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

Plumbers in Altadena, CA

20 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
02

Aaramco

Glendale, CA · (818) 400-4561

CA-CSLB 553237 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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03

Acco Engineered Systems

Pasadena, CA · (818) 244-6571

CA-CSLB 120696 · A B +7General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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04

Acco-Wilson, Inc

Pasadena, CA · (831) 244-6571

CA-CSLB 1042403 · B C4 +8General contractorPlumberElectrician+2
License activechecked Oct 24, 2026
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06

Aes Industrial Inc

Pasadena, CA · (510) 346-4300

CA-CSLB 1049754 · A B +5General engineering contractorGeneral contractorPlumber+1
License activechecked Oct 24, 2026
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09

Ajamian Group

Pasadena, CA · (626) 926-1222

CA-CSLB 988478 · B C10 +2General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
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10

An Chang Moo

Pasadena, CA · (213) 200-3856

CA-CSLB 643889 · C36Plumber
License activechecked Oct 24, 2026
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13

Art Plumbing

Glendale, CA · (818) 568-9584

CA-CSLB 1012766 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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14

Asiana Plumbing

Glendale, CA · (213) 595-8939

CA-CSLB 1127975 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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15

Avanti Building Contractors

Glendale, CA · (818) 823-1422

CA-CSLB 1098749 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
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