Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 11,918 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 4, 2026.

Showing 8,641–8,700 of 11,918 contractors

Rapid Water Heater INC
Chula Vista, CA · CSLB #1106421 · as of July 4, 2026
Active · clear
R & A Plumbing
Dublin, CA · CSLB #861402 · as of July 4, 2026
Active · clear
Jayson Robert Rappa
Lakewood, CA · CSLB #1084062 · as of July 4, 2026
Active · clear
R.a.p. Plumbing
Walnut Creek, CA · CSLB #1139304 · as of July 4, 2026
Active · clear
Rare Plumbing
Pasadena, CA · CSLB #1131461 · as of July 4, 2026
Active · clear
Raul Raudales
San Jose, CA · CSLB #1117312 · as of July 4, 2026
Active · clear
Rave Plumbing INC
Tujunga, CA · CSLB #1010141 · as of July 4, 2026
Active · clear
Rawhide Plumbing
Shingletown, CA · CSLB #987133 · as of July 4, 2026
Active · clear
Ray And Sons Plumbing
Granite Bay, CA · CSLB #937838 · as of July 4, 2026
Active · clear
Ray Arnold Plumbing
Kingsburg, CA · CSLB #897839 · as of July 4, 2026
Active · clear
Raymak Plumbing
Signal Hill, CA · CSLB #1001176 · as of July 4, 2026
Active · clear
Rayne Dealership Corporation
San Diego, CA · CSLB #807977 · as of July 4, 2026
Active · clear
Rayne Of Monterey INC
Seaside, CA · CSLB #1031372 · as of July 4, 2026
Active · clear
Ray Plumbing INC
Woodland Hills, CA · CSLB #1081025 · as of July 4, 2026
Active · clear
Ray's Leak Detection & Repair
Riverside, CA · CSLB #660333 · as of July 4, 2026
Active · clear
Ray's Plumbing
Poway, CA · CSLB #749354 · as of July 4, 2026
Active · clear
Rays Plumbing
Santa Barbara, CA · CSLB #1143005 · as of July 4, 2026
Active · clear
Ray's Plumbing Incorporation
Crestline, CA · CSLB #1048152 · as of July 4, 2026
Active · clear
Ray's Rescue Plumbing
Rohnert Park, CA · CSLB #1112228 · as of July 4, 2026
Active · clear
Rays Service One Plumbing
Oakland, CA · CSLB #1022293 · as of July 4, 2026
Active · clear
Rayta Plumbing
Oceanside, CA · CSLB #1067593 · as of July 4, 2026
Active · clear
Raytech Plumbing And Drains
Spring Valley, CA · CSLB #1091654 · as of July 4, 2026
Active · clear
Razo Plumbing
Hercules, CA · CSLB #1048294 · as of July 4, 2026
Active · clear
R A Z Plumbing
Glendale, CA · CSLB #933585 · as of July 4, 2026
Active · clear
R B F Plumbing INC
Chula Vista, CA · CSLB #607946 · as of July 4, 2026
Active · clear
R B G Plumbing
Bakersfield, CA · CSLB #1023560 · as of July 4, 2026
Active · clear
RBM Plumbing Systems Westcoast INC
Saint Augustine, CA · CSLB #1108593 · as of July 4, 2026
Active · clear
R Box Plumbing INC
Rancho Cordova, CA · CSLB #1022886 · as of July 4, 2026
Active · clear
RB Plumbing
Concord, CA · CSLB #1147252 · as of July 4, 2026
Active · clear
R B Plumbing And Mechanical
Hidden Valley Lake, CA · CSLB #998087 · as of July 4, 2026
Active · clear
R B Plumbing Company
Rimforest, CA · CSLB #432191 · as of July 4, 2026
Active · clear
RB Plumbing Services INC
San Jose, CA · CSLB #1118030 · as of July 4, 2026
Active · clear
R B S Plumbing
Granite Bay, CA · CSLB #871351 · as of July 4, 2026
Active · clear
R B S Plumbing
Lake Elsinore, CA · CSLB #862829 · as of July 4, 2026
Active · clear
RBS Plumbing CO
Hemet, CA · CSLB #1021541 · as of July 4, 2026
Active · clear
RBW Plumbing
Simi Valley, CA · CSLB #1006819 · as of July 4, 2026
Active · clear
R C A Plumbing
Lakewood, CA · CSLB #697773 · as of July 4, 2026
Active · clear
RC Drains Plumbing
Upland, CA · CSLB #1082000 · as of July 4, 2026
Active · clear
RC Jetting & Plumbing Solutions INC
Panorama City, CA · CSLB #1149692 · as of July 4, 2026
Active · clear
R C L Plumbing
Rialto, CA · CSLB #982980 · as of July 4, 2026
Active · clear
RCM Plumbing
Inglewood, CA · CSLB #1029981 · as of July 4, 2026
Active · clear
R C Plumbing
Mountain View, CA · CSLB #933515 · as of July 4, 2026
Active · clear
R C Plumbing
San Diego, CA · CSLB #1022522 · as of July 4, 2026
Active · clear
R C Plumbing
Sacramento, CA · CSLB #450139 · as of July 4, 2026
Active · clear
R C Plumbing
Modesto, CA · CSLB #753598 · as of July 4, 2026
Active · clear
R C Plumbing
Los Angeles, CA · CSLB #273564 · as of July 4, 2026
Active · clear
R C Plumbing
Paso Robles, CA · CSLB #782103 · as of July 4, 2026
Active · clear
R C Plumbing
Alameda, CA · CSLB #1149911 · as of July 4, 2026
Active · clear
RC Plumbing
Torrance, CA · CSLB #615894 · as of July 4, 2026
Active · clear
RC Plumbing
Huntington Beach, CA · CSLB #1047824 · as of July 4, 2026
Active · clear
R&C Plumbing And Repipe INC
Reseda, CA · CSLB #1141299 · as of July 4, 2026
Active · clear
RC Plumbing LLC
Napa, CA · CSLB #959384 · as of July 4, 2026
Active · clear
RC Plumbing Solutions
Carpinteria, CA · CSLB #1092679 · as of July 4, 2026
Active · clear
R C Plumbing Solutions INC
Huntington Beach, CA · CSLB #1001766 · as of July 4, 2026
Active · clear
R C Plumbing & Son
Baldwin Park, CA · CSLB #1013854 · as of July 4, 2026
Active · clear
R C P Plumbing INC
West Covina, CA · CSLB #998258 · as of July 4, 2026
Active · clear
R/C Solution Plumbing & Drain INC
Modesto, CA · CSLB #1028261 · as of July 4, 2026
Active · clear
Rc's Plumbing
Hacienda Heights, CA · CSLB #973409 · as of July 4, 2026
Active · clear
RC Total Plumbing INC
Sherman Oaks, CA · CSLB #1142580 · as of July 4, 2026
Active · clear
R C V Plumbing & Sewer
San Jose, CA · CSLB #874782 · as of July 4, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 4, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.