Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,055 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 7, 2026.

Showing 961–1,020 of 12,055 contractors

Anton Williams Plumbing
Murrieta, CA · CSLB #1118467 · as of October 7, 2026
Active · clear
Any Leak Plumbing INC
Vista, CA · CSLB #1146131 · as of October 7, 2026
Active · clear
Anytime Plumbing
Los Angeles, CA · CSLB #980114 · as of October 7, 2026
Active · clear
Anytime Plumbing INC
Santa Cruz, CA · CSLB #938223 · as of October 7, 2026
Active · clear
Anytime Plumbing & Pipe INC
Long Beach, CA · CSLB #834202 · as of October 7, 2026
Active · clear
Anytime Rooter
Marina Del Rey, CA · CSLB #1099330 · as of October 7, 2026
Active · clear
A O Dowd Plumbing INC
Fontana, CA · CSLB #1028149 · as of October 7, 2026
Active · clear
A O G Plumbing INC
Rohnert Park, CA · CSLB #973458 · as of October 7, 2026
Active · clear
A-one/ware Plumbing
Lomita, CA · CSLB #607882 · as of October 7, 2026
Active · clear
A O Plumbing
La Mesa, CA · CSLB #1028957 · as of October 7, 2026
Active · clear
A P 1 Leak Detection INC
Canyon Country, CA · CSLB #740182 · as of October 7, 2026
Active · clear
A Pain In The Drain Plumbing & Rooter Service
Yuba City, CA · CSLB #1011351 · as of October 7, 2026
Active · clear
A Palma Plumbing
San Diego, CA · CSLB #860611 · as of October 7, 2026
Active · clear
Ap Bros Plumbing CO
Corona, CA · CSLB #1121393 · as of October 7, 2026
Active · clear
Apc Plumbing Group
Seal Beach, CA · CSLB #1147288 · as of October 7, 2026
Active · clear
Apex Home Resources INC
Santa Rosa, CA · CSLB #1150371 · as of October 7, 2026
Active · clear
Apex Leak Detection
Fallbrook, CA · CSLB #1032000 · as of October 7, 2026
Active · clear
Apex Plumbing
Morongo Valley, CA · CSLB #1107788 · as of October 7, 2026
Active · clear
Gregory D Caso Plumbing INC DBA Apex Plumbing
Escondido, CA · CSLB #741804 · as of October 7, 2026
Active · clear
Apex Plumbing
Camino, CA · CSLB #1115087 · as of October 7, 2026
Active · clear
Apex Plumbing And Drain
Anaheim, CA · CSLB #1027658 · as of October 7, 2026
Active · clear
Apex Plumbing And Water INC
Buellton, CA · CSLB #1067821 · as of October 7, 2026
Active · clear
Apex Plumbing Group
San Diego, CA · CSLB #1152102 · as of October 7, 2026
Active · clear
Apex Plumbing Incorporated
Perris, CA · CSLB #1120191 · as of October 7, 2026
Active · clear
Apex Plumbing Service
Santa Ynez, CA · CSLB #915928 · as of October 7, 2026
Active · open complaint
Apex Plumbing Services INC
Wildomar, CA · CSLB #1095528 · as of October 7, 2026
Active · clear
Apex Plumbing Solutions INC
Modesto, CA · CSLB #1100681 · as of October 7, 2026
Active · clear
Apex Plumbing Solutions LLC
South Gate, CA · CSLB #1155994 · as of October 7, 2026
Active · clear
Apex Service & Repair INC
Escondido, CA · CSLB #975536 · as of October 7, 2026
Active · clear
Apex Tahoe Plumbing
Olympic Valley, CA · CSLB #1133646 · as of October 7, 2026
Active · clear
Aphaia Mechanical Corporation
Valencia, CA · CSLB #1072964 · as of October 7, 2026
Active · clear
A Pine Plumbing CO
Covina, CA · CSLB #1093260 · as of October 7, 2026
Active · clear
A P I Plumber Contractors INC
Whittier, CA · CSLB #986893 · as of October 7, 2026
Active · clear
Apk Plumbing INC
Baldwin Park, CA · CSLB #939027 · as of October 7, 2026
Active · clear
A + Plumbing CO
Glendale, CA · CSLB #947897 · as of October 7, 2026
Active · clear
A+ Plumbing INC
Sylmar, CA · CSLB #1129219 · as of October 7, 2026
Active · clear
A+ Plumbing & Rootering INC
North Hollywood, CA · CSLB #993975 · as of October 7, 2026
Active · clear
A Plus Park Plumbing
San Diego, CA · CSLB #926155 · as of October 7, 2026
Active · clear
A Plus Plumbing
Discovery Bay, CA · CSLB #848199 · as of October 7, 2026
Active · clear
A Plus Plumbing
Glendale, CA · CSLB #526280 · as of October 7, 2026
Active · clear
Aplus Plumbing
San Ramon, CA · CSLB #972915 · as of October 7, 2026
Active · clear
A Plus Plumbing LLC
Gustine, CA · CSLB #955459 · as of October 7, 2026
Active · clear
A - Plus Plumbing & Rooter
Laguna Niguel, CA · CSLB #736768 · as of October 7, 2026
Active · clear
A Plus Plumbing & Rooter INC
Garden Grove, CA · CSLB #1114679 · as of October 7, 2026
Active · clear
A Plus Rooter Pro
San Pedro, CA · CSLB #942633 · as of October 7, 2026
Active · clear
A P M Installations
Rosamond, CA · CSLB #408423 · as of October 7, 2026
Active · clear
Apollo Drain & Rooter Service
Modesto, CA · CSLB #911539 · as of October 7, 2026
Active · clear
Apollo Plumbing
Ventura, CA · CSLB #1074137 · as of October 7, 2026
Active · clear
Apollo Plumbing
Boulder Creek, CA · CSLB #1122739 · as of October 7, 2026
Active · clear
Apollo Plumbing Services INC
East Palo Alto, CA · CSLB #1093562 · as of October 7, 2026
Active · clear
Appiano's Installations INC
Benicia, CA · CSLB #860985 · as of October 7, 2026
Active · clear
Appleberry's Plumbing
Emeryville, CA · CSLB #996032 · as of October 7, 2026
Active · clear
Apple J Plumbing INC
Palm Desert, CA · CSLB #981810 · as of October 7, 2026
Active · clear
Appliance Installation Services INC
San Diego, CA · CSLB #983627 · as of October 7, 2026
Active · clear
Appliance Pros & Plumbing INC
Lakewood, CA · CSLB #1085051 · as of October 7, 2026
Active · clear
Applied Plumbing And Rooter INC
Rancho Santa Margarita, CA · CSLB #1151992 · as of October 7, 2026
Active · clear
A P Plumbing
Los Angeles, CA · CSLB #864420 · as of October 7, 2026
Active · clear
A P Plumbing
Roseville, CA · CSLB #938557 · as of October 7, 2026
Active · clear
Ap Plumbing And Rooter INC
Covina, CA · CSLB #1087944 · as of October 7, 2026
Active · clear
Ap Plumbing CO
Vallejo, CA · CSLB #1142211 · as of October 7, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.