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 6,841–6,900 of 12,055 contractors

MJL Plumbing INC
Sacramento, CA · CSLB #1134480 · as of October 8, 2026
Active · clear
MJM Plumbing
El Cajon, CA · CSLB #776399 · as of October 8, 2026
Active · clear
MJM Plumbing INC
Monrovia, CA · CSLB #1139628 · as of October 8, 2026
Active · clear
M J Plumbing
Lancaster, CA · CSLB #1145326 · as of October 8, 2026
Active · clear
M J Plumbing & Repair INC
Lompoc, CA · CSLB #1031797 · as of October 8, 2026
Active · clear
MJ Plumbing & Re-pipe INC
Los Banos, CA · CSLB #1138576 · as of October 8, 2026
Active · clear
M J Plumbing & Rooter
Hawthorne, CA · CSLB #968591 · as of October 8, 2026
Active · clear
M J Plumbing Systems
Orange, CA · CSLB #911755 · as of October 8, 2026
Active · clear
MJR Plumbing
Baldwin Park, CA · CSLB #1108788 · as of October 8, 2026
Active · clear
M J R Plumbing
Santa Barbara, CA · CSLB #668647 · as of October 8, 2026
Active · clear
M J S Plumbing
Murrieta, CA · CSLB #965138 · as of October 8, 2026
Active · clear
Mj's Plumbing INC
Chula Vista, CA · CSLB #1109724 · as of October 8, 2026
Active · clear
M J The Plumber INC
Sylmar, CA · CSLB #1084739 · as of October 8, 2026
Active · clear
MKM Plumbing
Westminster, CA · CSLB #1154669 · as of October 8, 2026
Active · clear
MK Pools & Gasworx INC
Simi Valley, CA · CSLB #1024181 · as of October 8, 2026
Active · clear
MKR Plumbing INC
Fontana, CA · CSLB #979819 · as of October 8, 2026
Active · clear
MLB Builders LLC DBA MLB Plumbing
Pasadena, CA · CSLB #1119252 · as of October 8, 2026
Active · clear
ML Lucas Plumbing
Lawndale, CA · CSLB #1157640 · as of October 8, 2026
Active · clear
M L M Plumbing
Ojai, CA · CSLB #979563 · as of October 8, 2026
Active · clear
ML Plumbing
Running Springs, CA · CSLB #1128201 · as of October 8, 2026
Active · clear
ML Plumbing Services INC
San Marcos, CA · CSLB #979732 · as of October 8, 2026
Active · clear
M & L Professional Services INC
Lemon Grove, CA · CSLB #900618 · as of October 8, 2026
Active · clear
M L T Plumbing
Northridge, CA · CSLB #1030272 · as of October 8, 2026
Active · clear
MMD Plumbing
Roseville, CA · CSLB #1144120 · as of October 8, 2026
Active · clear
M & M Jetting Services INC
Los Angeles, CA · CSLB #1157904 · as of October 8, 2026
Active · clear
M & M Plumbing
Compton, CA · CSLB #825193 · as of October 8, 2026
Active · clear
M & M Plumbing
Pinole, CA · CSLB #1061762 · as of October 8, 2026
Active · clear
M & M Plumbing
Santa Rosa, CA · CSLB #849502 · as of October 8, 2026
Active · clear
M & M Plumbing
Arroyo Grande, CA · CSLB #573911 · as of October 8, 2026
Active · clear
M M Plumbing
Canoga Park, CA · CSLB #751003 · as of October 8, 2026
Active · clear
M M Plumbing
Van Nuys, CA · CSLB #968891 · as of October 8, 2026
Active · clear
M M Plumbing
Menlo Park, CA · CSLB #733217 · as of October 8, 2026
Active · clear
MM Plumbing
Indio, CA · CSLB #1087854 · as of October 8, 2026
Active · clear
M & M Plumbing And Rooter INC
Downey, CA · CSLB #1110797 · as of October 8, 2026
Active · clear
MM Plumbing Maintenance & Repair
Santa Ana, CA · CSLB #986704 · as of October 8, 2026
Active · clear
M & M Plumbing & Rooter
Encino, CA · CSLB #914671 · as of October 8, 2026
Active · clear
MMP Ventures INC
Herriman, CA · CSLB #1052466 · as of October 8, 2026
Active · clear
M & M Rooter And Plumbing
Arcadia, CA · CSLB #970899 · as of October 8, 2026
Active · clear
M & M Rooter Services INC
Northridge, CA · CSLB #1115313 · as of October 8, 2026
Active · clear
M & M Trenchless Sewer Pipe Lining INC
Reseda, CA · CSLB #1091058 · as of October 8, 2026
Active · clear
Mndzpipes Plumbing INC
Panorama City, CA · CSLB #1102850 · as of October 8, 2026
Active · clear
M & N Mechanical
Quartz Hill, CA · CSLB #911832 · as of October 8, 2026
Active · clear
MNM Plumbing
Los Alamitos, CA · CSLB #760019 · as of October 8, 2026
Active · clear
MN Plumbing
Santa Ana, CA · CSLB #1109741 · as of October 8, 2026
Active · clear
M&N Pro Plumbing CO
Fresno, CA · CSLB #1132790 · as of October 8, 2026
Active · clear
Mocal Plumbing Heating Home Improvements
Los Angeles, CA · CSLB #724546 · as of October 8, 2026
Active · clear
Model Plumbing
Pleasanton, CA · CSLB #657050 · as of October 8, 2026
Active · clear
Modern Cali Plumbers INC
Panorama City, CA · CSLB #1106821 · as of October 8, 2026
Active · clear
Modern Culture Plumbing INC
Orange, CA · CSLB #1094765 · as of October 8, 2026
Active · clear
Modern Misting Systems INC
Palm Desert, CA · CSLB #1000361 · as of October 8, 2026
Active · clear
Cota Companies LLC DBA Modern Perspective Plumbing
Arroyo Grande, CA · CSLB #1102487 · as of October 8, 2026
Active · clear
Modern Plumbers INC
Watsonville, CA · CSLB #1087753 · as of October 8, 2026
Active · clear
Modern Plumbing
Newport Beach, CA · CSLB #532614 · as of October 8, 2026
Active · clear
Modern Plumbing
Yuba City, CA · CSLB #897642 · as of October 8, 2026
Active · clear
Modern Improvements INC DBA Modern Plumbing Company
Redding, CA · CSLB #943532 · as of October 8, 2026
Active · clear
Modern Plumbing Solutions
Sacramento, CA · CSLB #1136454 · as of October 8, 2026
Active · clear
M O D Plumbing
Hidden Valley Lake, CA · CSLB #613550 · as of October 8, 2026
Active · clear
Moe's Plumbing
Santa Ynez, CA · CSLB #748594 · as of October 8, 2026
Active · clear
Moe's Plumbing
Chico, CA · CSLB #421596 · as of October 8, 2026
Active · clear
Robert Moffett Plumbing
Menifee, CA · CSLB #761297 · 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.