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Licensed Plumbers in Livermore, California

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

  • 62licensed plumbers
  • 60active (Clear)
  • 3.2%with a suspension
  • 43.5%workers' comp exempt
  • 22.8 yrsmedian time licensed
  • 58.1%corp / LLC / partnership (41.9% sole owner)
  • 3new in the last 12 months
  • —change tracking began November 1, 2026

There are 62 plumbers based in Livermore in CSLB's current file. 60 (96.8%) have a Clear status as of November 1, 2026.

The share with a suspension (3.2%) is close to the Alameda County rate for the same license (3.4%). 43.5% report a workers' comp exemption, 7.7 points lower than the statewide figure for plumbers (51.2%), so many of these businesses say they have no employees.

Experience varies: 79% have been licensed 10+ years and 3 are new this year (median 22.8 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 Livermore

  1. Look the company up by name or license number (search Livermore). On the profile, confirm three things: Clear status, the C-36 license for this kind of work, and a contractor's bond on file.
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 3.2% of Livermore listings here already show a suspension.
  3. Match the license holder's name to the name on the written contract and the person you meet. Ask for proof of workers' comp if anyone besides the owner will work on site. Hiring checklist.

50 of 62 plumbers in Livermore

Livermore 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 Livermore
Business nameLicense #StatusYearsWorkers' compBond
J D General Construction INC 391749 Clear 46 Insured On file
G S E Construction Company INC 401498 Clear 45 Insured On file
Pacific Rim Plumbing INC 404372 Clear 45 Insured On file
Marina Mechanical Services 416198 Clear 44 Insured On file
Systems Unlimited Plumbing 473316 Clear 41 Exempt On file
Brasso's Plumbing INC 504789 Clear 39 Insured On file
Braswell Construction INC 551066 Clear 37 Exempt On file
Tao Mechanical LTD 573397 Clear 37 Insured On file
Reed Plumbing INC 601931 Clear 36 Insured On file
Smith Denison Construction CO 606314 Clear 36 Insured On file
Robert James Cortez 606942 Clear 35 Insured On file
Plumbing Technology INC 609200 Clear 35 Insured On file
Duterte William Roy 619604 Clear 35 Exempt On file
Edgington Plumbing INC 621841 Clear 35 Insured On file
South Bay Mechanical 627316 Clear 35 Insured On file
Mc Naney Plumbing 628472 Clear 35 Insured On file
Electric Express 632608 Clear 34 Insured On file
Performance Plus Plumbing LLC 692664 Clear 32 Insured On file
A Good Plumber INC 707298 Clear 31 Insured On file
Gatco Construction & Plumbing 729282 Clear 30 Exempt On file
Anytime Plumbing Service 730871 Clear 29 Exempt On file
Fault Line Plumbing INC 737079 Clear 29 Insured On file
Positive Plumbing and Drain Cleaning 744023 Clear 28 Insured On file
Kinetics Mechanical Service INC 753650 Clear 28 Insured On file
Viking Plumbing 754565 Clear 28 Exempt On file
R & S Appliance Installation INC 757377 Clear 27 Insured On file
Walker Plumbing 770889 Clear 27 Insured On file
Wilcon INC 799685 Clear 25 Exempt On file
Prime Mechanical Service INC 819114 Clear 23 Insured On file
Maximillion Plumbing 826869 Clear 23 Exempt On file
Able To Plumbing and Rooter 838521 Clear 22 Insured On file
Homesite Services INC A California Corporation 854523 Clear 21 Insured On file
Superior Mechanical Services INC 854680 Clear 21 Insured On file
J F Plumbing INC 883520 Clear 20 Insured On file
Terry's Plumbing INC 893825 Clear 19 Insured On file
T A Plumbing 905309 Clear 19 Exempt On file
Barnett Plumbing & Water Heaters 910529 Clear 18 Insured On file
Amigo Rooter & Plumbing 917521 Clear 18 Insured On file
East - West Plumbing 968675 Clear 14 Exempt On file
A S P Plumbing 971697 Clear 14 Exempt On file
Dollar Drain and Rooter 974683 Clear 14 Exempt On file
Morisoli Brad Construction 993951 Clear 12 Exempt On file
Quality Plumbing & Electric INC A 993411 Clear 12 Insured On file
E 3 Plumbing 994335 Clear 12 Exempt On file
L N D Plumbing 1012396 Clear 10 Exempt On file
Pipers Plumbing Services 1013593 Clear 10 Exempt On file
Fito Plumbers INC 1019265 Clear 10 Insured On file
T 3 Mechanical INC 1038631 Clear 8 Insured On file
Barker Heating & Cooling 1043930 Clear 8 Insured On file
Ortiz Plumbing Drain Cleaning 1053855 Clear 7 Exempt On file

See all 62 plumbers in Livermore

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 Livermore?

CSLB's current public file lists 62 plumbers with a Livermore mailing address. 60 have a Clear status, and 90.3% 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?

Open the contractor's profile here to see the workers' comp type and insurer from CSLB's file. In Livermore, 56.5% of plumbers list a policy, 43.5% claim an exemption and 0% show no current coverage. Confirm the policy with CSLB's workers' comp search before work starts. How to check workers' comp.

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