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 4,621–4,680 of 12,055 contractors

Halverson Plumbing
Lomita, CA · CSLB #1113899 · as of October 8, 2026
Active · clear
Hamer Plumbing
Big Bear Lake, CA · CSLB #913685 · as of October 8, 2026
Active · clear
Hamilton Plumbing
Citrus Heights, CA · CSLB #844676 · as of October 8, 2026
Active · clear
Hamilton Plumbing Corporation INC
Menifee, CA · CSLB #1105129 · as of October 8, 2026
Active · clear
Hamilton Plumbing INC
Modesto, CA · CSLB #1008980 · as of October 8, 2026
Active · clear
Hamite Plumbing
Desert Hot Springs, CA · CSLB #818078 · as of October 8, 2026
Active · open complaint
Hamlet's Plumbing
Glendale, CA · CSLB #692484 · as of October 8, 2026
Active · clear
Frank Hamlin Plumbing
Santa Maria, CA · CSLB #704690 · as of October 8, 2026
Active · clear
Hammer's Plumbing & Drain Service
San Jose, CA · CSLB #1157719 · as of October 8, 2026
Active · clear
Hamzeh Plumbing
San Mateo, CA · CSLB #945729 · as of October 8, 2026
Active · clear
Julian Hanauer
Los Angeles, CA · CSLB #1033479 · as of October 8, 2026
Active · clear
Handel Plumbing INC
Lancaster, CA · CSLB #1100774 · as of October 8, 2026
Active · clear
Handlin 'it Plumbing
Antioch, CA · CSLB #1055937 · as of October 8, 2026
Active · clear
Hand Plumbing INC
Grass Valley, CA · CSLB #934900 · as of October 8, 2026
Active · clear
Handy Bay Plumbing
Patterson, CA · CSLB #1138148 · as of October 8, 2026
Active · clear
Handy Manny Plumbing
San Diego, CA · CSLB #1140515 · as of October 8, 2026
Active · clear
Handy Plumbing Man LLC
Redwood City, CA · CSLB #1056574 · as of October 8, 2026
Active · clear
Handy Rooter And Plumbing
San Jose, CA · CSLB #1048493 · as of October 8, 2026
Active · clear
Bryan Hanft Plumbing
Los Osos, CA · CSLB #993732 · as of October 8, 2026
Active · clear
Hang Ten Plumbing & Drains
San Diego, CA · CSLB #1151509 · as of October 8, 2026
Active · clear
Han Kook Plumbing
Campbell, CA · CSLB #589193 · as of October 8, 2026
Active · clear
Hank & Sons
Pomona, CA · CSLB #867480 · as of October 8, 2026
Active · clear
Sean Hanley
San Clemente, CA · CSLB #1019276 · as of October 8, 2026
Active · clear
Hanna Plumbing & Supply INC
Vista, CA · CSLB #705790 · as of October 8, 2026
Active · clear
Hannigan Plumbing
Ventura, CA · CSLB #827665 · as of October 8, 2026
Active · clear
A G Hansen Plumbing
Menlo Park, CA · CSLB #549086 · as of October 8, 2026
Active · clear
Hansen Plumbing
San Clemente, CA · CSLB #1137118 · as of October 8, 2026
Active · clear
Hansen's Plumbing And Rooter
Ventura, CA · CSLB #1157215 · as of October 8, 2026
Active · clear
Hanson Plumbing
Lakeport, CA · CSLB #448429 · as of October 8, 2026
Active · clear
Hanson Plumbing And Drain Cleaning
Bellflower, CA · CSLB #1112480 · as of October 8, 2026
Active · clear
Michael Wayne Hanson DBA Hanson Plumbing & Repipe
Fountain Valley, CA · CSLB #735400 · as of October 8, 2026
Active · clear
Happy Cowboy Plumbing
Anaheim, CA · CSLB #1078645 · as of October 8, 2026
Active · clear
Happy Flushin INC
Reseda, CA · CSLB #1124986 · as of October 8, 2026
Active · clear
Happy Rooter Enterprises INC
Rio Linda, CA · CSLB #875261 · as of October 8, 2026
Active · clear
Happy Water Heaters
Arroyo Grande, CA · CSLB #1086463 · as of October 8, 2026
Active · clear
Harbor Plumbing
Bakersfield, CA · CSLB #1086584 · as of October 8, 2026
Active · clear
Harbor Rooter & Plumbing Services
Wilmington, CA · CSLB #1155062 · as of October 8, 2026
Active · clear
Hard Core Plumbing Contractor INC
San Francisco, CA · CSLB #722776 · as of October 8, 2026
Active · clear
Shane Harden Plumbing
Marysville, CA · CSLB #815017 · as of October 8, 2026
Active · clear
Hardin Plumbing & Rooter
Granada Hills, CA · CSLB #1033994 · as of October 8, 2026
Active · clear
Hardy's Plumbing
Eureka, CA · CSLB #1003570 · as of October 8, 2026
Active · clear
Harmon Plumbing
La Habra, CA · CSLB #420539 · as of October 8, 2026
Active · clear
James D Harms
Lompoc, CA · CSLB #933723 · as of October 8, 2026
Active · clear
Harolds Plumbing And Rooter
Van Nuys, CA · CSLB #1042490 · as of October 8, 2026
Active · clear
David Harper Plumbing
Santee, CA · CSLB #850622 · as of October 8, 2026
Active · clear
Harp Plumbing Incorporated
Anaheim, CA · CSLB #520769 · as of October 8, 2026
Active · clear
Gabe Harris Plumbing INC
El Cajon, CA · CSLB #971423 · as of October 8, 2026
Active · clear
Jeff Harris Plumbing
Culver City, CA · CSLB #786116 · as of October 8, 2026
Active · clear
Harrison Plumbing
San Diego, CA · CSLB #1067036 · as of October 8, 2026
Active · clear
Harris Plumbing
Temecula, CA · CSLB #915681 · as of October 8, 2026
Active · clear
Harris Plumbing INC
El Dorado Hills, CA · CSLB #683805 · as of October 8, 2026
Active · clear
R R Pat Harris Plumbing INC
La Canada Flintridge, CA · CSLB #255601 · as of October 8, 2026
Active · clear
Harris Water Heaters INC
Castro Valley, CA · CSLB #1026214 · as of October 8, 2026
Active · clear
Harrius
San Mateo, CA · CSLB #1145225 · as of October 8, 2026
Active · clear
Hart 2 Hart Plumbing Services
Pasadena, CA · CSLB #1011534 · as of October 8, 2026
Active · clear
Hartman Plumbing
Lemon Grove, CA · CSLB #1126627 · as of October 8, 2026
Active · clear
Hartman Plumbing Services
Covina, CA · CSLB #1027891 · as of October 8, 2026
Active · clear
Hart Plumbing & Rooter INC
South Lake Tahoe, CA · CSLB #1060616 · as of October 8, 2026
Active · clear
Hayk Harutyunyan
North Hollywood, CA · CSLB #1140198 · as of October 8, 2026
Active · clear
Harvey And Son's Plumbing
Elk Grove, CA · CSLB #955982 · 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.