Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,055 California contractors classified C-36 (Plumbing (C-36)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of October 8, 2026.

Showing 6,541–6,600 of 12,055 contractors

Mark Sam Mayo
Agua Dulce, CA · CSLB #656466 · as of October 8, 2026
Active · clear
Mayo's Plumbing
Hidden Valley Lake, CA · CSLB #1101922 · as of October 8, 2026
Active · clear
M A Y Plumbing INC
La Quinta, CA · CSLB #967988 · as of October 8, 2026
Active · clear
May & Sasse Enterprises INC
Upland, CA · CSLB #981297 · as of October 8, 2026
Active · clear
Ken Mays Plumbing INC
Napa, CA · CSLB #839864 · as of October 8, 2026
Active · clear
Mazariego Plumbing INC
Los Angeles, CA · CSLB #1009903 · as of October 8, 2026
Active · clear
Mazovian Water Heaters
Vacaville, CA · CSLB #1151102 · as of October 8, 2026
Active · clear
Maz Plumbing Under Ground And Sewer Services LLC
San Mateo, CA · CSLB #1111601 · as of October 8, 2026
Active · clear
M B C Plumbing Services INC
San Marcos, CA · CSLB #945833 · as of October 8, 2026
Active · clear
M B J Plumbing
Los Angeles, CA · CSLB #962566 · as of October 8, 2026
Active · clear
MBJ Plumbing INC
Ceres, CA · CSLB #1134009 · as of October 8, 2026
Active · clear
M B Plumbing
Riverside, CA · CSLB #1033804 · as of October 8, 2026
Active · clear
M B Plumbing
Whittier, CA · CSLB #914447 · as of October 8, 2026
Active · clear
MB Plumbing
Gardnerville, CA · CSLB #1099668 · as of October 8, 2026
Active · clear
MB Plumbing LLC
Tahoe City, CA · CSLB #1113034 · as of October 8, 2026
Active · clear
MB Plumbing & Rooter
Costa Mesa, CA · CSLB #1137813 · as of October 8, 2026
Active · clear
MB Plumbing Services INC
Brea, CA · CSLB #804385 · as of October 8, 2026
Active · clear
MB Plumbing Solutions INC
Sacramento, CA · CSLB #1152578 · as of October 8, 2026
Active · clear
M Brothers Plumbing & Maintenance CO
Los Angeles, CA · CSLB #794431 · as of October 8, 2026
Active · clear
M & B Services INC
Oxnard, CA · CSLB #781862 · as of October 8, 2026
Active · clear
M B & Sons Plumbing INC
Gardena, CA · CSLB #833750 · as of October 8, 2026
Active · clear
Mc-2 Plumbing
Redwood City, CA · CSLB #1134523 · as of October 8, 2026
Active · clear
Mcafee Plumbing Service
Whittier, CA · CSLB #1117879 · as of October 8, 2026
Active · clear
Mca Flow Plumbing
Richmond, CA · CSLB #1159853 · as of October 8, 2026
Active · clear
M & Ca Plumbing INC
Stockton, CA · CSLB #1134985 · as of October 8, 2026
Active · clear
MC Avoy Enterprises
Madera, CA · CSLB #891190 · as of October 8, 2026
Active · clear
Derek MC Brearty Plumbing
Oakland, CA · CSLB #795277 · as of October 8, 2026
Active · clear
M MC Bride Plumbing
Alameda, CA · CSLB #554228 · as of October 8, 2026
Active · clear
Mcbride Plumbing
Escondido, CA · CSLB #1115345 · as of October 8, 2026
Active · clear
Jonathan Mcbride DBA Mcbride Plumbing Works
Lincoln, CA · CSLB #951322 · as of October 8, 2026
Active · clear
J MC Cabe Plumbing INC
Campbell, CA · CSLB #847889 · as of October 8, 2026
Active · clear
Mccafferty Brothers Plumbing LLC
Dixon, CA · CSLB #1159074 · as of October 8, 2026
Active · clear
MC Cann Plumbing
Atascadero, CA · CSLB #515435 · as of October 8, 2026
Active · clear
Patrick MC Carthy
Castro Valley, CA · CSLB #806963 · as of October 8, 2026
Active · clear
Rich MC Carthy Plumbing
Clayton, CA · CSLB #566929 · as of October 8, 2026
Active · clear
MC Cauley Bros Plumbing
Long Beach, CA · CSLB #846892 · as of October 8, 2026
Active · clear
Mccloskey Plumbing
Canyon Lake, CA · CSLB #996902 · as of October 8, 2026
Active · clear
Mccloud Plumbing
Mount Shasta, CA · CSLB #1064492 · as of October 8, 2026
Active · clear
Mcclure's Plumbing LLC
Browns Valley, CA · CSLB #1156165 · as of October 8, 2026
Active · clear
Pat MC Cormack Plumbing
San Clemente, CA · CSLB #636531 · as of October 8, 2026
Active · clear
Mccray Plumbing
Wildomar, CA · CSLB #1033896 · as of October 8, 2026
Active · clear
Mike MC Dermott Plumbing INC
Los Angeles, CA · CSLB #714498 · as of October 8, 2026
Active · clear
MC Dermott Plumbing
Lancaster, CA · CSLB #1028106 · as of October 8, 2026
Active · clear
Stephen Anthony MC Elfish
Running Springs, CA · CSLB #509711 · as of October 8, 2026
Active · clear
Mcfly Plumbing
Rohnert Park, CA · CSLB #1111006 · as of October 8, 2026
Active · clear
Mcgarry Plumbing INC
Montrose, CA · CSLB #1131092 · as of October 8, 2026
Active · clear
MC Gaughey Plumbing INC
Goleta, CA · CSLB #737796 · as of October 8, 2026
Active · clear
Mcgee Plumbing Company
Nevada City, CA · CSLB #1146163 · as of October 8, 2026
Active · clear
Mcgill Plumbing
Point Arena, CA · CSLB #1142773 · as of October 8, 2026
Active · clear
MC Gough Plumbing
Downey, CA · CSLB #503269 · as of October 8, 2026
Active · clear
Mcguire Plumbing
Alpine, CA · CSLB #1047433 · as of October 8, 2026
Active · clear
Mcintosh Plumbing Service
Mammoth Lakes, CA · CSLB #891764 · as of October 8, 2026
Active · clear
M C I Plumbing Corp
Riverside, CA · CSLB #961466 · as of October 8, 2026
Active · clear
M C & J Plumbing Services
Wilton, CA · CSLB #1122416 · as of October 8, 2026
Active · clear
Mckee Brother's Plumbing And Rooter
Woodland, CA · CSLB #1061711 · as of October 8, 2026
Active · clear
Mckee Plumbing
San Diego, CA · CSLB #1001672 · as of October 8, 2026
Active · clear
Robert G MC Kee Plumbing
Lake Havasu City, CA · CSLB #545750 · as of October 8, 2026
Active · clear
J MC Keeve Plumbing INC
Torrance, CA · CSLB #676755 · as of October 8, 2026
Active · clear
Daniel W MC Kenzie
Los Angeles, CA · CSLB #807265 · as of October 8, 2026
Active · clear
Mckenzie Plumbing
Newbury Park, CA · CSLB #1071120 · as of October 8, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.