Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,024 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 July 1, 2026.

Showing 4,621–4,680 of 12,024 contractors

Gutierrez Rey Plumbing Service And Repair
Arcadia, CA · CSLB #1098877 · as of July 1, 2026
Active · clear
Rey S Gutierrez
Northridge, CA · CSLB #982122 · as of July 1, 2026
Active · clear
Gutman's Plumbing
Northridge, CA · CSLB #454031 · as of July 1, 2026
Active · clear
Steve Guyer Plumbing Services
Garden Grove, CA · CSLB #1031113 · as of July 1, 2026
Active · clear
Guzman And Sons INC
San Diego, CA · CSLB #1092555 · as of July 1, 2026
Active · clear
Guzman Plumbing
Hemet, CA · CSLB #1155028 · as of July 1, 2026
Active · clear
Guzman Plumbing Services
Baldwin Park, CA · CSLB #1152567 · as of July 1, 2026
Active · clear
GVS Plumbing INC
San Diego, CA · CSLB #1066304 · as of July 1, 2026
Active · clear
Jeff Gwon
Los Angeles, CA · CSLB #1053131 · as of July 1, 2026
Active · clear
G & W Plumbing
Northridge, CA · CSLB #638913 · as of July 1, 2026
Active · clear
G & W Plumbing & Repipe INC
Buena Park, CA · CSLB #992133 · as of July 1, 2026
Active · clear
GWS Plumbing & Sewer
San Mateo, CA · CSLB #1131694 · as of July 1, 2026
Active · clear
G & Z Plumbing Company
Keyes, CA · CSLB #1051464 · as of July 1, 2026
Active · clear
H2o Eagle Plumbing INC
Los Angeles, CA · CSLB #1110867 · as of July 1, 2026
Active · clear
H2o Flow
Foothill Ranch, CA · CSLB #1076502 · as of July 1, 2026
Active · clear
H2o Leak Detection Services LLC
San Diego, CA · CSLB #1151704 · as of July 1, 2026
Active · clear
H2o Plumbing
Van Nuys, CA · CSLB #988355 · as of July 1, 2026
Active · clear
H2o Plumbing
Redlands, CA · CSLB #964614 · as of July 1, 2026
Active · clear
H2o Plumbing And Drain Cleaning LLC
Felton, CA · CSLB #1115985 · as of July 1, 2026
Active · clear
H2o Plumbing BY Eddie Giffin
Antioch, CA · CSLB #770148 · as of July 1, 2026
Active · clear
Haarco Plumbing Solutions
Long Beach, CA · CSLB #988242 · as of July 1, 2026
Active · clear
Haas Plumbing
Big Bear City, CA · CSLB #1130432 · as of July 1, 2026
Active · clear
Habercom Industries LLC
San Diego, CA · CSLB #1157048 · as of July 1, 2026
Active · clear
Hack's Plumbing & Drain
Vista, CA · CSLB #1103201 · as of July 1, 2026
Active · clear
Haddad Plumbers INC
Pasadena, CA · CSLB #982500 · as of July 1, 2026
Active · clear
Hadden Plumbing LLC
Oceanside, CA · CSLB #1150069 · as of July 1, 2026
Active · clear
Haddly Plumbing
Sonoma, CA · CSLB #869145 · as of July 1, 2026
Active · clear
Hadley's Plumbing INC
Roseville, CA · CSLB #828704 · as of July 1, 2026
Active · clear
Dennis Haefele
Barstow, CA · CSLB #511465 · as of July 1, 2026
Active · clear
Paul Haefele
Barstow, CA · CSLB #923013 · as of July 1, 2026
Active · clear
Haffner Mechanical Systems
San Diego, CA · CSLB #1023978 · as of July 1, 2026
Active · clear
Steven Haflich Plumbing
Ramona, CA · CSLB #1030573 · as of July 1, 2026
Active · clear
Hagen Plumbing & Heating INC
Los Angeles, CA · CSLB #858452 · as of July 1, 2026
Active · clear
Hagen Plumbing INC
Downey, CA · CSLB #500679 · as of July 1, 2026
Active · clear
Gabby Hagopian
Tujunga, CA · CSLB #556047 · as of July 1, 2026
Active · clear
Bridgeview Enterprises INC DBA Hague Quality Water
Ramona, CA · CSLB #415453 · as of July 1, 2026
Active · clear
H A J Plumbing
San Francisco, CA · CSLB #860276 · as of July 1, 2026
Active · clear
Kevin Hale Plumbing
Los Angeles, CA · CSLB #1135994 · as of July 1, 2026
Active · clear
Hale & Sons Plumbing INC
Lakeside, CA · CSLB #970519 · as of July 1, 2026
Active · clear
Tim O Hale Plumbing Contractor
Los Angeles, CA · CSLB #689391 · as of July 1, 2026
Active · clear
Half Pipe Plumbing
San Juan Capistrano, CA · CSLB #981562 · as of July 1, 2026
Active · clear
Kevin Hall Plumbing
San Rafael, CA · CSLB #712358 · as of July 1, 2026
Active · clear
Hall's Plumbing
Tehachapi, CA · CSLB #738157 · as of July 1, 2026
Active · clear
Halls Plumbing
Esparto, CA · CSLB #969164 · as of July 1, 2026
Active · clear
Halo Plumbers Corp
Corona, CA · CSLB #1130889 · as of July 1, 2026
Active · clear
Halo Plumbing INC
Santee, CA · CSLB #945930 · as of July 1, 2026
Active · clear
Halstad Plumbing
Willits, CA · CSLB #1006313 · as of July 1, 2026
Active · clear
Sam Halstad Plumbing
Ukiah, CA · CSLB #432125 · as of July 1, 2026
Active · clear
Halverson Mechanical INC
Ogden, CA · CSLB #832613 · as of July 1, 2026
Active · clear
Halverson Plumbing
Lomita, CA · CSLB #1113899 · as of July 1, 2026
Active · clear
Hamer Plumbing
Big Bear Lake, CA · CSLB #913685 · as of July 1, 2026
Active · clear
Hamilton Plumbing
Citrus Heights, CA · CSLB #844676 · as of July 1, 2026
Active · clear
Hamilton Plumbing Corporation INC
Menifee, CA · CSLB #1105129 · as of July 1, 2026
Active · clear
Hamilton Plumbing INC
Modesto, CA · CSLB #1008980 · as of July 1, 2026
Active · clear
Hamilton Plumbing Sewer & Drain
Elk Grove, CA · CSLB #1037625 · as of July 1, 2026
Active · clear
Hamite Plumbing
Desert Hot Springs, CA · CSLB #818078 · as of July 1, 2026
Active · clear
Hamlet's Plumbing
Glendale, CA · CSLB #692484 · as of July 1, 2026
Active · clear
Frank Hamlin Plumbing
Santa Maria, CA · CSLB #704690 · as of July 1, 2026
Active · clear
Hamzeh Plumbing
San Mateo, CA · CSLB #945729 · as of July 1, 2026
Active · clear
Julian Hanauer
Los Angeles, CA · CSLB #1033479 · as of July 1, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 1, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.