Plumbing contractors in Walnut, CA
20 licenses with the C-36 classification list Walnut (Los Angeles County) as their address with the state, 19 of them active. Active licenses with nothing flagged come first.
- A Drain DoctorC-36 · #803591 Walnut · Los Angeles County Active
- Bruce'S Plumbing ServiceC-36 · #904642 Walnut · Los Angeles County Active
- Christopher BonillaC-36 · #1002675 Walnut · Los Angeles County Active
- David LiC-36 · #1111958 Walnut · Los Angeles County Active
- Dong Tsair HwangC-10 · C-36 · #697328 Walnut · Los Angeles County Active
- Expert HVAC Service IncB · C-20 · C-36 · C-46 · #1115612 Walnut · Los Angeles County Active
- G Phillips PlumbingC-36 · #526195 Walnut · Los Angeles County Active
- John the PlumberC-36 · #669082 Walnut · Los Angeles County Active
- Kp Plumbing IncC-36 · #1044093 Walnut · Los Angeles County Active
- La Habra Fire Protection and PlumbingC-16 · C-36 · #757985 Walnut · Los Angeles County Active
- Maximum Mechanical PlumbingC-36 · #1051536 Walnut · Los Angeles County Active
- Maximus Builders IncB · C-36 · #1000594 Walnut · Los Angeles County Active
- MtecB · C-33 · C-36 · #873492 Walnut · Los Angeles County Active
- Peacecal PlumbingC-36 · #1144632 Walnut · Los Angeles County Active
- Pomona Valley Plumbing Heating Air Conditioning Co IncC-20 · C-36 · #1019549 Walnut · Los Angeles County Active
- Scott ChienB · C-10 · C-16 · C-36 · #1089712 Walnut · Los Angeles County Active
- United Riggers & Erectors IncA · B · C-8 · C-36 +2 · #245451 Walnut · Los Angeles County Active
- Walnut PlumbingC-36 · #1005582 Walnut · Los Angeles County Active
- Michael JoellsonC-36 · #957335 Walnut · Los Angeles County Active Disciplinary bond on file
- Select PlumbingB · C-36 · #816005 Walnut · Los Angeles County Suspended: bond lapsed
Source: CSLB license file, Nov 6, 2026All trades in Walnut