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 4,501–4,560 of 12,024 contractors

G P S Plumbing
San Mateo, CA · CSLB #672474 · as of July 1, 2026
Active · clear
GPS Plumbing INC
Cudahy, CA · CSLB #1152647 · as of July 1, 2026
Active · clear
GQ Total Plumbing Solutions
Twentynine Palms, CA · CSLB #1124283 · as of July 1, 2026
Active · clear
Grace Plumbing
Thousand Oaks, CA · CSLB #1130337 · as of July 1, 2026
Active · clear
Grace Plumbing INC
Glendale, CA · CSLB #728578 · as of July 1, 2026
Active · clear
Grace Rooter And Plumbing
Ontario, CA · CSLB #817808 · as of July 1, 2026
Active · clear
Ruben Graciano
Solvang, CA · CSLB #882958 · as of July 1, 2026
Active · clear
Grade A Plumbing Services INC
San Jose, CA · CSLB #962210 · as of July 1, 2026
Active · clear
Grady Plumbing
Sacramento, CA · CSLB #1108746 · as of July 1, 2026
Active · clear
Graff Plumbing
San Pedro, CA · CSLB #963286 · as of July 1, 2026
Active · clear
Graham Backflow Services
Chico, CA · CSLB #1108196 · as of July 1, 2026
Active · clear
Nicholas Graham Plumbing
Rohnert Park, CA · CSLB #1127224 · as of July 1, 2026
Active · clear
Graham Plumbing And Drain Cleaning INC
Brea, CA · CSLB #997050 · as of July 1, 2026
Active · clear
Grand Plumbing
Highland, CA · CSLB #1082797 · as of July 1, 2026
Active · clear
Grant Plumbing
San Mateo, CA · CSLB #890480 · as of July 1, 2026
Active · clear
Grant & Sons Plumbing And Repair
El Cajon, CA · CSLB #1132443 · as of July 1, 2026
Active · clear
Grant's Plumbing
Escondido, CA · CSLB #1123672 · as of July 1, 2026
Active · clear
Grant's Plumbing
Newark, CA · CSLB #963364 · as of July 1, 2026
Active · clear
Steven Grass Plumbing
Sacramento, CA · CSLB #748979 · as of July 1, 2026
Active · clear
Gravity Plumbing
Los Banos, CA · CSLB #1135650 · as of July 1, 2026
Active · clear
Gray Drains INC
Redlands, CA · CSLB #1095776 · as of July 1, 2026
Active · clear
Gray Plumbing INC
Fairfield, CA · CSLB #1026573 · as of July 1, 2026
Active · clear
George Gray's Plumbing
Lakewood, CA · CSLB #711760 · as of July 1, 2026
Active · clear
Joe Ortega DBA Grayson Plumbing Supply
Dos Palos, CA · CSLB #551790 · as of July 1, 2026
Active · clear
Levon Grboyan
Tarzana, CA · CSLB #1070788 · as of July 1, 2026
Active · clear
G R B Plumbing
Lodi, CA · CSLB #939475 · as of July 1, 2026
Active · clear
G R C Plumbing
Bakersfield, CA · CSLB #914768 · as of July 1, 2026
Active · clear
Great Dane Plumbing And Backflow
Torrance, CA · CSLB #1155164 · as of July 1, 2026
Active · clear
Great Dane Plumbing INC
Atwater, CA · CSLB #1143622 · as of July 1, 2026
Active · clear
Great Park Plumbing INC
Lake Forest, CA · CSLB #1003658 · as of July 1, 2026
Active · clear
Green Alliance Plumbing INC
Hemet, CA · CSLB #1078689 · as of July 1, 2026
Active · clear
Green Arrow Plumbing
Burlingame, CA · CSLB #1136129 · as of July 1, 2026
Active · clear
Dale Green Plumbing
Riverside, CA · CSLB #350181 · as of July 1, 2026
Active · clear
Green Dot Plumbing + Plus
Goleta, CA · CSLB #736552 · as of July 1, 2026
Active · clear
Green Eagle Plumbing
Kensington, CA · CSLB #987565 · as of July 1, 2026
Active · clear
Green Earth Plumbing & Rooter
Irvine, CA · CSLB #707323 · as of July 1, 2026
Active · clear
Greene & Son Plumbing INC
Los Angeles, CA · CSLB #856951 · as of July 1, 2026
Active · clear
Joe Green Plumbing
Costa Mesa, CA · CSLB #390325 · as of July 1, 2026
Active · clear
Gary Wayne Green JR
Lake Elsinore, CA · CSLB #1040320 · as of July 1, 2026
Active · clear
Green Life Plumbing
Riverside, CA · CSLB #968684 · as of July 1, 2026
Active · clear
Zachary Shoemaker DBA Green Pipe Plumbing
Oakley, CA · CSLB #1099785 · as of July 1, 2026
Active · clear
Green Plumbing
Anaheim, CA · CSLB #936542 · as of July 1, 2026
Active · clear
Anthony Green's Plumbing
Simi Valley, CA · CSLB #847140 · as of July 1, 2026
Active · clear
Green's Plumbing
Bakersfield, CA · CSLB #920351 · as of July 1, 2026
Active · clear
Green's Plumbing Company
West Hills, CA · CSLB #620306 · as of July 1, 2026
Active · clear
Greenstone Plumbing
Sylmar, CA · CSLB #1111332 · as of July 1, 2026
Active · clear
Green-tech Plumbing
Paramount, CA · CSLB #1112861 · as of July 1, 2026
Active · clear
Green Valley Plumbing
Yucaipa, CA · CSLB #1022712 · as of July 1, 2026
Active · clear
Green Valley Plumbing INC
Atwater, CA · CSLB #958795 · as of July 1, 2026
Active · clear
Greenwall Plumbing
San Clemente, CA · CSLB #869501 · as of July 1, 2026
Active · clear
Greenway Drain Cleaning & Plumbing
Eureka, CA · CSLB #1082668 · as of July 1, 2026
Active · clear
Greenwood Plumbing
Woodacre, CA · CSLB #637671 · as of July 1, 2026
Active · clear
Greer Family Plumbing
Ripon, CA · CSLB #806518 · as of July 1, 2026
Active · clear
Gregg's Master Plumbing
Lomita, CA · CSLB #473194 · as of July 1, 2026
Active · clear
Greg's Rooter & Plumbing
Garden Grove, CA · CSLB #740303 · as of July 1, 2026
Active · clear
Greg's Sewer & Drains INC
Panorama City, CA · CSLB #1080352 · as of July 1, 2026
Active · clear
Gary Grewell Plumbing INC
Salinas, CA · CSLB #879701 · as of July 1, 2026
Active · clear
JP Grewell Plumbing
Hollister, CA · CSLB #1031420 · as of July 1, 2026
Active · clear
Grico's Plumbing CO
Gilroy, CA · CSLB #917979 · as of July 1, 2026
Active · clear
Scott Grider Plumbing
Salinas, CA · CSLB #641841 · 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.