Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 11,938 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 8, 2026.

Showing 11,221–11,280 of 11,938 contractors

Westone Construction INC
Santa Clara, CA · CSLB #1136690 · as of July 8, 2026
Active · clear
West Pacific Plumbing & Svcs
Bonita, CA · CSLB #1078697 · as of July 8, 2026
Active · clear
West Plumbing
Millville, CA · CSLB #963891 · as of July 8, 2026
Active · clear
West Plumbing & Mechanical
Menifee, CA · CSLB #844004 · as of July 8, 2026
Active · clear
Westpro Plumbing INC
San Diego, CA · CSLB #777176 · as of July 8, 2026
Active · clear
West Shore Plumbing Company
Tahoma, CA · CSLB #963120 · as of July 8, 2026
Active · clear
West Side Plumbing
Modesto, CA · CSLB #1065075 · as of July 8, 2026
Active · clear
West Side Plumbing
Los Angeles, CA · CSLB #762540 · as of July 8, 2026
Active · clear
Westside Plumbing Services
Granada Hills, CA · CSLB #991017 · as of July 8, 2026
Active · clear
West Wing Plumbing INC
Orange, CA · CSLB #1107525 · as of July 8, 2026
Active · clear
Wham Plumbing INC
Riverside, CA · CSLB #1110901 · as of July 8, 2026
Active · clear
Wheeler Plumbing
Redondo Beach, CA · CSLB #1133403 · as of July 8, 2026
Active · clear
Wheeler Services
Salinas, CA · CSLB #825773 · as of July 8, 2026
Active · clear
Whest Koast Plumbing
Rocklin, CA · CSLB #771281 · as of July 8, 2026
Active · clear
Whistle Plumbing INC
Daly City, CA · CSLB #962328 · as of July 8, 2026
Active · clear
Alvie Whitaker Plumbing INC
Los Olivos, CA · CSLB #953458 · as of July 8, 2026
Active · clear
Whitaker Plumbing INC
Granada Hills, CA · CSLB #1053812 · as of July 8, 2026
Active · clear
Whitco Plumbing
Thousand Oaks, CA · CSLB #715675 · as of July 8, 2026
Active · clear
Donald White
Pine Grove, CA · CSLB #1131795 · as of July 8, 2026
Active · clear
Harlan Cristy White
Ventura, CA · CSLB #628639 · as of July 8, 2026
Active · clear
White Horse Plumbing LLC
San Luis Obispo, CA · CSLB #1153325 · as of July 8, 2026
Active · clear
John White Plumbing
Oxnard, CA · CSLB #894385 · as of July 8, 2026
Active · clear
John White Plumbing
Covina, CA · CSLB #497638 · as of July 8, 2026
Active · clear
John White Rooter Connection INC
Culver City, CA · CSLB #954258 · as of July 8, 2026
Active · clear
Joshua Alexander White
Culver City, CA · CSLB #1046081 · as of July 8, 2026
Active · clear
A P Whiteley
Culver City, CA · CSLB #907672 · as of July 8, 2026
Active · clear
White Shoes Plumbing
Pomona, CA · CSLB #1145652 · as of July 8, 2026
Active · clear
Mark White's Plumbing
Huntington Beach, CA · CSLB #597679 · as of July 8, 2026
Active · clear
Nathan Whitledge Plumbing
Redding, CA · CSLB #1076769 · as of July 8, 2026
Active · clear
Whitmore Plumbing
West Sacramento, CA · CSLB #1019270 · as of July 8, 2026
Active · clear
Who Did It Plumbing & Rooter
Whittier, CA · CSLB #1143748 · as of July 8, 2026
Active · clear
Anthony G Whyms SR
Lancaster, CA · CSLB #718211 · as of July 8, 2026
Active · clear
Mike Wicken Plumbing
Rosamond, CA · CSLB #583919 · as of July 8, 2026
Active · clear
Wicker Water Well INC
Anza, CA · CSLB #816551 · as of July 8, 2026
Active · clear
Wielandt INC
La Verne, CA · CSLB #776395 · as of July 8, 2026
Active · clear
Wilcox Plumbing
Chowchilla, CA · CSLB #1055266 · as of July 8, 2026
Active · clear
Wildman Plumbing
Hemet, CA · CSLB #1101751 · as of July 8, 2026
Active · clear
Wild Weasel Plumbing
Los Angeles, CA · CSLB #997917 · as of July 8, 2026
Active · clear
Wild West Plumbing
Temecula, CA · CSLB #864976 · as of July 8, 2026
Active · clear
Wildwood Specialty Plumbing
Thousand Oaks, CA · CSLB #910653 · as of July 8, 2026
Active · clear
Wileman Plumbing
Atascadero, CA · CSLB #1081234 · as of July 8, 2026
Active · clear
Blake E Leiting DBA William Rieck Plumbing CO
Lompoc, CA · CSLB #805755 · as of July 8, 2026
Active · clear
Frank E Williams Plumbing Cont
Orangevale, CA · CSLB #613102 · as of July 8, 2026
Active · clear
Marcus Williams
Menifee, CA · CSLB #1123454 · as of July 8, 2026
Active · clear
Matt Williams Plumbing
Orangevale, CA · CSLB #724565 · as of July 8, 2026
Active · clear
Williams Mechanical
Casmalia, CA · CSLB #1111650 · as of July 8, 2026
Active · clear
Mike Williams Plumbing
Walnut Creek, CA · CSLB #311842 · as of July 8, 2026
Active · clear
Williamson Plumbing And Mechanical
San Diego, CA · CSLB #974182 · as of July 8, 2026
Active · clear
Williams Plumbing Service
Lake Elsinore, CA · CSLB #776361 · as of July 8, 2026
Active · clear
Williams Pro Plumbing
Menifee, CA · CSLB #1153188 · as of July 8, 2026
Active · clear
Williams Rick
Rancho Cucamonga, CA · CSLB #1023004 · as of July 8, 2026
Active · clear
Williams Sanitary Service INC
Brentwood, CA · CSLB #907482 · as of July 8, 2026
Active · clear
Williams Underground Construction INC
Oakland, CA · CSLB #787857 · as of July 8, 2026
Active · clear
Willie D'S Plumbing
Kingsburg, CA · CSLB #1121840 · as of July 8, 2026
Active · clear
David Willis Plumbing
Oak View, CA · CSLB #878549 · as of July 8, 2026
Active · clear
William John Willison Iii
Yreka, CA · CSLB #1002574 · as of July 8, 2026
Active · clear
Willis Plumbing
Valley Springs, CA · CSLB #1113387 · as of July 8, 2026
Active · clear
Drake Gregory Wills
San Clemente, CA · CSLB #1079637 · as of July 8, 2026
Active · clear
Wills Plumbing
Stockton, CA · CSLB #532819 · as of July 8, 2026
Active · clear
Willy's Plumbing
Inglewood, CA · CSLB #576518 · as of July 8, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.