Plumbing contractors licensed in California

Every active California license that lists plumbing work, sorted by name.

• The Stamper Louis Company
  General Contractors, Electrical · Reseda · #300610
  Active No insurance on file
• The Stars and Pipes Plumbing CO
  Plumbing · Woodland Hills · #1130076
  Active No insurance on file
• The Tankless Guys Plumbing Corp
  Plumbing · Sunnyvale · #1094217
  Active Insurance current
• The Toilet Whisperer
  Plumbing · Davis · #1088885
  Active Insurance expiring soon
• The Trenchless Company
  General Contractors, Plumbing · Sacramento · #775703
  Active Insurance current
• The Van Dyke Corporation
  General Contractors, Plumbing · 29 Palms · #565576
  Active Insurance current
• The Water Boy INC
  Plumbing · Woodland Hills · #1075861
  Active Insurance current
• The Water Connection INC
  Plumbing · Madera · #629116
  Active Insurance current
• The Water Heater & Plumbing CO Specialist
  Plumbing · Lynwood · #816868
  Active No insurance on file
• The Water Heater & Plumbing Company DBA the Water Heater Company
  Plumbing · Camarillo · #1045699
  Active Insurance current
• The Water Heater Pro INC
  Plumbing · Sylmar · #871462
  Active No insurance on file
• The Water Heater Specialist
  Plumbing, HVAC · Oroville · #1097365
  Active Insurance current
• The Water Heater Tech
  Electrical, Plumbing · Canyon Country · #1089933
  Active No insurance on file
• The Water Heater Whisperer
  Plumbing · Yucaipa · #1135127
  Active No insurance on file
• The Water Heater Wizard LLC
  Plumbing · Ventura · #1140698
  Active No insurance on file
• The Water Pros INC
  Plumbing · San Jose · #1106398
  Active No insurance on file
• The Water Well Store INC DBA Watson Well Service Water Treament &
  Plumbing · Anderson · #947596
  Active Insurance expiring soon
• The Water Works
  Plumbing · Placerville · #862309
  Active No insurance on file
• The White Glove Guys, Plumbing Drains Heating Air Conditioning
  General Contractors, Electrical · San Diego · #513115
  Active Insurance current
• The Works Plumbing INC
  Plumbing · Oceanside · #994667
  Active No insurance on file
• Thee Best Rooter and Plumbing
  Plumbing · West Covina · #957938
  Active No insurance on file
• Thee Plumbing CO
  Plumbing · Anaheim · #692191
  Active Insurance current
• Theis Plumbing
  Plumbing · Van Nuys · #1083863
  Active No insurance on file
• Theoram Construction and Development
  General Contractors, Plumbing · Bakersfield · #679218
  Active No insurance on file
• Therma LLC
  General Contractors, Electrical · San Jose · #1027316
  Active Insurance current
• Thermal Exchange
  Plumbing, HVAC · Cathedral City · #569013
  Active Insurance current
• Thermal Mechanical
  Electrical, Plumbing · Santa Clara · #256057
  Active Insurance current
• Thermoscape
  Electrical, Plumbing · Milpitas · #745095
  Active Insurance current
• Thielman Properties INC
  General Contractors, Plumbing · San Diego · #893696
  Active No insurance on file
• Thinh Quoc Truong
  General Contractors, Electrical · Anaheim · #627818
  Active No insurance on file
• Third Generation Plumbing
  Plumbing · Hidden Valley Lake · #898055
  Active Insurance current
• Thistle Plumbing
  Plumbing · Alta Loma · #800780
  Active No insurance on file
• Thlc Corporation
  General Contractors, Electrical · Diamond Bar · #1077041
  Active Insurance current
• Thomas a Winnor
  Plumbing · South Gate · #790588
  Active No insurance on file
• Thomas B Prescott
  General Contractors, Electrical · Porterville · #650991
  Active No insurance on file
• Thomas Construction
  General Contractors, Plumbing · Los Angeles · #777636
  Active No insurance on file
• Thomas Edward Howard
  General Contractors, Plumbing · Fresno · #1018092
  Active Insurance current
• Thomas Edward Klingenbeck
  General Contractors, Plumbing · Hayward · #421918
  Active Insurance current
• Thomas Frederic Wilhelm
  General Contractors, Electrical · Desert Hot Springs · #604997
  Active No insurance on file
• Thomas Hovey Plumbing
  Plumbing · Carlsbad · #1126468
  Active No insurance on file
• Thomas J Ivy
  General Contractors, Plumbing · Grass Valley · #776172
  Active Insurance current
• Thomas J Moore
  General Contractors, Plumbing · Palos Verdes Estates · #425596
  Active No insurance on file
• Thomas Lee
  Plumbing, HVAC · North Hollywood · #778536
  Active Insurance current
• Thomas Lighthouse
  General Contractors, Electrical · San Jose · #1049691
  Active Insurance current
• Thomas Plumbing
  Plumbing · Turlock · #558074
  Active Insurance expiring soon
• Thomas Plumbing INC
  Plumbing, HVAC · Morgan Hill · #356040
  Active Insurance current
• Thomas Plumbing LLC
  Plumbing · Grass Valley · #1138044
  Active Insurance current
• Thomas Pompa Plumbing
  Plumbing · Claremont · #594858
  Active No insurance on file
• Thomas W Creedon
  General Contractors, Electrical · San Francisco · #290746
  Active Insurance current
• Thomas W O'mara Plumbing INC
