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 8, 2026.

Showing 4,021–4,080 of 12,055 contractors

Franchesco Plumbing INC
Hawaiian Gardens, CA · CSLB #1074757 · as of October 8, 2026
Active · clear
Francisco R Vera
Moraga, CA · CSLB #1137243 · as of October 8, 2026
Active · clear
Francisco's Plumbing Solutions
Lakewood, CA · CSLB #1143947 · as of October 8, 2026
Active · clear
Francis Plumbing INC
Felton, CA · CSLB #1118120 · as of October 8, 2026
Active · clear
Miguel A Franco
S Pasadena, CA · CSLB #819664 · as of October 8, 2026
Active · clear
Franco Plumbing
Los Angeles, CA · CSLB #858015 · as of October 8, 2026
Active · clear
Franco Plumbing
Compton, CA · CSLB #1131570 · as of October 8, 2026
Active · clear
Jeff Frankel Plumbing
Simi Valley, CA · CSLB #848485 · as of October 8, 2026
Active · clear
Jeffrey Frankel Plumbing INC
Simi Valley, CA · CSLB #647574 · as of October 8, 2026
Active · clear
William Frankel Plumbing Of Woodland Hills INC
Van Nuys, CA · CSLB #270127 · as of October 8, 2026
Active · clear
Chris Frankenberger Plumbing
Wildomar, CA · CSLB #1077848 · as of October 8, 2026
Active · clear
Frank Henry Plumbing
Penryn, CA · CSLB #966036 · as of October 8, 2026
Active · clear
Frankie's Plumbing
Martinez, CA · CSLB #1089880 · as of October 8, 2026
Active · clear
Frankie's Plumbing LLC
San Diego, CA · CSLB #1088782 · as of October 8, 2026
Active · clear
Frankie's Plumbing & Repipe
Apple Valley, CA · CSLB #1102452 · as of October 8, 2026
Active · clear
The Franklin Plumbing Company
San Diego, CA · CSLB #722219 · as of October 8, 2026
Active · clear
Frank's Plumbing Company INC
Morgan Hill, CA · CSLB #312433 · as of October 8, 2026
Active · clear
Frank's Plumbing Service
Point Arena, CA · CSLB #507928 · as of October 8, 2026
Active · clear
Frank The Plumber
La Habra, CA · CSLB #967360 · as of October 8, 2026
Active · clear
Frank The Plumber
Los Angeles, CA · CSLB #1088499 · as of October 8, 2026
Active · clear
Frank The Plumber INC
Whittier, CA · CSLB #1114808 · as of October 8, 2026
Active · clear
Frank T Lyons
Ventura, CA · CSLB #974204 · as of October 8, 2026
Active · clear
Jose I Franquiz Plumbing
Canyon Country, CA · CSLB #813178 · as of October 8, 2026
Active · clear
Frans Plumbing
Long Beach, CA · CSLB #1082807 · as of October 8, 2026
Active · clear
Fraser Plumbing INC
Ramona, CA · CSLB #1106710 · as of October 8, 2026
Active · clear
Fraser's Plumbing CO
Los Angeles, CA · CSLB #320433 · as of October 8, 2026
Active · clear
Frassica INC
Corona, CA · CSLB #987860 · as of October 8, 2026
Active · clear
Frati's Plumbing
Cotati, CA · CSLB #765460 · as of October 8, 2026
Active · clear
Frausto Plumbing Services
Compton, CA · CSLB #1079146 · as of October 8, 2026
Active · clear
Frazer's Plumbing
Poway, CA · CSLB #416023 · as of October 8, 2026
Active · clear
Steven Frazier Plumbing
El Cajon, CA · CSLB #869071 · as of October 8, 2026
Active · clear
Freddy's Plumbing
Artesia, CA · CSLB #1161114 · as of October 8, 2026
Active · clear
Frederick Plumbing
Elk Grove, CA · CSLB #500126 · as of October 8, 2026
Active · clear
Freds Plumbing & Rooter
La Mirada, CA · CSLB #1159300 · as of October 8, 2026
Active · clear
Freedom Plumbers INC
Chula Vista, CA · CSLB #1043034 · as of October 8, 2026
Active · clear
Freedom Plumbing
Los Banos, CA · CSLB #1050418 · as of October 8, 2026
Active · clear
Free Flo Rooter
Sun Valley, CA · CSLB #969082 · as of October 8, 2026
Active · clear
Free Flow Plumbing
Roseville, CA · CSLB #1063748 · as of October 8, 2026
Active · clear
Free Flow Plumbing & Rooter INC
El Monte, CA · CSLB #1154139 · as of October 8, 2026
Active · clear
Freelance Plumbing LLC
Monterey Park, CA · CSLB #981848 · as of October 8, 2026
Active · clear
Freeland Plumbing LLC
Desert Hot Springs, CA · CSLB #1126965 · as of October 8, 2026
Active · clear
Scott Freeman
Escondido, CA · CSLB #961944 · as of October 8, 2026
Active · clear
Fregoso Plumbing
Gilroy, CA · CSLB #1154363 · as of October 8, 2026
Active · clear
French Connection Plumbing INC
Fair Oaks, CA · CSLB #936953 · as of October 8, 2026
Active · clear
Fresh Water Plumbing
Chula Vista, CA · CSLB #1129646 · as of October 8, 2026
Active · clear
Fresno Oxygen Plumbing
Fresno, CA · CSLB #1153307 · as of October 8, 2026
Active · clear
Friendly Plumber
San Francisco, CA · CSLB #743369 · as of October 8, 2026
Active · clear
Friendly Plumbing And Sons
Vallejo, CA · CSLB #971066 · as of October 8, 2026
Active · clear
Friendly Plumbing LLC
San Francisco, CA · CSLB #1119928 · as of October 8, 2026
Active · clear
Friendly Services East Bay CO
Hayward, CA · CSLB #1156315 · as of October 8, 2026
Active · clear
Friendly Song Plumbing Construction
Rancho Cucamonga, CA · CSLB #1142260 · as of October 8, 2026
Active · clear
Froggs Plumbing
Westminster, CA · CSLB #632010 · as of October 8, 2026
Active · clear
From Sinks To Sewers INC
Ventura, CA · CSLB #947266 · as of October 8, 2026
Active · clear
Frontier Plumbing
Ramona, CA · CSLB #811387 · as of October 8, 2026
Active · clear
Frontier Plumbing
Bakersfield, CA · CSLB #1011970 · as of October 8, 2026
Active · clear
Frontier Plumbing INC
Clovis, CA · CSLB #1064221 · as of October 8, 2026
Active · clear
Frontline Repipes & Plumbing LLC
Eagle Rock, CA · CSLB #1095860 · as of October 8, 2026
Active · clear
Frosio Plumbing
La Mesa, CA · CSLB #525001 · as of October 8, 2026
Active · clear
F & R Plumbing Solutions INC
Hemet, CA · CSLB #1121205 · as of October 8, 2026
Active · clear
FTS Plumbing INC
Chula Vista, CA · CSLB #1075538 · as of October 8, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 8, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.