Contractor SearchPlumbers in Walnut, California.
20 plumbers profiles sourced from public licensing and registration records. Check source status, then use the available direct contact details.
Walnut, CA has 20 plumbers listings in the directory drawn from California CSLB (plumbing). 19 showed an active license the last time this site read their source, while 1 license is no longer in the state's current license file. Each profile links the authoritative public source and shows newer recorded status changes when available.
Current public plumbers listings in Walnut.
Listings whose most recent source read showed an active license.
Profiles already claimed and verified by the business.
1 public source feed this city hub.
A Drain Doctor
Plumbers listing in Walnut, CA. License 803591 read active on 2026-10-05.
Bonilla Christopher
Plumbers listing in Walnut, CA. License 1002675 read active on 2026-10-05.
Bruce'S Plumbing Service
Plumbers listing in Walnut, CA. License 904642 read active on 2026-10-05.
Chien Scott
Plumbers listing in Walnut, CA. License 1089712 read active on 2026-10-05.
Expert Hvac Service Inc
Plumbers listing in Walnut, CA. License 1115612 read active on 2026-10-05.
Hwang Dong Tsair
Plumbers listing in Walnut, CA. License 697328 read active on 2026-10-05.
Joellson Michael
Plumbers listing in Walnut, CA. License 957335 read active on 2026-10-05.
John The Plumber
Plumbers listing in Walnut, CA. License 669082 read active on 2026-10-05.
Kp Plumbing Inc
Plumbers listing in Walnut, CA. License 1044093 read active on 2026-10-05.
La Habra Fire Protection And Plumbing
Plumbers listing in Walnut, CA. License 757985 read active on 2026-10-05.
Li David
Plumbers listing in Walnut, CA. License 1111958 read active on 2026-10-05.
Maximum Mechanical Plumbing
Plumbers listing in Walnut, CA. License 1051536 read active on 2026-10-05.
Maximus Builders Inc
Plumbers listing in Walnut, CA. License 1000594 read active on 2026-10-05.
Mtec
Plumbers listing in Walnut, CA. License 873492 read active on 2026-10-05.
Peacecal Plumbing
Plumbers listing in Walnut, CA. License 1144632 read active on 2026-10-05.
Phillips G Plumbing
Plumbers listing in Walnut, CA. License 526195 read active on 2026-10-05.
Pomona Valley Plumbing Heating Air Conditioning Co Inc
Plumbers listing in Walnut, CA. License 1019549 read active on 2026-10-05.
United Riggers & Erectors Inc
Plumbers listing in Walnut, CA. License 245451 read active on 2026-10-05.
Walnut Plumbing
Plumbers listing in Walnut, CA. License 1005582 read active on 2026-10-05.
J Aircon Inc
Plumbers listing in Walnut, CA. License 1107914: not in the state's current license file; last read active on 2026-09-07.
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