The 10 Best Plumbing Companies in California — 2026

We compared all 5288 plumbing companies in California on the data that matters: services offered, posted hours, and how easy each one is to reach. No pay-to-play — this ranking comes straight from the listings data, updated November 2026.

#1 · Ideal Plumbing Heating Air ElectricalSan Diego

(619) 583-7963 Website View listing

#2 · Roto-Rooter Plumbing & Water CleanupTracy Drain service

(209) 362-1989 Website View listing

#3 · Oxnard Pipe & SupplyOxnard

(805) 483-2418 Website View listing

#4 · L.j. Kruse CompanyBerkeley

(510) 726-7370 Website View listing

#5 · Hanna Plumbing & Supply IncVista

(760) 726-2002 Website View listing

#6 · Jack's Plumbing Inc. Dba. Jack's All-american PlumbingSanta Maria

(805) 996-0199 Website View listing

#7 · Acorn Engineering CompanyCity of Industry

(626) 336-4561 Website View listing

#8 · Warranted Plumbing Services, IncConcord

(925) 291-2627 Website View listing

#9 · Souza & Viviani Plumbing Co.San Leandro

(510) 614-6690 Website View listing

#10 · Abc Plumbing Heating & Air ConditioningLodi

(209) 334-2938 Website View listing

Run one of these businesses? You earned this spot — email contact@plumbingatlas.com for your free “Top Plumbing Companies in California” badge to put on your site, and we’ll make sure your listing stays accurate.
How we rank: every listing earns points for listed services (drain service, water heaters, sewer service, emergency service), posted hours, and working contact details. The ranking is recalculated with every data update.