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 4,501–4,560 of 12,055 contractors

Green-tech Plumbing
Paramount, CA · CSLB #1112861 · as of October 8, 2026
Active · clear
Green Valley Plumbing INC
Atwater, CA · CSLB #958795 · as of October 8, 2026
Active · clear
Greenwall Plumbing
San Clemente, CA · CSLB #869501 · as of October 8, 2026
Active · clear
Greenway Drain Cleaning & Plumbing
Eureka, CA · CSLB #1082668 · as of October 8, 2026
Active · clear
Greenwood Plumbing
Woodacre, CA · CSLB #637671 · as of October 8, 2026
Active · clear
Greer Family Plumbing
Ripon, CA · CSLB #806518 · as of October 8, 2026
Active · clear
Gregg's Master Plumbing
Lomita, CA · CSLB #473194 · as of October 8, 2026
Active · clear
Greg's Rooter & Plumbing
Garden Grove, CA · CSLB #740303 · as of October 8, 2026
Active · clear
Greg's Sewer & Drains INC
Panorama City, CA · CSLB #1080352 · as of October 8, 2026
Active · clear
Gary Grewell Plumbing INC
Salinas, CA · CSLB #879701 · as of October 8, 2026
Active · clear
JP Grewell Plumbing
Hollister, CA · CSLB #1031420 · as of October 8, 2026
Active · clear
Scott Grider Plumbing
Salinas, CA · CSLB #641841 · as of October 8, 2026
Active · clear
Gridley Plumber Bob's INC
Gridley, CA · CSLB #401493 · as of October 8, 2026
Active · clear
James R Griego
Long Beach, CA · CSLB #915635 · as of October 8, 2026
Active · clear
Griego Plumbing
Truckee, CA · CSLB #687051 · as of October 8, 2026
Active · clear
Grieshaber Plumbing
Valley Center, CA · CSLB #1089222 · as of October 8, 2026
Active · clear
Dana Griffin
Smartville, CA · CSLB #523984 · as of October 8, 2026
Active · clear
Griffin Plumbing
Lakeside, CA · CSLB #824303 · as of October 8, 2026
Active · clear
Griffin Plumbing INC
Orcutt, CA · CSLB #823283 · as of October 8, 2026
Active · clear
Griffin's Plumbing
Studio City, CA · CSLB #1000098 · as of October 8, 2026
Active · clear
Joseph B Griffith
Los Angeles, CA · CSLB #572829 · as of October 8, 2026
Active · clear
Grivetti's 24 Hour Plumbing
San Francisco, CA · CSLB #1155324 · as of October 8, 2026
Active · clear
Grizzly Bear Plumbing LLC
Martinez, CA · CSLB #1100358 · as of October 8, 2026
Active · clear
Grizzly Plumbing INC
Santa Barbara, CA · CSLB #1059592 · as of October 8, 2026
Active · clear
Josh Gross Plumbing
Sparks, CA · CSLB #1128850 · as of October 8, 2026
Active · clear
Grounbreaking Plumbing LLC
Glendora, CA · CSLB #1160090 · as of October 8, 2026
Active · clear
Groundhog Plumbing
Bakersfield, CA · CSLB #1124131 · as of October 8, 2026
Active · clear
Ground Up Plumbing 24/7 INC
Escondido, CA · CSLB #1150189 · as of October 8, 2026
Active · clear
Gary R Richard DBA G R Plumbing
Somis, CA · CSLB #479548 · as of October 8, 2026
Active · clear
GR Plumbing
Marina, CA · CSLB #1106521 · as of October 8, 2026
Active · clear
GR Plumbing INC
Los Angeles, CA · CSLB #1047716 · as of October 8, 2026
Active · clear
GR Services Plumbing
San Pedro, CA · CSLB #1130162 · as of October 8, 2026
Active · clear
Dan Gruetzmacher Plumbing
Goleta, CA · CSLB #933850 · as of October 8, 2026
Active · clear
Gruner Plumbing
Indio, CA · CSLB #814711 · as of October 8, 2026
Active · clear
G S Custom Plumbing INC
Sherman Oaks, CA · CSLB #969248 · as of October 8, 2026
Active · clear
GSD Plumbing Services
Santa Monica, CA · CSLB #1153170 · as of October 8, 2026
Active · clear
G & S Plumbing Company INC
Norco, CA · CSLB #1004932 · as of October 8, 2026
Active · clear
GS Plumbing INC
Van Nuys, CA · CSLB #1131141 · as of October 8, 2026
Active · clear
G'S Plumbing & Rooter INC
La Habra, CA · CSLB #1047349 · as of October 8, 2026
Active · clear
G S Plumbing Services INC
Saugus, CA · CSLB #1057163 · as of October 8, 2026
Active · clear
G & S Reasonable Plumbing / All Tech
Ontario, CA · CSLB #764181 · as of October 8, 2026
Active · clear
G T O Plumbing And Rooter
Richmond, CA · CSLB #1094012 · as of October 8, 2026
Active · clear
G T Plumbing
Escondido, CA · CSLB #796462 · as of October 8, 2026
Active · clear
GT Rooter & Hydrojet
Covina, CA · CSLB #1145315 · as of October 8, 2026
Active · clear
GTR Plumbing INC
Sherman Oaks, CA · CSLB #1160196 · as of October 8, 2026
Active · clear
G T S Plumbing Professionals
Canyon Country, CA · CSLB #808019 · as of October 8, 2026
Active · clear
Guaranteed Plumbing
Indio, CA · CSLB #908774 · as of October 8, 2026
Active · clear
Marcus J Madrid INC DBA Guaranteed Plumbing
Lafayette, CA · CSLB #875614 · as of October 8, 2026
Active · clear
Guarantee Plumbing INC
West Hills, CA · CSLB #864484 · as of October 8, 2026
Active · clear
Guardian Plumbing INC
Cypress, CA · CSLB #928323 · as of October 8, 2026
Active · clear
Guardian Plumbing & Rooter
Panorama City, CA · CSLB #1056486 · as of October 8, 2026
Active · clear
Gudinos Plumbing
Rohnert Park, CA · CSLB #741934 · as of October 8, 2026
Active · clear
Guerra Plumbing
Modesto, CA · CSLB #958483 · as of October 8, 2026
Active · clear
Guerra Plumbing Service Contractors
Los Angeles, CA · CSLB #815715 · as of October 8, 2026
Active · clear
Guerrero's Plumbing Service
Granada Hills, CA · CSLB #1070778 · as of October 8, 2026
Active · clear
Guerrero Works INC
Simi Valley, CA · CSLB #1126129 · as of October 8, 2026
Active · clear
L Guevara Plumbing & Rooter
Daly City, CA · CSLB #988685 · as of October 8, 2026
Active · clear
Guillen Family Plumbing
Hesperia, CA · CSLB #1103449 · as of October 8, 2026
Active · clear
Guillen's Plumbing & Drain Specialist
Riverside, CA · CSLB #1098990 · as of October 8, 2026
Active · clear
Guillen's Plumbing INC
Lynwood, CA · CSLB #1062675 · 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.