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Licensed Plumbers in Concord, California

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

  • 68licensed plumbers
  • 66active (Clear)
  • 2.9%with a suspension
  • 48.5%workers' comp exempt
  • 14.4 yrsmedian time licensed
  • 54.4%corp / LLC / partnership (45.6% sole owner)
  • 3new in the last 12 months
  • —change tracking began November 1, 2026

There are 68 plumbers based in Concord in CSLB's current file. 66 (97.1%) have a Clear status as of November 1, 2026.

48.5% report a workers' comp exemption, 2.7 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 (2.9%) is close to the Contra Costa County rate for the same license (3.1%).

The median plumber here has held a license for 14.4 years (more than the statewide median of 13.4), and 3 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 Concord

  1. Open the plumber's profile from the table below (or search Concord listings by name). Check that C-36 appears among its classifications and that the primary status reads Clear. What C-36 covers.
  2. Before any money changes hands, verify the license on CSLB's own lookup. Our data comes from CSLB's weekly file, so a very recent change may not show here yet.
  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).

50 of 68 plumbers in Concord

Concord 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 Concord
Business nameLicense #StatusYearsWorkers' compBond
Lescure Company INC 248204 Clear 59 Insured On file
Seeno Albert D JR 281273 Clear 53 Insured On file
Stoddard Plumbing 393805 Clear 46 Exempt On file
Bay Air Systems INC 450929 Clear 42 Insured On file
Complete Plumbing 521758 Clear 38 Exempt On file
Rd's Service Contractor 523223 Clear 38 Insured On file
Control Technology 578100 Clear 37 Insured On file
Flynn Plumbing 600267 Clear 36 Insured On file
Reddi-Rooter 613193 Clear 35 Insured On file
Horizon Plumbing 623019 Clear 35 Insured On file
Tap Master INC 697696 Clear 32 Insured On file
Min Hang Kee 710539 Clear 31 Exempt On file
Swift Certified Mechanical 717212 Clear 30 Insured On file
T G B Service Contractor 723384 Clear 30 Exempt On file
N V Heathorn CO 761659 Clear 27 Insured On file
Montosa Construction 783635 Clear 26 Exempt On file
Guerra Bros Plumbing INC 802256 Clear 24 Insured On file
Independent Plumbing 805022 Clear 24 Exempt On file
Bono A J Plumbing 807390 Clear 24 Insured On file
Matrix Hg INC 812232 Clear 24 Insured On file
Preferred Plumbing & Drain 848878 Clear 22 Insured On file
Right - Way Corrigon 850370 Clear 21 Exempt On file
Letts Plumbing 862842 Clear 21 Insured On file
U S T Testing Services INC 866797 Clear 21 Insured On file
A and D Radiant & Plumbing Tech 872184 Clear 20 Insured On file
Abc Construction 871880 Clear 20 Exempt On file
R M Medical INC 873301 Clear 20 Exempt On file
Loria Ryan Plumbing 874832 Clear 20 Insured On file
Aqua Systems Plumbing 895405 Clear 19 Exempt On file
Belfast Plumbing 906211 Clear 19 Exempt On file
King's Plumbing 921036 Clear 18 Exempt On file
Francesco Toce 971217 Clear 14 Exempt On file
Considerate Contracting INC 975511 Clear 14 Exempt On file
Stanton Plumbing 985101 Clear 13 Exempt On file
Upkeep Industries INC 993919 Clear 12 Exempt On file
Ideal Construction 1001102 Clear 11 Exempt On file
Plumbing Geek 1002182 Clear 11 Insured On file
Philco Air Control INC 1010853 Clear 10 Insured On file
V I T Plumbing & Leak Detection 1013396 Clear 10 Exempt On file
Diamond Plumbing and Rooter 1019643 Clear 10 Insured On file
High Tech Plumbing 1021954 Clear 9 Insured On file
Echo Plumbing and Rooter 1033391 Clear 8 Insured On file
99 North Construction & Plumbing INC 1044733 Clear 8 Insured On file
J S Plumbing 1049755 Clear 7 Exempt On file
Warranted Plumbing Services 1052044 Clear 7 Insured On file
Complete Plumbing and Construction 1062051 Clear 6 Exempt On file
Tuscano Plumbing Service and Drain 1075356 Clear 5 Exempt On file
Freschi Air Systems LLC 1077999 Clear 5 Insured On file
K&K Construction 1079152 Clear 5 Insured On file
Concord Plumbing CO INC 1089123 Clear 4 Insured On file

See all 68 plumbers in Concord

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 Concord?

CSLB's current public file lists 68 plumbers with a Concord mailing address. 66 have a Clear status, and 85.3% 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 Concord plumbers, 48.5% are exempt (no employees), 51.5% insured and 0% without current coverage. Verify a policy with CSLB's insurer search (step by step).

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Guides