  Plumbing · Canyon Country · #684369
  Active Insurance current
• Thomas Wick
  Plumbing · Mission Viejo · #1158319
  Active No insurance on file
• Thomas Wynns
  Plumbing · West Hills · #497093
  Active No insurance on file
• Thomasville Construction INC
  General Contractors, Plumbing · Fullerton · #585556
  Active Insurance current
• Thompson Construction
  General Contractors, Plumbing · Rocklin · #1027017
  Active No insurance on file
• Thompson Family Plumbing and Drain LLC
  Plumbing · Hesperia · #984369
  Active Insurance current
• Thompson Plumbing
  Plumbing · Escondido · #714553
  Active No insurance on file
• Thompson Plumbing CO INC
  Plumbing · Fair Oaks · #1028731
  Active No insurance on file
• Thompson Plumbing Heating and Air Conditioning
  Plumbing, HVAC · Oceanside · #974400
  Active Insurance current
• Thompson Pool Plumbing INC
  Plumbing, Pools & Spas · Anaheim · #289803
  Active Insurance current
• Thompson's Plumbing
  Plumbing · Springville · #470218
  Active No insurance on file
• Thor
  Electrical, Plumbing · Castaic · #576113
  Active Insurance current
• Thoren Construction INC
  General Contractors, Electrical · Millbrae · #1110508
  Active Insurance current
• Thornton's Gas Service
  Plumbing, HVAC · Nicolaus · #922761
  Active Insurance current
• Thorsen's-Norquist INC
  General Contractors, Plumbing · Turlock · #688058
  Active Insurance current
• Thorson Plumbing
  Plumbing · Shingle Springs · #1032700
  Active No insurance on file
• Thousand Oaks Plumbing
  General Contractors, Plumbing · Santa Clarita · #1082545
  Active Insurance current
• Thrane Contracting
  General Contractors, Plumbing · Torrance · #750941
  Active No insurance on file
• Three Amigo's Plumbing INC
  Plumbing · Auburn · #1034448
  Active No insurance on file
• Three Five Six Construction
  General Contractors, Electrical · Arcadia · #662946
  Active No insurance on file
• Three G's Plumbing INC
  Plumbing · Huntington Park · #794585
  Active Insurance current
• Three Lions Plumbing INC
  Plumbing · Redondo Beach · #761817
  Active No insurance on file
• Three Steps Plumbing
  Plumbing · North Hills · #962386
  Active No insurance on file
• Three-Five-Seven Const & Plumbing
  General Contractors, Plumbing · Oxnard · #722181
  Active No insurance on file
• Three96 LLC
  Plumbing · Sparks · #1148995
  Active Insurance current
• Thrifty Pro - Plumbing
  Plumbing · Montebello · #998469
  Active No insurance on file
• Thrifty Pro Plumbing & Rooter INC
  Plumbing · Los Angeles · #1123192
  Active No insurance on file
• Thrifty Rooter INC
  Plumbing · Glendale · #1140013
  Active No insurance on file
• Thrifty Rooter Service & Plumbing CO
  General Contractors, Plumbing · Chico · #712800
  Active Insurance current
• Thumbs Up Plumbing
  Plumbing · Garden Valley · #882032
  Active No insurance on file
• Thumbs Up Rooter and Plumbing
  Plumbing · Oakland · #1035423
  Active No insurance on file
• Thunder and Lightning Services
  General Contractors, Plumbing · Perris · #902886
  Active Insurance expiring soon
• Thunder Plumbing
  Plumbing · Glendale · #673995
  Active No insurance on file
• Thurmon Plumbing
  Plumbing · Magalia · #1152252
  Active No insurance on file
• Thv Quality Construction and HVAC
  General Contractors, Electrical · San Jose · #685160
  Active Insurance current
• Tiago Alkana
  Plumbing · Chatsworth · #1013503
  Active No insurance on file
• Tibor Itskovich
  General Contractors, Electrical · Sherman Oaks · #382175
  Active No insurance on file
• Tibor Molnar Plumbing & Water Treatment INC
  Plumbing · San Diego · #1101914
  Active Insurance current
• Tic Tok Plumbing INC
  General Contractors, Plumbing · Castaic · #1085629
  Active No insurance on file
• Tid Plumbing and Electrical
  Electrical, Plumbing · Van Nuys · #1086466
  Active No insurance on file
• Tidal Plumbing LLC
  Plumbing · Oceanside · #1108358
  Active Insurance current
• Tidal Wave Rooter & Plumbing INC
  Plumbing · Los Angeles · #1158712
  Active No insurance on file
• Tidewater Plumbing INC
  Plumbing · Twain Harte · #588497
  Active Insurance current
• Tidy Plumbing INC
  Plumbing · Sausalito · #1133715
  Active Insurance current
• Tier 1 Air Conditioning INC
  Plumbing, HVAC · Corona · #1030742
  Active Insurance current
• Tier 1 Leak Detection
  Plumbing · Anaheim · #1032420
  Active Insurance current
• Tier 1 Local Plumbing
  Plumbing · Oakdale · #1155333
  Active No insurance on file
• Tier 1 Plumbing
  Plumbing · Pacheco · #1158503
  Active No insurance on file
• Tier 7 Plumbing & Rooter
  Plumbing · Hawthorne · #1136552
  Active Insurance expiring soon
• Tier One Mechanical INC
  Plumbing, HVAC · Rancho Dominguez · #1071811
  Active Insurance current
• Tier One Plumbing
  General Contractors, Plumbing · Los Angeles · #972037
  Active No insurance on file

Last checked against state records on Oct 11, 2026 (the state's file hasn't changed since Oct 10, 2026). How we get this data.