NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

Plumbers in Walnut Creek, CA

35 licensed plumbers · every license checked against the issuer's file

More cities in California

Los Angeles 651San Diego 494San Francisco 437San Jose 384Sacramento 242Riverside 208Bakersfield 191Anaheim 181Santa Rosa 157Glendale 156Long Beach 145Fresno 143Van Nuys 134El Cajon 133Escondido 128Oakland 128
Listings 1–20How results are ordered
01

F S Plumbing

Martinez, CA · (925) 595-3962

CA-CSLB 612036 · C34 C36General engineering contractorPlumber
License activechecked Oct 24, 2026
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02

Flowing Water

Pacheco, CA · (925) 270-3195

CA-CSLB 1111542 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
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07

Freschi Air Systems LLC

Concord, CA · (469) 724-7648

CA-CSLB 1077999 · B C20 +2General contractorHeating and air conditioningPlumber+1
License activechecked Oct 24, 2026
CallDetails
11

Guerra Bros Plumbing Inc

Concord, CA · (925) 288-0409

CA-CSLB 802256 · A C36 +1General engineering contractorPlumberExcavation, grading and paving
License activechecked Oct 24, 2026
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12

High Tech Plumbing

Concord, CA · (925) 852-8552

CA-CSLB 1021954 · C20 C36Heating and air conditioningPlumber
License activechecked Oct 24, 2026
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20

J S Plumbing

Concord, CA · (925) 687-9701

CA-CSLB 1049755 · C36Plumber
License activechecked Oct 24, 2026
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