Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 11,931 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 5, 2026.

Showing 9,181–9,240 of 11,931 contractors

Ross Adams Plumbing INC
Santa Ana, CA · CSLB #1126219 · as of July 5, 2026
Active · clear
Rossi Plumbing
Napa, CA · CSLB #1043683 · as of July 5, 2026
Active · clear
Cappello Brothers Plumbing INC DBA Rossman Plumbing
Riverside, CA · CSLB #1112686 · as of July 5, 2026
Active · clear
Phil Rotondi Plumbing
Lompoc, CA · CSLB #917950 · as of July 5, 2026
Active · clear
James Houston INC DBA Roto - Rooter
El Centro, CA · CSLB #774527 · as of July 5, 2026
Active · clear
Roto Rooter Lake Tahoe
Rocklin, CA · CSLB #1001120 · as of July 5, 2026
Active · clear
Roto Rooter Mad River Plumbing
Arcata, CA · CSLB #955997 · as of July 5, 2026
Active · clear
Dallas Woll INC DBA Roto Rooter Of Lake County
Kelseyville, CA · CSLB #432915 · as of July 5, 2026
Active · clear
Roto-rooter Sewer & Drain
Brisbane, CA · CSLB #633904 · as of July 5, 2026
Active · clear
Jerry Rous Plumbing
Ventura, CA · CSLB #649361 · as of July 5, 2026
Active · clear
Routhier Plumbing INC
Corona, CA · CSLB #984893 · as of July 5, 2026
Active · clear
R Routon INC
Stockton, CA · CSLB #667266 · as of July 5, 2026
Active · clear
Rowe Plumbing
Mountain View, CA · CSLB #888237 · as of July 5, 2026
Active · clear
Rowin Plumbing INC
Santa Clarita, CA · CSLB #639700 · as of July 5, 2026
Active · clear
Royal Flush Plumbing And Drains
Lakewood, CA · CSLB #957582 · as of July 5, 2026
Active · clear
Royal Flush Plumbing Sewer & Drain
El Dorado Hills, CA · CSLB #1130141 · as of July 5, 2026
Active · clear
Royal Flush Rooter & Plumbing
Torrance, CA · CSLB #908976 · as of July 5, 2026
Active · clear
Royal Plumbing
Escondido, CA · CSLB #951399 · as of July 5, 2026
Active · clear
Royal Plumbing
Redding, CA · CSLB #879168 · as of July 5, 2026
Active · clear
Royal Plumbing
North Hollywood, CA · CSLB #730409 · as of July 5, 2026
Active · clear
Peter J Barbosa INC DBA Royal Plumbing & Rooter
Pomona, CA · CSLB #562221 · as of July 5, 2026
Active · clear
Royal Plumbing & Rooter Service
Rancho Cordova, CA · CSLB #954012 · as of July 5, 2026
Active · clear
Royal Plumbing SB
Burbank, CA · CSLB #1135881 · as of July 5, 2026
Active · clear
Royal Plumbing Service
South San Francisco, CA · CSLB #609288 · as of July 5, 2026
Active · clear
Royal Plumbing Services
Rialto, CA · CSLB #1079041 · as of July 5, 2026
Active · clear
Royal Rooter
Antioch, CA · CSLB #862460 · as of July 5, 2026
Active · clear
Royal Rooter And Plumbing
Gardena, CA · CSLB #751946 · as of July 5, 2026
Active · clear
Royal Rooter Plumbing And Drain Cleaning Specialists
Oceanside, CA · CSLB #867328 · as of July 5, 2026
Active · clear
Royal Tech Plumbing INC
Redwood City, CA · CSLB #1096722 · as of July 5, 2026
Active · clear
Royalty Drains And Plumbing
San Diego, CA · CSLB #1057113 · as of July 5, 2026
Active · clear
Royalty Plumbing
Long Beach, CA · CSLB #1072993 · as of July 5, 2026
Active · clear
Royalty Plumbing And Drain
Menifee, CA · CSLB #1074065 · as of July 5, 2026
Active · clear
Royalty Plumbing INC
Ontario, CA · CSLB #1109464 · as of July 5, 2026
Active · clear
Royco Plumbing
Santa Ana, CA · CSLB #870548 · as of July 5, 2026
Active · clear
Roy's Plumbing
Elk Grove, CA · CSLB #782843 · as of July 5, 2026
Active · clear
Roy's Plumbing
Granada Hills, CA · CSLB #1043518 · as of July 5, 2026
Active · clear
RP3 Plumbing
La Mesa, CA · CSLB #1137839 · as of July 5, 2026
Active · clear
R P B Delta Plumbing
Corona, CA · CSLB #955615 · as of July 5, 2026
Active · clear
R P Discount Plumbing CO
El Monte, CA · CSLB #966305 · as of July 5, 2026
Active · clear
R P M Plumbing
Hat Creek, CA · CSLB #1109650 · as of July 5, 2026
Active · clear
R P M Responsible Plumbing Mechanics
Garden Grove, CA · CSLB #513214 · as of July 5, 2026
Active · clear
R P P INC
Exeter, CA · CSLB #998761 · as of July 5, 2026
Active · clear
R P Plumbing
Nipomo, CA · CSLB #1100603 · as of July 5, 2026
Active · clear
R P Plumbing & Rooter
Dana Point, CA · CSLB #899067 · as of July 5, 2026
Active · clear
R P Plumbing Service & Rooter
Lynwood, CA · CSLB #1021404 · as of July 5, 2026
Active · clear
R Pro Plumbing
Huntington Beach, CA · CSLB #1083114 · as of July 5, 2026
Active · clear
R P Service INC
Los Angeles, CA · CSLB #801161 · as of July 5, 2026
Active · clear
R P S Plumbing INC
San Jose, CA · CSLB #1049173 · as of July 5, 2026
Active · clear
R & R Plumbing
North Hollywood, CA · CSLB #432193 · as of July 5, 2026
Active · clear
R+R Plumbing Company
Grass Valley, CA · CSLB #1085221 · as of July 5, 2026
Active · clear
RR Plumbing INC
Palm Desert, CA · CSLB #1110052 · as of July 5, 2026
Active · clear
R R Plumbing - N - Minutes
Los Angeles, CA · CSLB #1116151 · as of July 5, 2026
Active · clear
R & R Building Services INC DBA R & R Plumbing Services
Inglewood, CA · CSLB #963771 · as of July 5, 2026
Active · clear
R & R Plumbing Services INC
Murrieta, CA · CSLB #936207 · as of July 5, 2026
Active · clear
R & R Plumbing Works
Grass Valley, CA · CSLB #647650 · as of July 5, 2026
Active · clear
Rrubias Plumbing & Rooter INC
Burbank, CA · CSLB #1022086 · as of July 5, 2026
Active · clear
R & S Appliance Installation INC
Livermore, CA · CSLB #757377 · as of July 5, 2026
Active · clear
R S C LLC Of Texas
Galveston, CA · CSLB #1057657 · as of July 5, 2026
Active · clear
RSD Plumbing & Hydro Jetting
Chula Vista, CA · CSLB #1133145 · as of July 5, 2026
Active · clear
R S G Plumbing & Heating INC
Los Angeles, CA · CSLB #960139 · as of July 5, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 5, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.