Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,111 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 18, 2026.

Showing 11,281–11,340 of 12,111 contractors

Whitco Plumbing
Thousand Oaks, CA · CSLB #715675 · as of October 18, 2026
Active · clear
Donald White
Pine Grove, CA · CSLB #1131795 · as of October 18, 2026
Active · clear
Harlan Cristy White
Ventura, CA · CSLB #628639 · as of October 18, 2026
Active · clear
White Horse Plumbing LLC
San Luis Obispo, CA · CSLB #1153325 · as of October 18, 2026
Active · clear
John White Plumbing
Covina, CA · CSLB #497638 · as of October 18, 2026
Active · clear
John White Rooter Connection INC
Culver City, CA · CSLB #954258 · as of October 18, 2026
Active · clear
Joshua Alexander White
Culver City, CA · CSLB #1046081 · as of October 18, 2026
Active · clear
A P Whiteley
Culver City, CA · CSLB #907672 · as of October 18, 2026
Active · clear
White Shoes Plumbing
Pomona, CA · CSLB #1145652 · as of October 18, 2026
Active · clear
Mark White's Plumbing
Huntington Beach, CA · CSLB #597679 · as of October 18, 2026
Active · clear
Nathan Whitledge Plumbing
Redding, CA · CSLB #1076769 · as of October 18, 2026
Active · clear
Whitmore Plumbing
West Sacramento, CA · CSLB #1019270 · as of October 18, 2026
Active · clear
Who Did It Plumbing & Rooter
Whittier, CA · CSLB #1143748 · as of October 18, 2026
Active · clear
Whrp Plumbing INC
Simi Valley, CA · CSLB #1070093 · as of October 18, 2026
Active · clear
Anthony G Whyms SR
Lancaster, CA · CSLB #718211 · as of October 18, 2026
Active · clear
Mike Wicken Plumbing
Rosamond, CA · CSLB #583919 · as of October 18, 2026
Active · clear
David Lee Wicketts
Placentia, CA · CSLB #596476 · as of October 18, 2026
Active · clear
Wielandt INC
La Verne, CA · CSLB #776395 · as of October 18, 2026
Active · clear
Wilcox Plumbing
Chowchilla, CA · CSLB #1055266 · as of October 18, 2026
Active · clear
Wildman Plumbing
Hemet, CA · CSLB #1101751 · as of October 18, 2026
Active · clear
Wild Weasel Plumbing
Los Angeles, CA · CSLB #997917 · as of October 18, 2026
Active · clear
Wild West Plumbing
Temecula, CA · CSLB #864976 · as of October 18, 2026
Active · clear
Wildwood Specialty Plumbing
Thousand Oaks, CA · CSLB #910653 · as of October 18, 2026
Active · clear
Wileman Plumbing
Atascadero, CA · CSLB #1081234 · as of October 18, 2026
Active · clear
Blake E Leiting DBA William Rieck Plumbing CO
Lompoc, CA · CSLB #805755 · as of October 18, 2026
Active · clear
Frank E Williams Plumbing Cont
Orangevale, CA · CSLB #613102 · as of October 18, 2026
Active · clear
Jacobi Williams Plumbing
Los Angeles, CA · CSLB #959612 · as of October 18, 2026
Active · clear
Marcus Williams
Menifee, CA · CSLB #1123454 · as of October 18, 2026
Active · clear
Matt Williams Plumbing
Orangevale, CA · CSLB #724565 · as of October 18, 2026
Active · clear
Williams Mechanical
Casmalia, CA · CSLB #1111650 · as of October 18, 2026
Active · clear
Mike Williams Plumbing
Walnut Creek, CA · CSLB #311842 · as of October 18, 2026
Active · clear
Williamson Plumbing And Mechanical
San Diego, CA · CSLB #974182 · as of October 18, 2026
Active · clear
Williams Plumbing Service
Lake Elsinore, CA · CSLB #776361 · as of October 18, 2026
Active · clear
Williams Pro Plumbing
Menifee, CA · CSLB #1153188 · as of October 18, 2026
Active · clear
Williams Rick
Rancho Cucamonga, CA · CSLB #1023004 · as of October 18, 2026
Active · clear
Williams Sanitary Service INC
Brentwood, CA · CSLB #907482 · as of October 18, 2026
Active · clear
Williams Underground Construction INC
Oakland, CA · CSLB #787857 · as of October 18, 2026
Active · clear
Willie D'S Plumbing
Kingsburg, CA · CSLB #1121840 · as of October 18, 2026
Active · clear
David Willis Plumbing
Oak View, CA · CSLB #878549 · as of October 18, 2026
Active · clear
William John Willison Iii
Yreka, CA · CSLB #1002574 · as of October 18, 2026
Active · clear
Willis Plumbing
Valley Springs, CA · CSLB #1113387 · as of October 18, 2026
Active · clear
Drake Gregory Wills
San Clemente, CA · CSLB #1079637 · as of October 18, 2026
Active · clear
Wills Plumbing
Stockton, CA · CSLB #532819 · as of October 18, 2026
Active · clear
Willy's Plumbing
Inglewood, CA · CSLB #576518 · as of October 18, 2026
Active · clear
Wilmar Edwin Bautista
San Jose, CA · CSLB #1045655 · as of October 18, 2026
Active · clear
Wilshire Plumbers
Burbank, CA · CSLB #453978 · as of October 18, 2026
Active · clear
Douglas E Wilson Plumbing INC
Santa Barbara, CA · CSLB #270630 · as of October 18, 2026
Active · clear
D Wilson Plumbing
Waterford, CA · CSLB #1109096 · as of October 18, 2026
Active · clear
Wilson Family Plumbing INC
Waterford, CA · CSLB #657274 · as of October 18, 2026
Active · clear
Mickey Leeallen Wilson
Norwalk, CA · CSLB #992029 · as of October 18, 2026
Active · clear
R K Wilson Plumbing
Seaside, CA · CSLB #544519 · as of October 18, 2026
Active · clear
Wilson's Plumbing
San Anselmo, CA · CSLB #623217 · as of October 18, 2026
Active · clear
Winder Plumbing Company INC
Murrieta, CA · CSLB #722186 · as of October 18, 2026
Active · clear
Windsor Plumbing
Healdsburg, CA · CSLB #1048711 · as of October 18, 2026
Active · clear
Phillip Winegar
Weldon, CA · CSLB #1085864 · as of October 18, 2026
Active · clear
Wing Plumbing INC
Glendale, CA · CSLB #1042268 · as of October 18, 2026
Active · clear
Thomas A Winnor
South Gate, CA · CSLB #790588 · as of October 18, 2026
Active · clear
Winston's Plumbing
Oakland, CA · CSLB #537739 · as of October 18, 2026
Active · clear
Win Win Plumbing
Bonita, CA · CSLB #1137705 · as of October 18, 2026
Active · clear
Peter H Wirsching
Granada Hills, CA · CSLB #664361 · as of October 18, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 18, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.