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

Plumbers in Covina, CA

56 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

Ace Plumbing Co

Diamond Bar, CA · (909) 973-0227

CA-CSLB 785570 · B C36General contractorPlumber
License activechecked Oct 24, 2026
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06

Air Mechanical

City of Industry, CA · (626) 590-7806

CA-CSLB 881311 · B C4 +2General contractorPlumberHeating and air conditioning
License activechecked Oct 24, 2026
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07

Air Tro Incorporated

Monrovia, CA · (626) 357-5315

CA-CSLB 258228 · B C10 +3General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
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08

Alan Service Company

Temple City, CA · (626) 512-4748

CA-CSLB 648308 · B C10 +2General contractorElectricianHeating and air conditioning+1
License activechecked Oct 24, 2026
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11

Allen John W

Monrovia, CA · (626) 215-4043

CA-CSLB 641272 · C36Plumber
License activechecked Oct 24, 2026
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12

Allyn Bruce Plumbing Inc

Pomona, CA · (909) 392-8403

CA-CSLB 245042 · C16 C20 +1Fire sprinkler contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
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14

American Pipeline Services

Monrovia, CA · (877) 358-8412

CA-CSLB 987779 · A C20 +3General engineering contractorHeating and air conditioningPlumber+1
License activechecked Oct 24, 2026
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19

Arroyo Plumbing Inc

Arcadia, CA · (626) 446-5117

CA-CSLB 629923 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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20

Asset Air & Plumbing

Monrovia, CA · (818) 307-9034

CA-CSLB 1142914 · C10 C20 +1ElectricianHeating and air conditioningPlumber
License activechecked Oct 24, 2026
CallDetails