Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,021 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 30, 2026.

Showing 4,081–4,140 of 12,021 contractors

Jose I Franquiz Plumbing
Canyon Country, CA · CSLB #813178 · as of June 30, 2026
Active · clear
Frans Plumbing
Long Beach, CA · CSLB #1082807 · as of June 30, 2026
Active · clear
Jason Frantz
Bakersfield, CA · CSLB #972911 · as of June 30, 2026
Active · clear
Fraser Plumbing INC
Ramona, CA · CSLB #1106710 · as of June 30, 2026
Active · clear
Fraser's Plumbing CO
Los Angeles, CA · CSLB #320433 · as of June 30, 2026
Active · clear
Frassica INC
Corona, CA · CSLB #987860 · as of June 30, 2026
Active · clear
Frati's Plumbing
Cotati, CA · CSLB #765460 · as of June 30, 2026
Active · clear
Frausto Plumbing Services
Compton, CA · CSLB #1079146 · as of June 30, 2026
Active · clear
Frazer's Plumbing
Poway, CA · CSLB #416023 · as of June 30, 2026
Active · clear
Steven Frazier Plumbing
El Cajon, CA · CSLB #869071 · as of June 30, 2026
Active · clear
Frederick Plumbing
Elk Grove, CA · CSLB #500126 · as of June 30, 2026
Active · clear
Fred's Plumbing
Bloomington, CA · CSLB #1017688 · as of June 30, 2026
Active · clear
Freedom Flow Mechanical INC
San Diego, CA · CSLB #1142425 · as of June 30, 2026
Active · clear
Freedom Plumbers INC
Chula Vista, CA · CSLB #1043034 · as of June 30, 2026
Active · clear
Freedom Plumbing
Los Banos, CA · CSLB #1050418 · as of June 30, 2026
Active · clear
Freedom Plumbing
Jamul, CA · CSLB #1078673 · as of June 30, 2026
Active · clear
Free Flo Rooter
Sun Valley, CA · CSLB #969082 · as of June 30, 2026
Active · clear
Free Flow Plumbing
Roseville, CA · CSLB #1063748 · as of June 30, 2026
Active · clear
Free Flow Plumbing & Rooter INC
El Monte, CA · CSLB #1154139 · as of June 30, 2026
Active · clear
Freelance Plumbing LLC
Monterey Park, CA · CSLB #981848 · as of June 30, 2026
Active · clear
Freeland Plumbing LLC
Desert Hot Springs, CA · CSLB #1126965 · as of June 30, 2026
Active · clear
Scott Freeman
Escondido, CA · CSLB #961944 · as of June 30, 2026
Active · clear
Fregoso Plumbing
Gilroy, CA · CSLB #1154363 · as of June 30, 2026
Active · clear
Freitas Plumbing
Manteca, CA · CSLB #956879 · as of June 30, 2026
Active · clear
The French Connection For Plumbing
Berkeley, CA · CSLB #750225 · as of June 30, 2026
Active · clear
French Connection Plumbing INC
Fair Oaks, CA · CSLB #936953 · as of June 30, 2026
Active · clear
Frenchie's Plumbing
Santa Rosa, CA · CSLB #972918 · as of June 30, 2026
Active · clear
Fresh Water Plumbing
Chula Vista, CA · CSLB #1129646 · as of June 30, 2026
Active · clear
Fresno Oxygen Plumbing
Fresno, CA · CSLB #1153307 · as of June 30, 2026
Active · clear
Friendly Plumber
San Francisco, CA · CSLB #743369 · as of June 30, 2026
Active · clear
Friendly Plumbing And Sons
Vallejo, CA · CSLB #971066 · as of June 30, 2026
Active · clear
Friendly Plumbing LLC
San Francisco, CA · CSLB #1119928 · as of June 30, 2026
Active · clear
Friendly Services East Bay CO
Hayward, CA · CSLB #1156315 · as of June 30, 2026
Active · clear
Friendly Song Plumbing Construction
Rancho Cucamonga, CA · CSLB #1142260 · as of June 30, 2026
Active · clear
Froggs Plumbing
Westminster, CA · CSLB #632010 · as of June 30, 2026
Active · clear
From Sinks To Sewers INC
Ventura, CA · CSLB #947266 · as of June 30, 2026
Active · clear
Frontier Plumbing
Ramona, CA · CSLB #811387 · as of June 30, 2026
Active · clear
Frontier Plumbing
Bakersfield, CA · CSLB #1011970 · as of June 30, 2026
Active · clear
Frontier Plumbing INC
Clovis, CA · CSLB #1064221 · as of June 30, 2026
Active · clear
Frontline Repipes & Plumbing LLC
Eagle Rock, CA · CSLB #1095860 · as of June 30, 2026
Active · clear
Frosio Plumbing
La Mesa, CA · CSLB #525001 · as of June 30, 2026
Active · clear
F & R Plumbing Solutions INC
Hemet, CA · CSLB #1121205 · as of June 30, 2026
Active · clear
Frye Plumbing INC
Bakersfield, CA · CSLB #964994 · as of June 30, 2026
Active · clear
FTS Plumbing INC
Chula Vista, CA · CSLB #1075538 · as of June 30, 2026
Active · clear
Fud And Son Plumbing INC
San Diego, CA · CSLB #975882 · as of June 30, 2026
Active · clear
Fudge It Plumbing
Santa Rosa, CA · CSLB #1103187 · as of June 30, 2026
Active · clear
Fuentes Plumbing
Sylmar, CA · CSLB #778596 · as of June 30, 2026
Active · clear
Fuentes Plumbing INC
Sylmar, CA · CSLB #1108072 · as of June 30, 2026
Active · clear
Valente N Fuentes Plumbing
San Francisco, CA · CSLB #1027105 · as of June 30, 2026
Active · clear
Christopher John Fuller
Big Bear City, CA · CSLB #985679 · as of June 30, 2026
Active · clear
Clinton Eugene Fuller Plumbing
Chester, CA · CSLB #562668 · as of June 30, 2026
Active · clear
Fuller & Son's Plumbing INC
Chula Vista, CA · CSLB #1098017 · as of June 30, 2026
Active · clear
Full Service Plumbing
San Jose, CA · CSLB #1115271 · as of June 30, 2026
Active · clear
Gabriel A D Schwind
Thousand Oaks, CA · CSLB #904158 · as of June 30, 2026
Active · clear
Don Furtado Plumbing
Concord, CA · CSLB #811951 · as of June 30, 2026
Active · clear
Furtado Plumbing INC
San Luis Obispo, CA · CSLB #1120764 · as of June 30, 2026
Active · clear
Fusion Rooter INC
Hayward, CA · CSLB #1145741 · as of June 30, 2026
Active · clear
Future Plumbing And Water Heater INC
Dublin, CA · CSLB #1075270 · as of June 30, 2026
Active · clear
FV Plumbing & Rooter INC
Anaheim, CA · CSLB #1135170 · as of June 30, 2026
Active · clear
F W Plumbing INC
San Dimas, CA · CSLB #879683 · as of June 30, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 30, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.