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 11,341–11,400 of 11,938 contractors

W R P Plumbing
Ione, CA · CSLB #902485 · as of July 8, 2026
Active · clear
WRS
Redondo Beach, CA · CSLB #1151940 · as of July 8, 2026
Active · clear
WS Plumbing INC
Yucca Valley, CA · CSLB #912730 · as of July 8, 2026
Active · clear
Wuillay Plumbing INC
Covina, CA · CSLB #527859 · as of July 8, 2026
Active · clear
Wu Plumbing
South San Francisco, CA · CSLB #1139383 · as of July 8, 2026
Active · clear
WW Plumbing INC
Newhall, CA · CSLB #842649 · as of July 8, 2026
Active · clear
Wyman Plumbing
Phoenix, CA · CSLB #1154228 · as of July 8, 2026
Active · clear
Wymore's Plumbing Service
Huntington Beach, CA · CSLB #717206 · as of July 8, 2026
Active · clear
Wynd Plumbing INC
Sylmar, CA · CSLB #1039407 · as of July 8, 2026
Active · clear
Thomas Wynns
West Hills, CA · CSLB #497093 · as of July 8, 2026
Active · clear
WZ Plumbing
Long Beach, CA · CSLB #1102580 · as of July 8, 2026
Active · clear
Xact Leak Detection
Cerritos, CA · CSLB #997164 · as of July 8, 2026
Active · clear
RTJ Companies INC DBA Xcel Plumbing
Irvine, CA · CSLB #980838 · as of July 8, 2026
Active · clear
Xclusive Plumbing INC
Tarzana, CA · CSLB #1147674 · as of July 8, 2026
Active · clear
Xela Plumbing INC
So San Francisco, CA · CSLB #1097481 · as of July 8, 2026
Active · clear
XH Plumbing Services
Rowland Heights, CA · CSLB #1153941 · as of July 8, 2026
Active · clear
Xin Feng Plumbing
San Francisco, CA · CSLB #984413 · as of July 8, 2026
Active · clear
Xin Plumbing Corporation
San Francisco, CA · CSLB #1077813 · as of July 8, 2026
Active · clear
XM Plumbing
Spring Valley, CA · CSLB #1154475 · as of July 8, 2026
Active · clear
Xpert Plumbing CO LLC
Eastvale, CA · CSLB #1153944 · as of July 8, 2026
Active · clear
X P Plumbing
La Mesa, CA · CSLB #1050218 · as of July 8, 2026
Active · clear
Xpress Leak Detection
Aliso Viejo, CA · CSLB #1115564 · as of July 8, 2026
Active · clear
Xpress One Plumber
Simi Valley, CA · CSLB #1099119 · as of July 8, 2026
Active · clear
X-ray Plumbing And Drain INC
San Francisco, CA · CSLB #1129001 · as of July 8, 2026
Active · clear
X - Spurt Plumbing INC
San Diego, CA · CSLB #761688 · as of July 8, 2026
Active · clear
Xtrah Plumbing CO
Orangevale, CA · CSLB #427482 · as of July 8, 2026
Active · clear
Xtra Plumbing INC
Compton, CA · CSLB #1120544 · as of July 8, 2026
Active · clear
Xtreme Drainworks INC
La Mesa, CA · CSLB #961494 · as of July 8, 2026
Active · clear
Xtreme Plumbers INC
Fullerton, CA · CSLB #1064715 · as of July 8, 2026
Active · clear
Xtreme Plumbing
Fresno, CA · CSLB #1134735 · as of July 8, 2026
Active · clear
Xtreme Plumbing
Alta Loma, CA · CSLB #788638 · as of July 8, 2026
Active · clear
Xtreme Plumbing INC
Madera, CA · CSLB #1123446 · as of July 8, 2026
Active · clear
Xtreme Plumbing Pros INC
Sacramento, CA · CSLB #1124910 · as of July 8, 2026
Active · clear
Xtreme Sewer And Drains INC
Fullerton, CA · CSLB #1087133 · as of July 8, 2026
Active · clear
Xtreme Xpert Plumbing
Los Angeles, CA · CSLB #1094094 · as of July 8, 2026
Active · clear
Xuming Cao
El Monte, CA · CSLB #1155136 · as of July 8, 2026
Active · clear
XYG Services INC DBA XYG Plumbing Services
San Diego, CA · CSLB #1013673 · as of July 8, 2026
Active · clear
Yang's Drain And Plumbing
Fresno, CA · CSLB #1096834 · as of July 8, 2026
Active · clear
Yang's Plumbing
Olivehurst, CA · CSLB #1022181 · as of July 8, 2026
Active · clear
Randy A Yard
Panguitch, CA · CSLB #369244 · as of July 8, 2026
Active · clear
Tony Ray Ybarra
Blythe, CA · CSLB #934610 · as of July 8, 2026
Active · clear
Y C Plumbing INC
San Francisco, CA · CSLB #839432 · as of July 8, 2026
Active · clear
Y Crew Plumbing Drain
San Jose, CA · CSLB #1153846 · as of July 8, 2026
Active · clear
Yeh's Plumbing And Backflow Specialist
Sacramento, CA · CSLB #1096863 · as of July 8, 2026
Active · clear
Yepez Plumbing
Dinuba, CA · CSLB #852344 · as of July 8, 2026
Active · clear
E Ye's Plumbing LLC
San Francisco, CA · CSLB #1080211 · as of July 8, 2026
Active · clear
Yeti Plumbing
Crestline, CA · CSLB #1057516 · as of July 8, 2026
Active · clear
YLP Plumbing INC
Glendale, CA · CSLB #1137484 · as of July 8, 2026
Active · clear
YMP Plumbing INC
Encino, CA · CSLB #1069643 · as of July 8, 2026
Active · clear
Jace Yoder Consultants
Goleta, CA · CSLB #574939 · as of July 8, 2026
Active · clear
Yogis Plumbing And Drain Service
Encinitas, CA · CSLB #1010127 · as of July 8, 2026
Active · clear
Yolo Plumbing INC
Woodland, CA · CSLB #967644 · as of July 8, 2026
Active · clear
Yonatan W Sales Hernandez
Los Angeles, CA · CSLB #1137435 · as of July 8, 2026
Active · clear
Yong K Yoon
Torrance, CA · CSLB #1009703 · as of July 8, 2026
Active · clear
Yorkshire Plumbing And Drain Services LLC
Santa Rosa, CA · CSLB #1108627 · as of July 8, 2026
Active · clear
Youm Plumbing Company INC
Irvine, CA · CSLB #1053363 · as of July 8, 2026
Active · clear
Jeffrey H Young
Highland, CA · CSLB #661630 · as of July 8, 2026
Active · clear
Young's Plumbing
San Clemente, CA · CSLB #1125126 · as of July 8, 2026
Active · clear
Young's Plumbing And Rooter
Rancho Cucamonga, CA · CSLB #1149468 · as of July 8, 2026
Active · clear
Young's Plumbing CO
San Jose, CA · CSLB #697856 · 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.