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 7, 2026.

Showing 481–540 of 12,055 contractors

Albano's Plumbing
Cerritos, CA · CSLB #458625 · as of October 7, 2026
Active · clear
Gary Alberici Plumbing
Irvine, CA · CSLB #1011469 · as of October 7, 2026
Active · clear
Albert Hall INC
San Bruno, CA · CSLB #875126 · as of October 7, 2026
Active · clear
Alberto Monroy's Plumbing
Moreno Valley, CA · CSLB #1110289 · as of October 7, 2026
Active · clear
Alberto Plumbing INC
San Fernando, CA · CSLB #1134746 · as of October 7, 2026
Active · clear
Alberto's Plumbing
Glendora, CA · CSLB #979569 · as of October 7, 2026
Active · clear
Albertos Plumbing
Pacoima, CA · CSLB #1046068 · as of October 7, 2026
Active · clear
Albertson Plumbing
Oakland, CA · CSLB #317171 · as of October 7, 2026
Active · clear
Albert's Plumbing And Rooter
Granada Hills, CA · CSLB #923678 · as of October 7, 2026
Active · clear
Albert's Plumbing & Drain Service
Santa Cruz, CA · CSLB #877333 · as of October 7, 2026
Active · clear
Albert's Plumbing INC
Sunland, CA · CSLB #649696 · as of October 7, 2026
Active · clear
Albion Plumbing & Rooter INC
San Leandro, CA · CSLB #899622 · as of October 7, 2026
Active · clear
Mike Albo Plumbing
Laurens, CA · CSLB #775295 · as of October 7, 2026
Active · clear
Albor Plumbing
Tracy, CA · CSLB #1093905 · as of October 7, 2026
Active · clear
Alb Plumbing
San Fernando, CA · CSLB #1067345 · as of October 7, 2026
Active · clear
Albright Plumbing
Visalia, CA · CSLB #1031172 · as of October 7, 2026
Active · clear
Albright Plumbing
Clayton, CA · CSLB #858118 · as of October 7, 2026
Active · clear
Albright Plumbing
Santa Rosa, CA · CSLB #643161 · as of October 7, 2026
Active · clear
Armando Alcantara
Huntington Beach, CA · CSLB #1078358 · as of October 7, 2026
Active · clear
Alcaraz Plumbing Corp
San Bernardino, CA · CSLB #1157278 · as of October 7, 2026
Active · clear
The Alcazar Plumbing Company
Richmond, CA · CSLB #957019 · as of October 7, 2026
Active · clear
Aldahl Plumbing
Long Beach, CA · CSLB #888099 · as of October 7, 2026
Active · clear
Alderman & Son Plumbing
Santa Rosa, CA · CSLB #749374 · as of October 7, 2026
Active · clear
Alder Plumbing
Reno, CA · CSLB #847572 · as of October 7, 2026
Active · clear
Aldo Maldonado
Baldwin Park, CA · CSLB #1152649 · as of October 7, 2026
Active · clear
Aldsbvtr
Ventura, CA · CSLB #1039306 · as of October 7, 2026
Active · clear
Alegre Plumbing
Fullerton, CA · CSLB #776206 · as of October 7, 2026
Active · clear
Alejandro's Plumbing
Fairfield, CA · CSLB #801439 · as of October 7, 2026
Active · clear
Aleman Plumbing INC
Salinas, CA · CSLB #1103034 · as of October 7, 2026
Active · clear
Aleman Quality Plumbing, INC
Sylmar, CA · CSLB #1117812 · as of October 7, 2026
Active · clear
Aleman's General Plumbing Services
Santa Ana, CA · CSLB #1075816 · as of October 7, 2026
Active · clear
Aleman's Plumbing INC
Pacoima, CA · CSLB #1057776 · as of October 7, 2026
Active · clear
Alemans Plumbing Service INC
Rialto, CA · CSLB #1127995 · as of October 7, 2026
Active · clear
Alemar Plumbing
Brawley, CA · CSLB #1099022 · as of October 7, 2026
Active · clear
Alert Plumbing & Drains INC
Chula Vista, CA · CSLB #863113 · as of October 7, 2026
Active · clear
Alert Plumbing INC
San Jose, CA · CSLB #853062 · as of October 7, 2026
Active · clear
Alesia Plumbing And Utilities Services
Pescadero, CA · CSLB #1155111 · as of October 7, 2026
Active · clear
David W Alexander
Van Nuys, CA · CSLB #449021 · as of October 7, 2026
Active · clear
David Alexy Alexanderian
Glendale, CA · CSLB #539684 · as of October 7, 2026
Active · clear
Alexanders Plumbing Service
Sunland, CA · CSLB #620854 · as of October 7, 2026
Active · clear
William Stuart Alexander
Redwood City, CA · CSLB #870423 · as of October 7, 2026
Active · clear
Alex Apodaca Plumbing
Morro Bay, CA · CSLB #1067174 · as of October 7, 2026
Active · clear
Alex Raffi Plumbing & Rooter INC
Mission Hills, CA · CSLB #1015467 · as of October 7, 2026
Active · clear
Alex Solutions Plumbing Vip
Hesperia, CA · CSLB #1130054 · as of October 7, 2026
Active · clear
Alex's Plumbing And Rooter
San Jose, CA · CSLB #1121140 · as of October 7, 2026
Active · clear
Alfa Opportunity Holdings DBA Alfa Plumbing
Albany, CA · CSLB #963788 · as of October 7, 2026
Active · clear
Douglas G Alfaro
Los Angeles, CA · CSLB #819818 · as of October 7, 2026
Active · clear
Alford Plumbing
Santa Barbara, CA · CSLB #928184 · as of October 7, 2026
Active · clear
Alf Plumbing INC
Fresno, CA · CSLB #1109556 · as of October 7, 2026
Active · clear
The Cooks' Line INC DBA Alfresco Heating
Novato, CA · CSLB #870395 · as of October 7, 2026
Active · clear
Ali's Plumbing
Torrance, CA · CSLB #951016 · as of October 7, 2026
Active · clear
Aljen Plumbing CO
Carlsbad, CA · CSLB #612121 · as of October 7, 2026
Active · clear
Tiago Alkana
Chatsworth, CA · CSLB #1013503 · as of October 7, 2026
Active · open complaint
All About Drains & Plumbing
San Ysidro, CA · CSLB #1115520 · as of October 7, 2026
Active · clear
All About Plumbing
Oceanside, CA · CSLB #1010450 · as of October 7, 2026
Active · clear
All About Plumbing INC
Spring Valley, CA · CSLB #1009150 · as of October 7, 2026
Active · clear
All Aces Backflow
Rancho Cucamonga, CA · CSLB #1071034 · as of October 7, 2026
Active · open complaint
All Aloha Plumbing San Diego LLC
Albany, CA · CSLB #1107520 · as of October 7, 2026
Active · clear
All American Plumbing & Drain
Santa Barbara, CA · CSLB #1034346 · as of October 7, 2026
Active · clear
All American Plumbing INC
Poway, CA · CSLB #986372 · as of October 7, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.