Plumbing contractors licensed in California

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

• M&n Pro Plumbing CO
  Plumbing · Fresno · #1132790
  Active Insurance current
• M3 Mep LLC
  General Contractors, Electrical · Sacramento · #1098716
  Active Insurance current
• M3 Pipefitting Waterworks
  Plumbing · Huntington Beach · #1156340
  Active No insurance on file
• M3 Plumbing
  Plumbing · Monterey Park · #812455
  Active No insurance on file
• M3 Plumbing INC
  Plumbing · Clovis · #1080640
  Active No insurance on file
• M3 Service LLC
  General Contractors, Electrical · Sacramento · #1099722
  Active Insurance current
• Maan Plumbing INC
  Plumbing · Sunnyvale · #890650
  Active Insurance expiring soon
• Maas and Sons Construction a Partnership
  General Contractors, Electrical · Redding · #1087806
  Active No insurance on file
• Mabuhay Plumbing & Rooter Service
  Plumbing · Los Angeles · #803181
  Active No insurance on file
• Mac Plumbing
  Plumbing · Olivehurst · #1101669
  Active No insurance on file
• Mac Plumbing
  Plumbing · Paradise · #1105243
  Active Insurance current
• Mac Plumbing
  Plumbing · Danville · #785215
  Active No insurance on file
• Mac Tec Construction Company INC
  General Contractors, Electrical · San Francisco · #999544
  Active Insurance current
• Mac's Heating and Air
  General Contractors, Plumbing · Elk Grove · #932524
  Active Insurance current
• Mac5 Construction LLC
  General Contractors, Plumbing · Fountain Valley · #1025798
  Active Insurance current
• Mac5 Mechanical LLC
  General Contractors, Plumbing · Fountain Valley · #1108400
  Active Insurance current
• Mach 1 Plumbing LLC
  Plumbing · Lincoln · #1049124
  Active Insurance current
• Machado Plumbing
  Plumbing · Jackson · #607115
  Active Insurance current
• Macias Plumbing & Rooter
  Plumbing · Cathedral City · #1134379
  Active No insurance on file
• Macias Plumbing Mechanical
  Plumbing · Perris · #1054329
  Active No insurance on file
• Mack Construction
  General Contractors, Plumbing · Sacramento · #784099
  Active Insurance current
• Mack P and S Construction Incorporated
  General Contractors, Plumbing · Wildomar · #995324
  Active Insurance current
• Mack's Air Conditioning and Heating Services Corporation
  Plumbing, HVAC · Oro Grande · #1043714
  Active Insurance current
• Macke Plumbing LLC
  Plumbing · Costa Mesa · #1064375
  Active Insurance current
• Mackinaw Plumbing INC
  Plumbing · Carnelian Bay · #503649
  Active Insurance current
• Macon's Plumbing
  Plumbing · Sutter · #910989
  Active No insurance on file
• Macquesten Enterprises INC DBA Avavio Construction
  Plumbing · Rohnert Park · #1119188
  Active Insurance current
• Madden Plumbing LLC
  Plumbing · San Francisco · #825418
  Active Insurance current
• Maddox Plumbing LLC
  Plumbing · Maywood · #1107700
  Active Insurance current
• Madero Brothers Plumbing
  Plumbing · Winnetka · #1128282
  Active No insurance on file
• Madrigal Plumbing INC
  Plumbing · National City · #1137344
  Active No insurance on file
• Maestro Plumbing
  Plumbing · San Jose · #852515
  Active No insurance on file
• Magana Plumbing
  Plumbing · Tracy · #1022058
  Active No insurance on file
• Maganas Plumbing Services INC
  Plumbing · Piru · #1090126
  Active No insurance on file
• Magic Hands Plumbing INC
  Plumbing · Woodland Hills · #635881
  Active Insurance current
• Magic Mechanical Plumbing INC
  Plumbing · Temecula · #1161764
  Active Insurance current
• Magic Plumber
  Plumbing · Chino · #1016433
  Active No insurance on file
• Magic Plumbing and Drains INC
  Plumbing · El Cajon · #1124773
  Active No insurance on file
• Magic Plumbing Heating & Cooling
  Plumbing, HVAC · San Francisco · #698806
  Active Insurance current
• Magic Rooter & Plumbing
  Plumbing · Los Angeles · #1102727
  Active No insurance on file
• Magic Snake Pro INC
  Plumbing · Corona · #1119262
  Active Insurance current
• Magic Snake Pro INC
  Plumbing · Corona · #1159922
  Active Insurance current
• Magic Touch Plumbing and Rooter
  Plumbing · Van Nuys · #1120334
  Active No insurance on file
• Magical Building and Construction
  General Contractors, Plumbing · Burbank · #1155382
  Active No insurance on file
• Magna Plumbing
  Plumbing, HVAC · Anaheim · #629978
  Active Insurance current
• Magnat Plumbing INC
  Plumbing · Glendale · #1125933
  Active Insurance current
• Magnet Plumbing INC
  Plumbing · Los Angeles · #1017995
  Active No insurance on file
• Magnificent Plumbing & Rooter INC
  Plumbing · San Ramon · #1018622
  Active Insurance current
• Magnolia Construction & Design INC
  General Contractors, Plumbing · Fairfax · #1115014
  Active No insurance on file
