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 8,761–8,820 of 11,918 contractors

Reese Mechanical Contractors
Rio Oso, CA · CSLB #584373 · as of July 4, 2026
Active · clear
Reese Plumbing
San Clemente, CA · CSLB #954074 · as of July 4, 2026
Active · clear
William Albert Reese Iv
Carmel Valley, CA · CSLB #587317 · as of July 4, 2026
Active · clear
Referred Plumbing
Huntington Beach, CA · CSLB #1031880 · as of July 4, 2026
Active · clear
Refined Mechanical Plumbing INC
Apple Valley, CA · CSLB #1133171 · as of July 4, 2026
Active · clear
Regal Plumbing And Rooter
Fontana, CA · CSLB #1097482 · as of July 4, 2026
Active · clear
Regan's Plumbing Service
Granada Hills, CA · CSLB #600990 · as of July 4, 2026
Active · clear
Regency Plumbing & Piping INC
Orange, CA · CSLB #1013374 · as of July 4, 2026
Active · clear
Regina Plumbing
Cloverdale, CA · CSLB #857665 · as of July 4, 2026
Active · clear
Regina Plumbing INC
San Carlos, CA · CSLB #615954 · as of July 4, 2026
Active · clear
Region Plumbing INC
Rodeo, CA · CSLB #1123600 · as of July 4, 2026
Active · clear
R E Glenn Plumbing
El Cajon, CA · CSLB #979414 · as of July 4, 2026
Active · clear
Regulation Plumbing
Perris, CA · CSLB #1139161 · as of July 4, 2026
Active · clear
Regulation Plumbing
Truckee, CA · CSLB #958940 · as of July 4, 2026
Active · clear
Reid Plumbing And Drains
Ladera Ranch, CA · CSLB #1152270 · as of July 4, 2026
Active · clear
Reign Plumbing & Rooter INC
Santa Ana, CA · CSLB #1146159 · as of July 4, 2026
Active · clear
Reilly's Plumbing
Alta Loma, CA · CSLB #867638 · as of July 4, 2026
Active · clear
Reilly's Plumbing Company
Gilroy, CA · CSLB #989991 · as of July 4, 2026
Active · clear
Reimers Plumbing Service
Oroville, CA · CSLB #634526 · as of July 4, 2026
Active · clear
Reis Plumbing And Backflow
Hemet, CA · CSLB #1123419 · as of July 4, 2026
Active · clear
Rekmo Plumbing INC
Gilroy, CA · CSLB #1002530 · as of July 4, 2026
Active · clear
Reliable Bro Plumbing LLC
Sacramento, CA · CSLB #1144615 · as of July 4, 2026
Active · clear
Reliable Leak Detection And Rooter Specialists INC
Cathedral City, CA · CSLB #1045268 · as of July 4, 2026
Active · clear
Reliable Plumbing
Oakley, CA · CSLB #1153292 · as of July 4, 2026
Active · clear
Reliable Plumbing
Hidden Valley Lake, CA · CSLB #885558 · as of July 4, 2026
Active · clear
Reliable Plumbing
Dinuba, CA · CSLB #1135943 · as of July 4, 2026
Active · clear
Reliable Plumbing & Drain Cleaning INC
National City, CA · CSLB #930299 · as of July 4, 2026
Active · clear
Reliable Plumbing Expert LLC
Pleasant Hill, CA · CSLB #1131940 · as of July 4, 2026
Active · clear
Reliable Plumbing INC
Orangevale, CA · CSLB #855527 · as of July 4, 2026
Active · clear
A Reliable Plumbing LLC
Fresno, CA · CSLB #901640 · as of July 4, 2026
Active · clear
Reliable Plumbing Solutions INC
Beverly Hills, CA · CSLB #1078860 · as of July 4, 2026
Active · clear
Reliable Rooter And Plumbing Pro
Orangevale, CA · CSLB #1135837 · as of July 4, 2026
Active · clear
Reliable Rooter & Maintenance
Buellton, CA · CSLB #836857 · as of July 4, 2026
Active · clear
Reliable Rooter Plumbing
Simi Valley, CA · CSLB #697316 · as of July 4, 2026
Active · clear
Reliable Rooter & Plumbing INC
Costa Mesa, CA · CSLB #753331 · as of July 4, 2026
Active · clear
Reliable Water Heaters
Antioch, CA · CSLB #1040979 · as of July 4, 2026
Active · clear
Reliant Plumbing And Drain
Morgan Hill, CA · CSLB #1125974 · as of July 4, 2026
Active · clear
Reliant Water Heater And Filtration
San Marcos, CA · CSLB #1150297 · as of July 4, 2026
Active · clear
Relining Technologies
Los Alamitos, CA · CSLB #1050071 · as of July 4, 2026
Active · clear
Relyon Water INC
Vista, CA · CSLB #1058813 · as of July 4, 2026
Active · clear
Remarkable Rooter
Torrance, CA · CSLB #900999 · as of July 4, 2026
Active · clear
Remedy Plumber
Glendale, CA · CSLB #1039597 · as of July 4, 2026
Active · clear
Remedy Plumbing INC
Lake Elsinore, CA · CSLB #913623 · as of July 4, 2026
Active · clear
Remedy Rooter LLC
El Cajon, CA · CSLB #1087971 · as of July 4, 2026
Active · clear
R E M Plumbing INC
Lake Elsinore, CA · CSLB #875297 · as of July 4, 2026
Active · clear
Renaissance Plumbing
Summit, CA · CSLB #725169 · as of July 4, 2026
Active · clear
Renderos Plumbing
Oakland, CA · CSLB #1130363 · as of July 4, 2026
Active · clear
Rendon Plumbing Solutions INC
San Pedro, CA · CSLB #996279 · as of July 4, 2026
Active · clear
Renegade Plumbing
San Jose, CA · CSLB #1069667 · as of July 4, 2026
Active · clear
Rene Garcia
Sylmar, CA · CSLB #1152566 · as of July 4, 2026
Active · clear
Renew Plumbing And Drains
Corona, CA · CSLB #1098103 · as of July 4, 2026
Active · clear
Renoir Plumbing INC
Stevinson, CA · CSLB #651111 · as of July 4, 2026
Active · clear
Renowned Plumbing & Rooter INC
Upland, CA · CSLB #1088019 · as of July 4, 2026
Active · clear
Renshaw Plumbing & Mechanical INC
Calimesa, CA · CSLB #877128 · as of July 4, 2026
Active · clear
Alan Renzi Plumbing
Santa Cruz, CA · CSLB #1063416 · as of July 4, 2026
Active · clear
Repair Plumbing Now
San Diego, CA · CSLB #1125713 · as of July 4, 2026
Active · clear
Eugenio Repetto Plumber
Daly City, CA · CSLB #921122 · as of July 4, 2026
Active · clear
Repipe Expert INC
Glendale, CA · CSLB #1031177 · as of July 4, 2026
Active · clear
Repipe Home Hero
San Diego, CA · CSLB #1075463 · as of July 4, 2026
Active · clear
Repipe Max INC
La Mirada, CA · CSLB #1067279 · 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.