Plumbing contractors in Diamond Bar, CA
27 licenses with the C-36 classification list Diamond Bar (Los Angeles County) as their address with the state, 26 of them active. Active licenses with nothing flagged come first.
- A E D ContractorsA · B · C-10 · C-36 · #441036 Diamond Bar · Los Angeles County Active
- Ace Plumbing CoB · C-36 · #785570 Diamond Bar · Los Angeles County Active
- Advanced Tankless and PlumbingC-36 · #1121827 Diamond Bar · Los Angeles County Active
- All Day DrainsC-36 · #1088634 Diamond Bar · Los Angeles County Active
- Aveo IncA · B · C-10 · C-20 +1 · #969881 Diamond Bar · Los Angeles County Active
- C - Thirty - Six IncB · C-36 · #739644 Diamond Bar · Los Angeles County Active
- C S D M Inc Dba Cal Steam CompanyC-4 · C-20 · C-36 · #674646 Diamond Bar · Los Angeles County Active
- Cany Fire Protection IncC-16 · C-36 · #1142986 Diamond Bar · Los Angeles County Active
- Elite Pipe PC-36 · #1144688 Diamond Bar · Los Angeles County Active
- Expedite PlumbingC-36 · #939646 Diamond Bar · Los Angeles County Active
- G C PlumbingC-36 · #681446 Diamond Bar · Los Angeles County Active
- Galvan PlumbingC-36 · #1065435 Diamond Bar · Los Angeles County Active
- Hsueh Yu LiaoB · C-10 · C-36 · #769733 Diamond Bar · Los Angeles County Active
- J H PlumbingC-36 · #876263 Diamond Bar · Los Angeles County Active
- Jay'S PlumbingC-36 · #622850 Diamond Bar · Los Angeles County Active
- Jones PlumbingC-36 · #917266 Diamond Bar · Los Angeles County Active
- Kenneth Daley Heating & Air ServicesC-20 · C-36 · #798187 Diamond Bar · Los Angeles County Active
- Michael Steven FedorowB · C-36 · #652125 Diamond Bar · Los Angeles County Active
- Ming Chu Chen ChienB · C-10 · C-36 · #820540 Diamond Bar · Los Angeles County Active
- Mirae Construction CoA · B · C-36 · #876472 Diamond Bar · Los Angeles County Active
- Monair ContractorsB · C-10 · C-36 · #677543 Diamond Bar · Los Angeles County Active
- Service WizardsC-20 · C-36 · C-42 · #797071 Diamond Bar · Los Angeles County Active
- Thlc CorporationB · C-10 · C-20 · C-36 +1 · #1077041 Diamond Bar · Los Angeles County Active
- Todd Clark Dba Rooter ShooterB · C-36 · C-42 · #800418 Diamond Bar · Los Angeles County Active
- Vanguard PlumbingC-36 · #1161936 Diamond Bar · Los Angeles County Active
- Zip Renovation & AirB · C-10 · C-15 · C-20 +1 · #762505 Diamond Bar · Los Angeles County Active
- Jh Builder and Remodeling IncB · C-16 · C-36 · #751479 Diamond Bar · Los Angeles County Suspended: no workers' comp
Source: CSLB license file, Nov 8, 2026All trades in Diamond Bar