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

Plumbers in Grass Valley, CA

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

104

Apsi

Auburn, CA · (530) 537-2949

CA-CSLB 990571 · B C4 +1General contractorPlumber
License activechecked Oct 24, 2026
106

B Z Plumbing Company Inc

Lincoln, CA · (916) 645-1600

CA-CSLB 577219 · C16 C36 +1Fire sprinkler contractorPlumberSpecialty contractor
License activechecked Oct 24, 2026