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 421–480 of 12,055 contractors

Ag Plumbing & Maintenance INC
Rio Linda, CA · CSLB #1023271 · as of October 7, 2026
Active · clear
A Grade Plumbing
Oxnard, CA · CSLB #1143436 · as of October 7, 2026
Active · clear
A G R Plumbing
San Mateo, CA · CSLB #1072671 · as of October 7, 2026
Active · clear
A G S Plumbing
Lancaster, CA · CSLB #1022770 · as of October 7, 2026
Active · clear
Ag's Plumbing INC
Seaside, CA · CSLB #1128477 · as of October 7, 2026
Active · clear
Gerardo Gonzalez DBA Agua Plumbing
Sun Valley, CA · CSLB #757677 · as of October 7, 2026
Active · clear
Agua Viva Plumbing Corp
Los Angeles, CA · CSLB #1136549 · as of October 7, 2026
Active · clear
Aguayo Plumbing INC
Santee, CA · CSLB #1030301 · as of October 7, 2026
Active · clear
Aguilar Building Group
Arleta, CA · CSLB #890988 · as of October 7, 2026
Active · clear
Javier Aguilar
Los Angeles, CA · CSLB #1080824 · as of October 7, 2026
Active · clear
Aguilera Streamline Plumbing
San Jose, CA · CSLB #804606 · as of October 7, 2026
Active · clear
Aguirre Plumbing
Lancaster, CA · CSLB #859082 · as of October 7, 2026
Active · clear
Aguirre Plumbing Systems INC
Austin, CA · CSLB #1023701 · as of October 7, 2026
Active · clear
Agustin P Fuentes
North Hollywood, CA · CSLB #1137075 · as of October 7, 2026
Active · clear
Ahcor 3 Mechanical Plumbing
Coachella, CA · CSLB #1090961 · as of October 7, 2026
Active · clear
David Ahern
Pacifica, CA · CSLB #1109356 · as of October 7, 2026
Active · clear
Ahern & Sons Plumbing INC
Redding, CA · CSLB #640319 · as of October 7, 2026
Active · clear
Ahlee Backflow Service INC
Santee, CA · CSLB #516561 · as of October 7, 2026
Active · clear
A Honest Plumber LLC
San Diego, CA · CSLB #1147301 · as of October 7, 2026
Active · clear
A H Plumbing
Van Nuys, CA · CSLB #958257 · as of October 7, 2026
Active · clear
Ah Plumbing
Sun Valley, CA · CSLB #1110251 · as of October 7, 2026
Active · clear
Ahrens Plumbing
San Diego, CA · CSLB #933135 · as of October 7, 2026
Active · clear
Altadena Handyman LLC DBA Ah Repipe And Plumbing
Altadena, CA · CSLB #1025813 · as of October 7, 2026
Active · clear
Aia Plumbing & Backflow
San Pedro, CA · CSLB #1145663 · as of October 7, 2026
Active · clear
Aiden's Plumbing And Rooter
Glendale, CA · CSLB #1057799 · as of October 7, 2026
Active · clear
Aid Plumbing
Hemet, CA · CSLB #1037427 · as of October 7, 2026
Active · clear
Aim Plumbing California
Hemet, CA · CSLB #997922 · as of October 7, 2026
Active · clear
Aim Pump And Plumbing
Oceanside, CA · CSLB #1152470 · as of October 7, 2026
Active · clear
Aim Pump Services INC
Escondido, CA · CSLB #1068110 · as of October 7, 2026
Active · clear
Ainza Plumbing
Chula Vista, CA · CSLB #602941 · as of October 7, 2026
Active · clear
A I Plumbing
Panorama City, CA · CSLB #844121 · as of October 7, 2026
Active · clear
Airborne Plumbing INC
Spring Valley, CA · CSLB #841561 · as of October 7, 2026
Active · clear
Airgas USA LLC
Long Beach, CA · CSLB #986892 · as of October 7, 2026
Active · clear
Airlock Plumbing And Leak Detection Corporation
Long Beach, CA · CSLB #1161117 · as of October 7, 2026
Active · clear
A Jacques Plumbing & Drain
San Jose, CA · CSLB #1113896 · as of October 7, 2026
Active · clear
Ajc Plumbing Company
Long Beach, CA · CSLB #1019536 · as of October 7, 2026
Active · clear
Aje Monsters Plumbing INC
Gilroy, CA · CSLB #1002105 · as of October 7, 2026
Active · clear
Ajes INC
Burbank, CA · CSLB #518833 · as of October 7, 2026
Active · clear
Ajm Plumbing Specialist INC
Lancaster, CA · CSLB #1081355 · as of October 7, 2026
Active · clear
A J Plescia Plumbing
Sacramento, CA · CSLB #713575 · as of October 7, 2026
Active · clear
A & J Plumbing
Cathedral City, CA · CSLB #746329 · as of October 7, 2026
Active · clear
A & J Plumbing And Rooter
Wilmington, CA · CSLB #889571 · as of October 7, 2026
Active · clear
A & J Plumbing Company
Colton, CA · CSLB #1031639 · as of October 7, 2026
Active · clear
A & J Plumbing Construction Services
Compton, CA · CSLB #1145098 · as of October 7, 2026
Active · clear
Aj Plumbing Corp
Chula Vista, CA · CSLB #1119296 · as of October 7, 2026
Active · clear
A K A Plumbing
Glendale, CA · CSLB #963232 · as of October 7, 2026
Active · clear
Kenny Akins Plumbing
Poway, CA · CSLB #823070 · as of October 7, 2026
Active · clear
A K International
Van Nuys, CA · CSLB #535653 · as of October 7, 2026
Active · clear
Ak Plumbing
Fair Oaks, CA · CSLB #1007153 · as of October 7, 2026
Active · clear
Ak Plumbing And Drain Solutions
Atwater, CA · CSLB #1152065 · as of October 7, 2026
Active · clear
A & K Plumbing INC
San Francisco, CA · CSLB #1012064 · as of October 7, 2026
Active · clear
A & K Plumbing Mechanical And HVAC LLC
Queen Creek, CA · CSLB #1154433 · as of October 7, 2026
Active · clear
Alabout Plumbing INC
Garden Grove, CA · CSLB #1008743 · as of October 7, 2026
Active · clear
Alabout Plumbing J & C INC
Anaheim, CA · CSLB #1030281 · as of October 7, 2026
Active · clear
Nato INC DBA Aladdin's Plumbing
Mission Viejo, CA · CSLB #991751 · as of October 7, 2026
Active · clear
Alamo Plumbing & Rooter Services INC
Long Beach, CA · CSLB #815227 · as of October 7, 2026
Active · clear
Alan Barberena
Moreno Valley, CA · CSLB #1146644 · as of October 7, 2026
Active · clear
Alansi's Plumbing INC
Richmond, CA · CSLB #968129 · as of October 7, 2026
Active · clear
Alaska Water Products INC
San Clemente, CA · CSLB #962512 · as of October 7, 2026
Active · clear
Alas Plumbing INC
Granada Hills, CA · CSLB #1126895 · 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.