• Magnum Construction Group INC
  General Contractors, Electrical · Foster City · #901895
  Active Insurance current
• Magnum Plumbing
  Plumbing · Acton · #1149255
  Active Insurance current
• Magnum Plumbing Company INC
  Plumbing · Oceanside · #1027259
  Active Insurance current
• Magnuson Plumbing Services LLC
  Plumbing · Vista · #1044252
  Active Insurance current
• Magus Plumbing INC
  Plumbing · Huntington Beach · #930438
  Active Insurance current
• Mahammad Salili
  General Contractors, Plumbing · Woodland Hills · #997705
  Active No insurance on file
• Main Plumbing
  Plumbing · Garden Grove · #1053965
  Active No insurance on file
• Main Plumbing INC
  Plumbing · North Hollywood · #1052541
  Active Insurance current
• Main St Plumbing LLC
  Plumbing · Shingle Springs · #952318
  Active No insurance on file
• Main Stream Plumbing
  Plumbing · Orange · #1090818
  Active No insurance on file
• Mainline Hydrojet
  Plumbing · Buena Park · #1155146
  Active Insurance current
• Mainline Plumbing
  Plumbing · Studio City · #889632
  Active Insurance current
• Mainline Plumbing
  Plumbing · Lomita · #901735
  Active Insurance current
• Mainline Plumbing & Rooter
  Plumbing · Huntington Park · #1149289
  Active No insurance on file
• Mainline Plumbing Enterprises INC
  Plumbing · Valley Springs · #962419
  Active Insurance current
• Mainline Plumbing INC
  Plumbing · Escalon · #953726
  Active Insurance current
• Mainline Plumbing Services LLC
  Plumbing · Lomita · #1145319
  Active Insurance current
• Mainman HVAC Electrical & Plumbing
  Electrical, Plumbing · San Jose · #930343
  Active Insurance current
• Mainor Electric
  Electrical, Plumbing · Los Angeles · #1106270
  Active No insurance on file
• Mainstream Plumbing
  Plumbing · El Cajon · #959182
  Active No insurance on file
• Mainstream Plumbing CO INC
  Plumbing · Nampa · #993587
  Active Insurance current
• Maintech Service
  Plumbing, HVAC · Pacifica · #652085
  Active Insurance current
• Maipo Build
  General Contractors, Electrical · Burbank · #1077541
  Active No insurance on file
• Maj's Magical Plumbing
  Plumbing · Lake Forest · #1105343
  Active No insurance on file
• Majestic Drains and Plumbing
  Plumbing · Irvine · #1155002
  Active No insurance on file
• Majestic Plumbing & Drain Services
  Plumbing · El Cajon · #1111256
  Active No insurance on file
• Majestic Plumbing INC
  Plumbing · Riverside · #906873
  Active No insurance on file
• Major League Construction LLC DBA Major League Plumbing
  Plumbing · Rancho Cordova · #1129052
  Active No insurance on file
• Major League Plumbing and Rooter LLC
  Plumbing · Hollister · #1118261
  Active Insurance current
• Major League Plumbing INC
  Plumbing · Los Angeles · #1067944
  Active Insurance current
• Major Leak Plumbing INC
  Plumbing · Lake Elsinore · #1002868
  Active Insurance current
• Major Plumbing CO INC
  Plumbing · Escondido · #883744
  Active Insurance current
• Major Plumbing Service and Repair INC
  Plumbing · Tehachapi · #842360
  Active Insurance current
• Major's Plumbing
  Plumbing · Los Angeles · #926995
  Active Insurance current
• Make It Drain Plumbing
  Plumbing · Van Nuys · #953410
  Active No insurance on file
• Make It Drain Plumbing & Rooter INC
  Plumbing · Van Nuys · #1012158
  Active Insurance expired
• Make It Drain Specialist LLC
  Plumbing · Carmel · #1158405
  Active No insurance on file
• Makena Signature Homes INC
  General Contractors, Plumbing · Palo Alto · #897646
  Active No insurance on file
• Maki Construction
  General Contractors, Electrical · Sunnyvale · #972438
  Active Insurance current
• Makis Plumbing
  Plumbing · San Diego · #878435
  Active No insurance on file
• Mako Mechanical INC
  Plumbing · Carson · #714554
  Active Insurance current
• Mako Plumbing
  Plumbing · Carlsbad · #1160780
  Active No insurance on file
• Mako Plumbing and Sewer LLC
  Plumbing · Rescue · #1119298
  Active Insurance current
• Makushin Plumbing
  Plumbing · Oakland · #1037587
  Active No insurance on file
• Malachi Plumbing INC
  Plumbing · Oakley · #1072451
  Active No insurance on file
• Malcolm Plumbing & Mechanical
  Plumbing, HVAC · San Francisco · #885680
  Active Insurance current
• Maldonado and Sons Plumbing INC
  Plumbing · San Juan Capistrano · #1083519
  Active No insurance on file
• Malibu Plumbing INC
  Plumbing · Malibu · #932250
  Active Insurance current
• Mallard Plumbing
  Plumbing · Oakland · #443102
  Active Insurance current
• Malmac
  Plumbing, HVAC · Escondido · #781230
  Active Insurance current
• Malsan Plumbing
  Plumbing, HVAC · Los Angeles · #1031903
  Active Insurance current

Last checked against state records on Oct 9, 2026. How we get this data.