Plumbing contractors licensed in California

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

• Inland Empire Plumbing INC
  Plumbing · San Bernardino · #1036489
  Active Insurance current
• Inland Empire Quality Plumbing
  Plumbing · Murrieta · #1108000
  Active No insurance on file
• Inland Mechanical Construction INC
  General Contractors, Plumbing · Lake Elsinore · #198273
  Active Insurance current
• Inland Plubming Heating and Air
  Plumbing, HVAC · Moreno Valley · #1054479
  Active Insurance current
• Inland Plumbing Solutions INC
  Plumbing · Riverside · #1145622
  Active No insurance on file
• Inland Pro Plumbing
  Plumbing · Victorville · #1019749
  Active No insurance on file
• Inland Valley Plumbing
  Plumbing · Hemet · #959681
  Active No insurance on file
• Inline Drain & Plumbing
  Plumbing · Menifee · #1154342
  Active No insurance on file
• Inline Mechanical Piping INC
  General Contractors, Plumbing · Placentia · #799453
  Active Insurance current
• Inmotion Mechanical INC
  Plumbing, HVAC · Truckee · #853502
  Active Insurance expiring soon
• Inmotion Plumbing
  Plumbing · Lompoc · #1133626
  Active No insurance on file
• Inncon Design Plumbing
  Plumbing · San Francisco · #1112792
  Active No insurance on file
• Inner Peace Plumbing INC
  Plumbing · Canyon Lake · #1129841
  Active No insurance on file
• Innova Plumbing & Electrical
  General Contractors, Electrical · Sunnyvale · #1069344
  Active Insurance expiring soon
• Innovation Construction Restoration Services INC
  General Contractors, Plumbing · Chula Vista · #1093640
  Active Insurance current
• Innovation Plumbing and Rooter
  General Contractors, Plumbing · San Francisco · #1013565
  Active No insurance on file
• Innovation Plumbing INC
  Plumbing · San Jose · #1073264
  Active Insurance current
• Innovation Plumbing Services LLC
  Plumbing · Hughson · #610771
  Active Insurance current
• Innovative Construction
  General Contractors, Plumbing · Garden Grove · #868057
  Active No insurance on file
• Innovative Master Plumbing & Contracting INC
  General Contractors, Plumbing · Perris · #1013540
  Active No insurance on file
• Innovative Piping Systems
  Plumbing · Mill Valley · #728645
  Active No insurance on file
• Innovative Playgrounds Company INC
  General Contractors, Electrical · Whittier · #1032775
  Active Insurance current
• Innovative Plumbing
  Plumbing · Lakeside · #1030140
  Active No insurance on file
• Innovative Plumbing Solutions INC
  Plumbing · Santa Ana · #1082307
  Active Insurance current
• Innovative Sewer & Scope
  General Contractors, Plumbing · Fullerton · #924593
  Active No insurance on file
• Innovision Construction
  General Contractors, Plumbing · Redondo Beach · #1114713
  Active Insurance current
• Insight Plumbing
  Plumbing · Porter Ranch · #967485
  Active Insurance current
• Inspection Detection Connection
  General Contractors, Plumbing · San Marcos · #1076926
  Active No insurance on file
• Insta-Flow Plumbing CO
  Plumbing · Long Beach · #1050503
  Active No insurance on file
• Installation & Repair Plumbing
  Plumbing · National City · #1089290
  Active Insurance current
• Installation Pro Plumbing LLC
  Plumbing · Rancho Cucamonga · #1091801
  Active Insurance current
• Instant Plumbing
  Plumbing · Garden Grove · #1063671
  Active No insurance on file
• Instant Plumbing Solutions
  Plumbing · Tustin · #1066842
  Active No insurance on file
• Intech Fire Protection INC
  Electrical, Plumbing · Burbank · #916910
  Active Insurance current
• Intech Mechanical Company LLC
  General Contractors, Plumbing · Roseville · #998149
  Active Insurance current
• Integrated Solar Electric
  General Contractors, Electrical · Folsom · #1064877
  Active No insurance on file
• Integrity Built INC
  General Contractors, Plumbing · Vista · #856047
  Active Insurance current
• Integrity First Plumbing INC
  Plumbing · San Francisco · #1006178
  Active Insurance expiring soon
• Integrity Plumbing
  Plumbing · Moreno Valley · #419068
  Active Insurance current
• Integrity Plumbing
  Plumbing · La Verne · #790414
  Active No insurance on file
• Integrity Plumbing
  Plumbing · Fairfield · #889475
  Active No insurance on file
• Integrity Plumbing & Rooter Service
  Plumbing · Cypress · #894178
  Active Insurance current
• Integrity Plumbing and Drain
  Plumbing · Galt · #1157675
  Active Insurance current
• Integrity Plumbing and Landscaping LLC
  Plumbing, Landscaping · San Diego · #899480
  Active Insurance current
• Integrity Plumbing Company
  Plumbing · Covina · #717098
  Active No insurance on file
• Integrity Plumbing INC
  Plumbing · Rancho Santa Margarita · #1098635
  Active Insurance current
• Integrity Plumbing Inspection
  Plumbing · Camarillo · #1084653
  Active No insurance on file
• Integrity Plumbing Service & Repair
  Plumbing · Windsor · #1129600
  Active No insurance on file
