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 8,701–8,760 of 11,918 contractors

R D L Plumbing INC
Hanford, CA · CSLB #1016208 · as of July 4, 2026
Active · clear
R D M Plumbing
Indio, CA · CSLB #1053243 · as of July 4, 2026
Active · clear
Rdodson Plumbing & Rooter INC
Riverside, CA · CSLB #1126494 · as of July 4, 2026
Active · clear
R D Plumbing
San Diego, CA · CSLB #1033740 · as of July 4, 2026
Active · clear
R & D Plumbing & Rooter INC
Los Angeles, CA · CSLB #765862 · as of July 4, 2026
Active · clear
R D Plumbing Services INC
North Hills, CA · CSLB #1135188 · as of July 4, 2026
Active · clear
R D S Mechanical
Palmdale, CA · CSLB #556672 · as of July 4, 2026
Active · clear
RDZ Plumbing And Drains
San Diego, CA · CSLB #1041118 · as of July 4, 2026
Active · clear
Frank Reade Plumbing
San Marcos, CA · CSLB #415278 · as of July 4, 2026
Active · clear
Readyfast Rooter And Plumbing INC
Long Beach, CA · CSLB #1062004 · as of July 4, 2026
Active · clear
Ready Rooter
San Francisco, CA · CSLB #656907 · as of July 4, 2026
Active · clear
Ready Set Plumb-ing And Rooter
Highland, CA · CSLB #1104772 · as of July 4, 2026
Active · clear
Real Deal Plumbing SD LLC
La Mesa, CA · CSLB #1129530 · as of July 4, 2026
Active · clear
Real Plumbers
Los Angeles, CA · CSLB #791166 · as of July 4, 2026
Active · clear
Real Plumbing And Rooter Services INC
Reseda, CA · CSLB #852921 · as of July 4, 2026
Active · clear
Real Service Plumbing INC
Moreno Valley, CA · CSLB #1087430 · as of July 4, 2026
Active · clear
Realz Plumbing
Blue Jay, CA · CSLB #1145817 · as of July 4, 2026
Active · clear
Ream
Los Angeles, CA · CSLB #1097107 · as of July 4, 2026
Active · clear
Rea Plumbing INC
Santa Rosa, CA · CSLB #1142259 · as of July 4, 2026
Active · clear
K H Reardon Plumbing
Redondo Beach, CA · CSLB #712650 · as of July 4, 2026
Active · clear
Reasonable Drain & Plumbing Repair INC
San Diego, CA · CSLB #854460 · as of July 4, 2026
Active · clear
Rebel Plumbing
San Diego, CA · CSLB #1109534 · as of July 4, 2026
Active · clear
Reboot Plumbing LLC
Lakeside, CA · CSLB #1140521 · as of July 4, 2026
Active · clear
H Recendiz Plumbing
Los Angeles, CA · CSLB #1037465 · as of July 4, 2026
Active · clear
Recinos Plumbing A Partnership
San Francisco, CA · CSLB #1126412 · as of July 4, 2026
Active · clear
Reckon And Reckon Plumbing INC
Van Nuys, CA · CSLB #860633 · as of July 4, 2026
Active · clear
Recon Plumbing
Riverside, CA · CSLB #886481 · as of July 4, 2026
Active · clear
Rector Plumbing INC
Santa Rosa, CA · CSLB #972004 · as of July 4, 2026
Active · clear
Rector Plumbing & Radiant Heating
Chicago Park, CA · CSLB #955420 · as of July 4, 2026
Active · clear
Red Ball Plumbing INC
Buena Park, CA · CSLB #1103640 · as of July 4, 2026
Active · clear
Red Brothers Plumbing INC
Canoga Park, CA · CSLB #1052625 · as of July 4, 2026
Active · clear
Reddi-rooter
Concord, CA · CSLB #613193 · as of July 4, 2026
Active · clear
Redeemed Plumbing
Jamul, CA · CSLB #1128074 · as of July 4, 2026
Active · clear
Redfern & Redfern Plumbing
Meadow Vista, CA · CSLB #761549 · as of July 4, 2026
Active · clear
Red Hat Plumbing
Studio City, CA · CSLB #1027638 · as of July 4, 2026
Active · clear
Red Hawk Plumbing
Sylmar, CA · CSLB #1055538 · as of July 4, 2026
Active · clear
Redhead Rooter INC
Upland, CA · CSLB #1092145 · as of July 4, 2026
Active · clear
Redhill Plumbing
Rancho Cucamonga, CA · CSLB #1054041 · as of July 4, 2026
Active · clear
Redi - Rooter Plumbing INC
Visalia, CA · CSLB #865058 · as of July 4, 2026
Active · clear
Redline Plumbing
El Cajon, CA · CSLB #1019755 · as of July 4, 2026
Active · clear
Red Line Rooter INC
Norco, CA · CSLB #1012202 · as of July 4, 2026
Active · clear
Red Oak Rooter
Los Angeles, CA · CSLB #1048735 · as of July 4, 2026
Active · clear
Redondo Plumbing
Lemon Grove, CA · CSLB #1142511 · as of July 4, 2026
Active · clear
Red Plumbers INC
Encino, CA · CSLB #1022732 · as of July 4, 2026
Active · clear
Red Plumbing California
Fresno, CA · CSLB #1143990 · as of July 4, 2026
Active · clear
Red Rocket Plumbing
Helendale, CA · CSLB #1103847 · as of July 4, 2026
Active · clear
Red Rooster Rooter INC
Nuevo, CA · CSLB #972788 · as of July 4, 2026
Active · clear
Red's Plumbing
Santa Rosa, CA · CSLB #1087712 · as of July 4, 2026
Active · clear
Red's Plumbing INC
Atascadero, CA · CSLB #597191 · as of July 4, 2026
Active · clear
Red Star Plumbing
Brea, CA · CSLB #1035730 · as of July 4, 2026
Active · clear
Red Tulip Plumbing
Fremont, CA · CSLB #1092186 · as of July 4, 2026
Active · clear
Redwing Plumbing INC
Canyon Country, CA · CSLB #1144214 · as of July 4, 2026
Active · clear
Redwood Coast Plumbing
Arcata, CA · CSLB #807915 · as of July 4, 2026
Active · clear
Redwood Pacific Plumbing
San Jose, CA · CSLB #1064202 · as of July 4, 2026
Active · clear
Redwood Plumbing & Water Heaters
Dublin, CA · CSLB #1127271 · as of July 4, 2026
Active · clear
Redwood Sewer & Drain Service
Santa Rosa, CA · CSLB #1043000 · as of July 4, 2026
Active · clear
Red Wrench Plumbing INC
San Francisco, CA · CSLB #966458 · as of July 4, 2026
Active · clear
Reed Plumbing INC
Livermore, CA · CSLB #601931 · as of July 4, 2026
Active · clear
Reed's Plumbing
Capistrano Beach, CA · CSLB #687475 · as of July 4, 2026
Active · clear
Reed's Plumbing
Ontario, CA · CSLB #788531 · 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.