NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors
Plumbers in Castro Valley, CA
23 licensed plumbers · every license checked against the issuer's file
More cities in California
181Hayward, CA · (510) 943-8444
CA-CSLB 1066800 · C36Plumber
License activechecked Oct 24, 2026
Danville, CA · (925) 250-5027
CA-CSLB 411709 · C36Plumber
License activechecked Oct 24, 2026
San Leandro, CA · (510) 351-6700
CA-CSLB 974106 · C36Plumber
License activechecked Oct 24, 2026
Oakland, CA · (510) 224-7570
CA-CSLB 644424 · C36Plumber
License activechecked Oct 24, 2026
San Leandro, CA · (415) 939-3238
CA-CSLB 921563 · B C36General contractorPlumber
License activechecked Oct 24, 2026
San Leandro, CA · (415) 939-3238
CA-CSLB 984008 · B C36General contractorPlumber
License activechecked Oct 24, 2026
Hayward, CA · (650) 834-4944
CA-CSLB 1026405 · C36Plumber
License activechecked Oct 24, 2026
Oakland, CA · (510) 467-9525
CA-CSLB 1103002 · C36Plumber
License activechecked Oct 24, 2026
San Leandro, CA · (510) 706-2720
CA-CSLB 1070249 · C36Plumber
License activechecked Oct 24, 2026
Oakland, CA · (510) 423-1832
CA-CSLB 1103256 · C36Plumber
License activechecked Oct 24, 2026
San Leandro, CA · (510) 760-2231
CA-CSLB 954584 · C36Plumber
License activechecked Oct 24, 2026
Oakland, CA · (510) 482-3000
CA-CSLB 303291 · B C13 +2General contractorFence contractorFire sprinkler contractor+1
License activechecked Oct 24, 2026
Hayward, CA · (510) 566-8143
CA-CSLB 1083284 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
Oakland, CA · (510) 559-0150
CA-CSLB 1127614 · C36Plumber
License activechecked Oct 24, 2026
San Leandro, CA · (510) 809-5228
CA-CSLB 1021504 · B C10 +1General contractorElectricianPlumber
License activechecked Oct 24, 2026
Danville, CA · (925) 735-9494
CA-CSLB 460572 · C36Plumber
License activechecked Oct 24, 2026
Danville, CA · (925) 207-8659
CA-CSLB 1115929 · C36Plumber
License activechecked Oct 24, 2026
Dublin, CA · (925) 639-9367
CA-CSLB 1157076 · C36Plumber
License activechecked Oct 24, 2026
Hayward, CA · (510) 783-6851
CA-CSLB 1139164 · B C4 +1General contractorPlumber
License activechecked Oct 24, 2026
Oakland, CA · (415) 375-2361
CA-CSLB 1114986 · C36Plumber
License activechecked Oct 24, 2026