status | Years | Workers' comp | Bond |
|---|---|---|---|---|---|
| Martinez Sheet Metal INC | 222277 | Clear | 62 | Insured | On file |
| F S Plumbing | 612036 | Clear | 35 | Exempt | On file |
| Doug's Plumbing | 631076 | Clear | 35 | Exempt | On file |
| Wilson Plumbing | 660458 | Clear | 33 | Insured | On file |
| C & H Plumbing Corporation | 697836 | Clear | 32 | Insured | On file |
| Electrical & Plumbing Incorporated | 712451 | Clear | 31 | Insured | On file |
| Ernie's Plumbing & Sewer Service | 802333 | Clear | 24 | Insured | On file |
| Gallagher John Edward | 810463 | Clear | 24 | Exempt | On file |
| Bel Air Mechanical INC | 844161 | Clear | 22 | Insured | On file |
| Absolute Plumbing and Drain | 890248 | Clear | 19 | Insured | On file |
| Prestige Remodeling | 916196 | Clear | 18 | Exempt | On file |
| Aspect Power LLC | 933699 | Clear | 17 | Insured | On file |
| Superior Construction & Renovation | 954818 | Clear | 16 | Insured | On file |
| Advanced Trenchless INC | 971074 | Clear | 14 | Insured | On file |
| T B Plumbing | 977956 | Clear | 14 | Insured | On file |
| Nak for Plumbing INC | 999210 | Clear | 11 | Insured | On file |
| Smart Plumbing | 1004635 | Clear | 11 | Exempt | On file |
| Kevin's Painting and Plumbing | 1008078 | Clear | 11 | Exempt | On file |
| R K L Builders | 1012424 | Clear | 10 | Exempt | On file |
| Direct Source Construction | 1015787 | Clear | 10 | Exempt | On file |
| American Pipe Bursting LLC | 1039462 | Clear | 8 | Insured | On file |
| J's Plumbing | 1062800 | Clear | 6 | Exempt | On file |
| Frankie's Plumbing | 1089880 | Clear | 4 | Exempt | On file |
| Grizzly Bear Plumbing LLC | 1100358 | Clear | 3 | Exempt | On file |
| Morgans Plumbing | 1101604 | Clear | 3 | Insured | On file |
| Flushitdown LLC | 1155862 | Clear | <1 | Exempt | On file |
| A-1 Rapid Rooter | 660971 | Susp: contractor's bond | 33 | Exempt | On file |
| Bill's Plumbing | 815161 | Susp: contractor's bond | 23 | Exempt | On file |
| Delta Bay Plumbing INC | 870724 | Susp: contractor's bond | 20 | 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 Martinez?
CSLB's current public file lists 29 plumbers with a Martinez mailing address. 26 have a Clear status, and 82.8% 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 Martinez plumbers, 51.7% are exempt (no employees), 48.3% insured and 0% without current coverage. Verify a policy with CSLB's insurer search (step by step).
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More plumbers lists in Contra Costa County
Other licensed trades in Martinez
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- Electricians (42)
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- Landscapers (30)
- General Engineering Contractors (30)
- Painters (27)