• Integrity Plus Plumbing
  Plumbing · Stockton · #1094396
  Active No insurance on file
• Integrity Plus Plumbing Ie INC
  Plumbing · Wildomar · #1066198
  Active No insurance on file
• Integrity Quality Plumbing INC
  Plumbing · Rialto · #1160427
  Active Insurance current
• Integrity Repipe
  Plumbing · Sun Valley · #946288
  Active No insurance on file
• Integrity Repipe INC
  Plumbing · San Clemente · #993925
  Active Insurance current
• Intelligent Plumbing Systems
  Plumbing · Oviedo · #1060415
  Active No insurance on file
• Inter-City Energy Systems INC
  General Contractors, Electrical · Ontario · #587709
  Active Insurance current
• Intercity Plumbing
  Plumbing · Yucca Valley · #1138173
  Active Insurance current
• Intercounty Mechanical & Electrical INC
  Electrical, Plumbing · Ukiah · #926337
  Active Insurance current
• Interlock Plumbing
  Plumbing, HVAC · Antioch · #1149890
  Active Insurance current
• International City Plumbers
  General Contractors, Plumbing · Long Beach · #1025221
  Active Insurance current
• Interpipe Contracting INC
  Plumbing · Santee · #578888
  Active Insurance current
• Interstate Construction INC
  General Contractors, Electrical · Roseville · #341026
  Active Insurance current
• Interstate Decisive Contractor-I D C
  General Contractors, Electrical · San Jose · #427352
  Active Insurance current
• Interstate Plumbing
  Plumbing · Cathedral City · #1098691
  Active No insurance on file
• Invert Plumbing
  Plumbing · Palmdale · #1094780
  Active No insurance on file
• Invision Plumbing INC
  Plumbing · Montebello · #1099402
  Active Insurance current
• Ioan Muresan
  General Contractors, Electrical · Modesto · #653470
  Active Insurance current
• Iq Plumbing
  Plumbing · Indio · #1088716
  Active No insurance on file
• Iq Pro
  General Contractors, Electrical · Irvine · #955793
  Active Insurance current
• Irbis Air Plumbing Electrical
  Electrical, Plumbing · San Jose · #1048009
  Active Insurance expiring soon
• Irc Backflow
  Plumbing · Banning · #1101805
  Active No insurance on file
• Irc Plumbing INC
  Plumbing · La Habra · #974180
  Active Insurance expired
• Irg Construction
  General Contractors, Plumbing · Carmichael · #1142863
  Active No insurance on file
• Irish Spring Plumbing INC
  Plumbing · Burbank · #636941
  Active Insurance current
• Iroc Construction
  General Contractors, Plumbing · Canyon Lake · #1047851
  Active Insurance current
• Iron Grip Plumbing & Repipe
  Plumbing · Sacramento · #1160181
  Active No insurance on file
• Iron Hands CO
  Plumbing · Cherry Valley · #1023981
  Active No insurance on file
• Iron Horse Plumbing
  Plumbing · Gilbert · #993890
  Active Insurance current
• Iron Mechanical INC
  General Contractors, Plumbing · Sacramento · #934181
  Active Insurance current
• Iron Mountain Plumbing
  Plumbing · Anaheim · #1102865
  Active Insurance current
• Iron Oak Plumbing INC
  Plumbing · Rocklin · #957251
  Active Insurance current
• Iron Plumbing
  Plumbing · Vista · #1010429
  Active No insurance on file
• Iron Plumbing
  Plumbing · Sylmar · #998803
  Active Insurance current
• Iron Plumbing Gt INC
  Plumbing · Los Angeles · #1158283
  Active Insurance current
• Iron Strong Plumbing
  Plumbing · Marysville · #1111347
  Active No insurance on file
• Iron Valley Plumbing INC
  Plumbing · Lodi · #1037620
  Active Insurance current
• Ironclad Plumbing and Drain
  Plumbing · Santa Ana · #1159038
  Active No insurance on file
• Ironcladce
  General Contractors, Plumbing · San Diego · #885679
  Active Insurance current
• Ironflow Plumbing
  Plumbing · Murrieta · #1161381
  Active No insurance on file
• Ironwood Plumbing INC
  Plumbing, HVAC · Placentia · #851742
  Active Insurance current
• Irvin Lynn
  Plumbing · Lakeside · #565208
  Active No insurance on file
• Irvine Mechanical
  General Contractors, Plumbing · Antelope · #1033062
  Active Insurance current
• Irvine Valley Air Conditioning INC
  General Contractors, Plumbing · Anaheim · #641001
  Active Insurance current
• Isaac & Sons Plumbing INC
  Plumbing · Glendora · #1000605
  Active Insurance current
• Isaac Mailhot Plumbing
  General Contractors, Plumbing · Yucaipa · #871651
  Active No insurance on file
• Isackson Plumbing
  Plumbing · Rossmoor · #1114153
  Active No insurance on file
• Isaiah's Plumbing
  Plumbing · Upper Lake · #979539
  Active No insurance on file
• Isaias Zelayandia
  Plumbing · Los Angeles · #1104445
  Active No insurance on file
• Isao Construction
  General Contractors, Electrical · La Crescenta · #912989
  Active Insurance current
• Iseac's Electric DBA S N I Electrical - Plumbing CO
  Electrical, Plumbing · San Diego · #938264
  Active No insurance on file
• Isidro Martinez
  Plumbing · Tollhouse · #862091
  Active No insurance on file

Last checked against state records on Oct 6, 2026. How we get this data.