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 9,241–9,300 of 11,931 contractors

R S Plumbing
Seaside, CA · CSLB #1152591 · as of July 5, 2026
Active · clear
R S Plumbing And Drain
Murrieta, CA · CSLB #947341 · as of July 5, 2026
Active · clear
R S Plumbing And Heating
El Cajon, CA · CSLB #391147 · as of July 5, 2026
Active · clear
R T Plumbing
Brentwood, CA · CSLB #981247 · as of July 5, 2026
Active · clear
R T Wilson Plumbing
Forest Knolls, CA · CSLB #723535 · as of July 5, 2026
Active · clear
Ruan Plumbing & Rooter Service
Wilmington, CA · CSLB #815047 · as of July 5, 2026
Active · clear
Rubber Duck Plumbing
Visalia, CA · CSLB #1153516 · as of July 5, 2026
Active · clear
Ruben Garcia Plumbing
Montclair, CA · CSLB #450717 · as of July 5, 2026
Active · clear
Ruben's Custom Plumbing
Chatsworth, CA · CSLB #832031 · as of July 5, 2026
Active · clear
Ruben & Son's Plumbing
San Diego, CA · CSLB #973361 · as of July 5, 2026
Active · clear
Ruben's Plumbing
Walnut Creek, CA · CSLB #972746 · as of July 5, 2026
Active · clear
Ruben's Plumbing
Crestline, CA · CSLB #1149362 · as of July 5, 2026
Active · clear
Rubicon Plumbing
Zephyr Cove, CA · CSLB #925264 · as of July 5, 2026
Active · clear
Rubio's Plumbing
Whittier, CA · CSLB #885765 · as of July 5, 2026
Active · clear
Ruckers Plumbing And Filtration LLC
Quincy, CA · CSLB #1119542 · as of July 5, 2026
Active · clear
Rudy's Mechanical Plumbing
Los Angeles, CA · CSLB #663000 · as of July 5, 2026
Active · clear
Rudy's Plumbing
Monrovia, CA · CSLB #917340 · as of July 5, 2026
Active · clear
Rudy's Plumbing Service & Repair
Torrance, CA · CSLB #597673 · as of July 5, 2026
Active · clear
Rudy's Plumbing Services INC
Tustin, CA · CSLB #1055974 · as of July 5, 2026
Active · clear
Ruffoni Appliance Repair
Arroyo Grande, CA · CSLB #720300 · as of July 5, 2026
Active · clear
Ruff Plumbing
Lockeford, CA · CSLB #1127779 · as of July 5, 2026
Active · clear
Ruiz Diversified Plumbing
Moreno Valley, CA · CSLB #1012839 · as of July 5, 2026
Active · clear
P A Ruiz Plumbing
San Luis Obispo, CA · CSLB #757105 · as of July 5, 2026
Active · clear
Ruiz Plumbing And Rooter CO
Bakersfield, CA · CSLB #1003349 · as of July 5, 2026
Active · clear
Ruiz Plumbing INC
Santa Barbara, CA · CSLB #1151804 · as of July 5, 2026
Active · clear
Ruiz Plumbing Solutions
Whittier, CA · CSLB #1152525 · as of July 5, 2026
Active · clear
Running Man Maintenance
Hanford, CA · CSLB #978173 · as of July 5, 2026
Active · clear
Rural Plumbing Services
Chester, CA · CSLB #1109578 · as of July 5, 2026
Active · clear
Rush Plumbing
Woodland Hills, CA · CSLB #618739 · as of July 5, 2026
Active · clear
Rush Plumbing And Rooter
Adelanto, CA · CSLB #928955 · as of July 5, 2026
Active · clear
Rusk Plumbing
Valley Springs, CA · CSLB #1089187 · as of July 5, 2026
Active · clear
Russell Plumbing And Rooter Service
Roseville, CA · CSLB #706338 · as of July 5, 2026
Active · clear
R C Russell Plumbing
Pacifica, CA · CSLB #766752 · as of July 5, 2026
Active · clear
Russell Roberts Backflow
Redding, CA · CSLB #1152028 · as of July 5, 2026
Active · clear
Nick Russo Plumbing
Seaside, CA · CSLB #973086 · as of July 5, 2026
Active · clear
Rustic Star Plumbing LLC
King City, CA · CSLB #1130419 · as of July 5, 2026
Active · clear
Rusty Duck Plumbing INC
Sacramento, CA · CSLB #1154412 · as of July 5, 2026
Active · clear
Rusty Pipes Plumbing
Huntington Beach, CA · CSLB #711167 · as of July 5, 2026
Active · clear
Rusty Pipe's Plumbing & Drain Service
Ventura, CA · CSLB #814603 · as of July 5, 2026
Active · clear
Rusty Plumbing And Rooter
Granada Hills, CA · CSLB #1155798 · as of July 5, 2026
Active · clear
Rutan Plumbing INC
Citrus Heights, CA · CSLB #760387 · as of July 5, 2026
Active · clear
Ruvalcaba Plumbing
Riverside, CA · CSLB #1074945 · as of July 5, 2026
Active · clear
Ruvico INC
Ontario, CA · CSLB #1021363 · as of July 5, 2026
Active · clear
R V Plumbing
Mission Viejo, CA · CSLB #1030032 · as of July 5, 2026
Active · clear
RV Plumbing
Sun Valley, CA · CSLB #1048137 · as of July 5, 2026
Active · clear
R V P Plumbing
San Marcos, CA · CSLB #828659 · as of July 5, 2026
Active · clear
R - Way Plumbing
Canyon Country, CA · CSLB #472892 · as of July 5, 2026
Active · clear
RX Piping
Sun Valley, CA · CSLB #841435 · as of July 5, 2026
Active · clear
R & X Plumbing
Van Nuys, CA · CSLB #1140603 · as of July 5, 2026
Active · clear
RX Plumbing LLC
Murrieta, CA · CSLB #1129751 · as of July 5, 2026
Active · clear
RX Plumbing & Rooter
Harbor City, CA · CSLB #1131688 · as of July 5, 2026
Active · clear
Ryan Aiken Plumbing
Stanton, CA · CSLB #1153989 · as of July 5, 2026
Active · clear
Ryan C Plumbing
Glendora, CA · CSLB #1125687 · as of July 5, 2026
Active · clear
Patrick B Ryan
Lomita, CA · CSLB #916326 · as of July 5, 2026
Active · clear
Ryan Plumbing
Beaumont, CA · CSLB #1092363 · as of July 5, 2026
Active · clear
Ryan Plumbing Drains And Leaks
Escondido, CA · CSLB #1103727 · as of July 5, 2026
Active · clear
Ryan's Plumbing
Apple Valley, CA · CSLB #797129 · as of July 5, 2026
Active · clear
Ryan's Plumbing
San Andreas, CA · CSLB #1142617 · as of July 5, 2026
Active · clear
Ryan's Plumbing
Santee, CA · CSLB #1144395 · as of July 5, 2026
Active · clear
Ryan's Plumbing
Visalia, CA · CSLB #1003740 · 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.