Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,091 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 October 14, 2026.

Showing 8,881–8,940 of 12,091 contractors

R H & Sons Water Services
Sebastopol, CA · CSLB #698774 · as of October 14, 2026
Active · clear
RHS Plumbing & Drains
Hacienda Heights, CA · CSLB #1094917 · as of October 14, 2026
Active · clear
Rhythm & Flow INC
Lake Balboa, CA · CSLB #1107335 · as of October 14, 2026
Active · clear
Ribbs Plumbing INC
San Jose, CA · CSLB #657845 · as of October 14, 2026
Active · clear
Jack Ricci
Glendora, CA · CSLB #411837 · as of October 14, 2026
Active · clear
Richard Kleker Plumbing
Pleasant Hill, CA · CSLB #549633 · as of October 14, 2026
Active · clear
Richard Plumbing
Hacienda Heights, CA · CSLB #862275 · as of October 14, 2026
Active · clear
Richards Dependable Backflow & Plumbing
Sacramento, CA · CSLB #997983 · as of October 14, 2026
Active · clear
Don Richard's Moonlite Plumbing
Santa Clarita, CA · CSLB #713053 · as of October 14, 2026
Active · clear
Burville Lee Richardson
Hemet, CA · CSLB #837444 · as of October 14, 2026
Active · clear
Richardson Plumbing
Hesperia, CA · CSLB #1144312 · as of October 14, 2026
Active · clear
Richard Dean MC Graw DBA Richard's Plumbing
Thousand Oaks, CA · CSLB #396343 · as of October 14, 2026
Active · clear
Richards Plumbing
Willows, CA · CSLB #956173 · as of October 14, 2026
Active · clear
Richard's Plumbing & Rooter INC
Lancaster, CA · CSLB #1131122 · as of October 14, 2026
Active · clear
Richie's Plumbing
Westwood, CA · CSLB #1059083 · as of October 14, 2026
Active · clear
Richland Plumbing INC
Orange, CA · CSLB #1094736 · as of October 14, 2026
Active · clear
Richline Plumbing INC
Sherman Oaks, CA · CSLB #1128675 · as of October 14, 2026
Active · clear
Rich's Plumbing
Hollister, CA · CSLB #1137786 · as of October 14, 2026
Active · clear
Rich Wilkins Plumbing
Laguna Beach, CA · CSLB #1103238 · as of October 14, 2026
Active · clear
Rickers Plumbing
Seal Beach, CA · CSLB #590852 · as of October 14, 2026
Active · clear
Rick Randolph Rooter
Los Angeles, CA · CSLB #881209 · as of October 14, 2026
Active · clear
Rick's Plumbing
San Marcos, CA · CSLB #302616 · as of October 14, 2026
Active · clear
Rick's Plumbing
Alameda, CA · CSLB #889757 · as of October 14, 2026
Active · clear
Ricks Plumbing
Fullerton, CA · CSLB #431773 · as of October 14, 2026
Active · clear
Rick The Happy Plumber INC
Anaheim, CA · CSLB #759839 · as of October 14, 2026
Active · clear
Ricky Jett
Big Bear City, CA · CSLB #1150873 · as of October 14, 2026
Active · clear
Ricky Serrano's Plumbing INC
Greenfield, CA · CSLB #1096104 · as of October 14, 2026
Active · clear
Ridgeline Plumbing INC
Santa Ynez, CA · CSLB #518395 · as of October 14, 2026
Active · clear
Ridge Plumbing
Nevada City, CA · CSLB #854139 · as of October 14, 2026
Active · clear
Rids Plumbing INC
South Gate, CA · CSLB #1108784 · as of October 14, 2026
Active · clear
Riff Raff Plumbing
Oakland, CA · CSLB #932219 · as of October 14, 2026
Active · clear
Right Choice Plumbing
Garden Grove, CA · CSLB #1107063 · as of October 14, 2026
Active · clear
Right Flow Plumbing
Gardena, CA · CSLB #983180 · as of October 14, 2026
Active · clear
Right - On Plumbing
Altadena, CA · CSLB #935422 · as of October 14, 2026
Active · clear
Right On Rooter
Inglewood, CA · CSLB #811506 · as of October 14, 2026
Active · clear
Right Price Rooter & Plumbing
Sunland, CA · CSLB #645613 · as of October 14, 2026
Active · clear
Right Services INC
Riverside, CA · CSLB #1161194 · as of October 14, 2026
Active · clear
Right Solution Plumbing
Banning, CA · CSLB #923342 · as of October 14, 2026
Active · clear
Right Water Plumbing
Fairfield, CA · CSLB #1144686 · as of October 14, 2026
Active · clear
Right - Way Corrigon
Concord, CA · CSLB #850370 · as of October 14, 2026
Active · clear
Right Way Plumbing
Orangevale, CA · CSLB #1104417 · as of October 14, 2026
Active · clear
Rightway Plumbing Sewer And Drain Services LLC
Lincoln, CA · CSLB #1137487 · as of October 14, 2026
Active · clear
Righty Roo Plumbing INC
Palm Desert, CA · CSLB #1041412 · as of October 14, 2026
Active · clear
Righty Tighty Plumbing INC
Riverside, CA · CSLB #1109011 · as of October 14, 2026
Active · clear
Rigney Plumbing INC
Petaluma, CA · CSLB #481056 · as of October 14, 2026
Active · clear
Rigobear
Los Angeles, CA · CSLB #1070611 · as of October 14, 2026
Active · clear
Rigs Rooter & Plumbing LLC
Garden Grove, CA · CSLB #1158731 · as of October 14, 2026
Active · clear
Rilo Plumbing
Placentia, CA · CSLB #934212 · as of October 14, 2026
Active · clear
Rincon Plumbing
Santa Barbara, CA · CSLB #1044799 · as of October 14, 2026
Active · clear
Rincon Plumbing
West Hills, CA · CSLB #708306 · as of October 14, 2026
Active · clear
Rincon Plumbing INC
Santa Barbara, CA · CSLB #1050775 · as of October 14, 2026
Active · clear
Rios Plumbing
Santa Barbara, CA · CSLB #1123531 · as of October 14, 2026
Active · clear
Rios Plumbing CO
South El Monte, CA · CSLB #678472 · as of October 14, 2026
Active · clear
Rios Plumbing INC
Santa Rosa, CA · CSLB #1117386 · as of October 14, 2026
Active · clear
Rios Plumbing Pros INC
Wildomar, CA · CSLB #1148333 · as of October 14, 2026
Active · clear
Rios Pro Plumbing Corp
Chula Vista, CA · CSLB #1161058 · as of October 14, 2026
Active · clear
Rio Vista Plumbing
Rio Vista, CA · CSLB #942760 · as of October 14, 2026
Active · clear
Tracy L Rippetoe
South Lake Tahoe, CA · CSLB #1044062 · as of October 14, 2026
Active · clear
Ripple Plumbing
Monrovia, CA · CSLB #1018253 · as of October 14, 2026
Active · clear
Rise Mechanical Group INC
San Diego, CA · CSLB #1156722 · as of October 14, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 14, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.