Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,020 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 June 27, 2026.

Showing 301–360 of 12,020 contractors

Action Plumbing & Environmental
Oakhurst, CA · CSLB #826006 · as of June 27, 2026
Active · clear
Action Plumbing INC
Rancho Cucamonga, CA · CSLB #965976 · as of June 27, 2026
Active · clear
Action Pumping INC
Yucca Valley, CA · CSLB #436154 · as of June 27, 2026
Active · clear
Action Rooter
Diamond Springs, CA · CSLB #885338 · as of June 27, 2026
Active · clear
Active Appliance Installations LLC
Lake Havasu City, CA · CSLB #786454 · as of June 27, 2026
Active · clear
Active Leak Detection & Plumbing LLC
Oxnard, CA · CSLB #1130644 · as of June 27, 2026
Active · clear
Active Plumbing & Rooter
Fremont, CA · CSLB #959606 · as of June 27, 2026
Active · clear
Active Rooter And Plumber INC
Granada Hills, CA · CSLB #1062598 · as of June 27, 2026
Active · clear
Gilbert Acuna Plumbing
Crestline, CA · CSLB #896757 · as of June 27, 2026
Active · clear
Ismael Acuna JR
Winnetka, CA · CSLB #1040038 · as of June 27, 2026
Active · clear
Acuna's Plumbing & Rooter Service
Burbank, CA · CSLB #663477 · as of June 27, 2026
Active · clear
Acura Plumbing INC
San Pablo, CA · CSLB #1144270 · as of June 27, 2026
Active · clear
Acute Plumbing Concepts
Rancho Santa Margarita, CA · CSLB #1007544 · as of June 27, 2026
Active · clear
Ad3 Plumbing
San Gabriel, CA · CSLB #1143197 · as of June 27, 2026
Active · clear
Keith Adair
Lakewood, CA · CSLB #981093 · as of June 27, 2026
Active · clear
Adam Dayton
Fellows, CA · CSLB #983535 · as of June 27, 2026
Active · clear
Adamik's American Plumbing Drain And Backflow
Lake Elsinore, CA · CSLB #1017158 · as of June 27, 2026
Active · clear
Adam Plumbing
Palo Alto, CA · CSLB #900642 · as of June 27, 2026
Active · clear
Adams Commercial Plumbing LLC
Yuba City, CA · CSLB #1019969 · as of June 27, 2026
Active · clear
Adams Family Plumbing LLC
Big Bear City, CA · CSLB #1115007 · as of June 27, 2026
Active · clear
Mike Adams Plumbing
Newhall, CA · CSLB #985521 · as of June 27, 2026
Active · clear
Adam's Plumbing
Anaheim, CA · CSLB #526760 · as of June 27, 2026
Active · clear
Adams Plumbing
Vacaville, CA · CSLB #1023427 · as of June 27, 2026
Active · clear
Adams Plumbing & Drain
San Diego, CA · CSLB #926899 · as of June 27, 2026
Active · clear
Adaptive Plumbing INC
Whittier, CA · CSLB #1088500 · as of June 27, 2026
Active · clear
Adapt Plumbing
Manteca, CA · CSLB #1073865 · as of June 27, 2026
Active · clear
Lee Addison Plumbing
San Jose, CA · CSLB #953420 · as of June 27, 2026
Active · clear
Add Plumbing INC
San Fernando, CA · CSLB #494840 · as of June 27, 2026
Active · clear
Adept Plumbing Services LLC
Desert Hot Springs, CA · CSLB #1115886 · as of June 27, 2026
Active · clear
A D Family Plumbing Services
Pittsburg, CA · CSLB #1098228 · as of June 27, 2026
Active · clear
A D F Sewer Plumbing
Sacramento, CA · CSLB #835483 · as of June 27, 2026
Active · clear
Adlo Plumbing & Leak Detection
San Diego, CA · CSLB #854141 · as of June 27, 2026
Active · clear
Adl Plumbing
South San Francisco, CA · CSLB #988585 · as of June 27, 2026
Active · clear
Admiral Plumbing
Redondo Beach, CA · CSLB #480549 · as of June 27, 2026
Active · clear
Adner INC
Tarzana, CA · CSLB #921322 · as of June 27, 2026
Active · clear
A D N Plumbing
Northridge, CA · CSLB #948317 · as of June 27, 2026
Active · clear
Adobe Plumbing
Twain Harte, CA · CSLB #574619 · as of June 27, 2026
Active · clear
Adolfo's Plumbing
Arleta, CA · CSLB #748277 · as of June 27, 2026
Active · clear
Adolfo's Plumbing & Rooter LLC
Fairfield, CA · CSLB #1126374 · as of June 27, 2026
Active · clear
A & D Plumbing
Walnut Creek, CA · CSLB #959962 · as of June 27, 2026
Active · clear
A D Plumbing
West Sacramento, CA · CSLB #1082421 · as of June 27, 2026
Active · clear
A D Plumbing Service INC
Van Nuys, CA · CSLB #847619 · as of June 27, 2026
Active · clear
Ad Plumbing Solutions
Van Nuys, CA · CSLB #1150963 · as of June 27, 2026
Active · clear
A&d Professional Plumbing
Reseda, CA · CSLB #1132333 · as of June 27, 2026
Active · clear
A Drain Doctor
Walnut, CA · CSLB #803591 · as of June 27, 2026
Active · clear
A-drains Plumbing
Bellflower, CA · CSLB #999792 · as of June 27, 2026
Active · clear
A-drains Plumbing And Rooter INC
Bellflower, CA · CSLB #1029501 · as of June 27, 2026
Active · clear
Adrian Plumbing INC
Tustin, CA · CSLB #1070336 · as of June 27, 2026
Active · clear
Adrians Plumbing
San Pedro, CA · CSLB #728722 · as of June 27, 2026
Active · clear
Adrian's Plumbing Services
Stockton, CA · CSLB #1092158 · as of June 27, 2026
Active · clear
Dusan Tepic DBA Adriatic Coast Plumbing
San Pedro, CA · CSLB #817153 · as of June 27, 2026
Active · clear
Adris Plumbing INC
Van Nuys, CA · CSLB #1008345 · as of June 27, 2026
Active · clear
Adroit Plumbing
Roseville, CA · CSLB #831697 · as of June 27, 2026
Active · clear
A&d Sewer Specialist INC
Arleta, CA · CSLB #1093750 · as of June 27, 2026
Active · clear
Adt Plumbing INC
Salinas, CA · CSLB #1153403 · as of June 27, 2026
Active · clear
Adu Plumbing LLC
Winchester, CA · CSLB #1078074 · as of June 27, 2026
Active · clear
Advanced Copper Systems Plumbing Mechanical
Gustine, CA · CSLB #1030416 · as of June 27, 2026
Active · clear
Advanced Flow Measurement
Porterville, CA · CSLB #1023117 · as of June 27, 2026
Active · clear
Advanced Industrial Plumbing INC
Costa Mesa, CA · CSLB #1115528 · as of June 27, 2026
Active · clear
Advanced Jet & Rooter LLC
Santa Clarita, CA · CSLB #1156791 · as of June 27, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 27, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.