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 961–1,020 of 12,020 contractors

A O G Plumbing INC
Rohnert Park, CA · CSLB #973458 · as of June 27, 2026
Active · clear
A-one/ware Plumbing
Lomita, CA · CSLB #607882 · as of June 27, 2026
Active · clear
A O Plumbing
La Mesa, CA · CSLB #1028957 · as of June 27, 2026
Active · clear
A P 1 Leak Detection INC
Canyon Country, CA · CSLB #740182 · as of June 27, 2026
Active · clear
A Pain In The Drain Plumbing & Rooter Service
Yuba City, CA · CSLB #1011351 · as of June 27, 2026
Active · clear
A Palma Plumbing
San Diego, CA · CSLB #860611 · as of June 27, 2026
Active · clear
Ap Bros Plumbing CO
Corona, CA · CSLB #1121393 · as of June 27, 2026
Active · clear
Apc Plumbing Group
Seal Beach, CA · CSLB #1147288 · as of June 27, 2026
Active · clear
Apex Home Resources INC
Santa Rosa, CA · CSLB #1150371 · as of June 27, 2026
Active · clear
Apex Leak Detection
Fallbrook, CA · CSLB #1032000 · as of June 27, 2026
Active · clear
Apex Plumbing
Camino, CA · CSLB #1115087 · as of June 27, 2026
Active · clear
Apex Plumbing
Morongo Valley, CA · CSLB #1107788 · as of June 27, 2026
Active · clear
Gregory D Caso Plumbing INC DBA Apex Plumbing
Escondido, CA · CSLB #741804 · as of June 27, 2026
Active · clear
Apex Plumbing And Drain
Anaheim, CA · CSLB #1027658 · as of June 27, 2026
Active · clear
Apex Plumbing And Water INC
Buellton, CA · CSLB #1067821 · as of June 27, 2026
Active · clear
Apex Plumbing Group
San Diego, CA · CSLB #1152102 · as of June 27, 2026
Active · clear
Apex Plumbing Incorporated
Perris, CA · CSLB #1120191 · as of June 27, 2026
Active · clear
Apex Plumbing Service
Santa Ynez, CA · CSLB #915928 · as of June 27, 2026
Active · clear
Apex Plumbing Services INC
Wildomar, CA · CSLB #1095528 · as of June 27, 2026
Active · clear
Apex Plumbing Solutions INC
Modesto, CA · CSLB #1100681 · as of June 27, 2026
Active · clear
Apex Plumbing Solutions LLC
South Gate, CA · CSLB #1155994 · as of June 27, 2026
Active · clear
Apex Service & Repair INC
Escondido, CA · CSLB #975536 · as of June 27, 2026
Active · clear
Apex Tahoe Plumbing
Olympic Valley, CA · CSLB #1133646 · as of June 27, 2026
Active · clear
A P G Plumbing
Rancho Cordova, CA · CSLB #1006695 · as of June 27, 2026
Active · clear
Aphaia Mechanical Corporation
Valencia, CA · CSLB #1072964 · as of June 27, 2026
Active · clear
A Pine Plumbing CO
Covina, CA · CSLB #1093260 · as of June 27, 2026
Active · clear
A P I Plumber Contractors INC
Whittier, CA · CSLB #986893 · as of June 27, 2026
Active · clear
Apk Plumbing INC
Baldwin Park, CA · CSLB #939027 · as of June 27, 2026
Active · clear
A Plumbing
San Francisco, CA · CSLB #751295 · as of June 27, 2026
Active · clear
A + Plumbing CO
Glendale, CA · CSLB #947897 · as of June 27, 2026
Active · clear
A+ Plumbing INC
Sylmar, CA · CSLB #1129219 · as of June 27, 2026
Active · clear
A+ Plumbing & Rootering INC
North Hollywood, CA · CSLB #993975 · as of June 27, 2026
Active · clear
A Plus Park Plumbing
San Diego, CA · CSLB #926155 · as of June 27, 2026
Active · clear
A Plus Plumbing
Salinas, CA · CSLB #1018351 · as of June 27, 2026
Active · clear
A Plus Plumbing
Glendale, CA · CSLB #526280 · as of June 27, 2026
Active · clear
A Plus Plumbing
Discovery Bay, CA · CSLB #848199 · as of June 27, 2026
Active · clear
Aplus Plumbing
San Ramon, CA · CSLB #972915 · as of June 27, 2026
Active · clear
A Plus Plumbing LLC
Gustine, CA · CSLB #955459 · as of June 27, 2026
Active · clear
A - Plus Plumbing & Rooter
Laguna Niguel, CA · CSLB #736768 · as of June 27, 2026
Active · clear
A Plus Plumbing & Rooter INC
Garden Grove, CA · CSLB #1114679 · as of June 27, 2026
Active · clear
A Plus Rooter Pro
San Pedro, CA · CSLB #942633 · as of June 27, 2026
Active · clear
A P M Installations
Rosamond, CA · CSLB #408423 · as of June 27, 2026
Active · clear
Apollo Drain & Rooter Service
Modesto, CA · CSLB #911539 · as of June 27, 2026
Active · clear
Apollo Plumbing
Ventura, CA · CSLB #1074137 · as of June 27, 2026
Active · clear
Apollo Plumbing
Boulder Creek, CA · CSLB #1122739 · as of June 27, 2026
Active · clear
Apollo Plumbing Services INC
East Palo Alto, CA · CSLB #1093562 · as of June 27, 2026
Active · clear
Appiano's Installations INC
Benicia, CA · CSLB #860985 · as of June 27, 2026
Active · clear
Appleberry's Plumbing
Emeryville, CA · CSLB #996032 · as of June 27, 2026
Active · clear
Apple J Plumbing INC
Palm Desert, CA · CSLB #981810 · as of June 27, 2026
Active · clear
Appliance Installation Services INC
San Diego, CA · CSLB #983627 · as of June 27, 2026
Active · clear
Appliance Pros & Plumbing INC
Lakewood, CA · CSLB #1085051 · as of June 27, 2026
Active · clear
Applied Plumbing And Rooter INC
Rancho Santa Margarita, CA · CSLB #1151992 · as of June 27, 2026
Active · clear
A P Plumbing
Los Angeles, CA · CSLB #864420 · as of June 27, 2026
Active · clear
A P Plumbing
Roseville, CA · CSLB #938557 · as of June 27, 2026
Active · clear
Ap Plumbing And Rooter INC
Covina, CA · CSLB #1087944 · as of June 27, 2026
Active · clear
Ap Plumbing CO
Vallejo, CA · CSLB #1142211 · as of June 27, 2026
Active · clear
Vinay Pal DBA A Prasad Plumbing Rooter Service
La Puente, CA · CSLB #970200 · as of June 27, 2026
Active · clear
A Pro Plumbing
Chula Vista, CA · CSLB #1056863 · as of June 27, 2026
Active · clear
A P R Service
San Francisco, CA · CSLB #964595 · as of June 27, 2026
Active · clear
Aps 916 LLC
Sacramento, CA · CSLB #1144812 · 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.