Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,023 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 July 2, 2026.

Showing 5,701–5,760 of 12,023 contractors

JVM Master Plumbing INC
Redwood City, CA · CSLB #1089939 · as of July 2, 2026
Active · clear
JV Plumbing & Backflow
Windsor, CA · CSLB #955698 · as of July 2, 2026
Active · clear
J V Plumbing INC
Fullerton, CA · CSLB #1020856 · as of July 2, 2026
Active · clear
JV Plumbing Service INC
Sacramento, CA · CSLB #1084995 · as of July 2, 2026
Active · clear
JVS Plumbing & Rooter
Lathrop, CA · CSLB #1108447 · as of July 2, 2026
Active · clear
Jv's Plumbing & Rooter INC
Los Angeles, CA · CSLB #1096226 · as of July 2, 2026
Active · clear
J W Harris Plumbing And Rooter
Portola, CA · CSLB #910062 · as of July 2, 2026
Active · clear
J W Plumbing
Thousand Oaks, CA · CSLB #986996 · as of July 2, 2026
Active · clear
J W Plumbing
Santa Barbara, CA · CSLB #518848 · as of July 2, 2026
Active · clear
J W Plumbing & Drain Repair
Lancaster, CA · CSLB #890579 · as of July 2, 2026
Active · clear
Jwrp INC
San Diego, CA · CSLB #883739 · as of July 2, 2026
Active · clear
JXJ Plumbing Group LLC
San Gabriel, CA · CSLB #1151358 · as of July 2, 2026
Active · clear
J Y Plumbing INC
Hacienda Heights, CA · CSLB #1051506 · as of July 2, 2026
Active · clear
J Z Plumbing
Chico, CA · CSLB #1094640 · as of July 2, 2026
Active · clear
JZ Plumbing
Bellflower, CA · CSLB #1133392 · as of July 2, 2026
Active · clear
JZ Plumbing
San Francisco, CA · CSLB #1145041 · as of July 2, 2026
Active · clear
K2 Plumbing
Mammoth Lakes, CA · CSLB #1035259 · as of July 2, 2026
Active · clear
K2 Plumbing INC
Lakeside, CA · CSLB #1105222 · as of July 2, 2026
Active · clear
K3 Plumbing CO
Tehachapi, CA · CSLB #1095007 · as of July 2, 2026
Active · clear
Kaeken Plumbing CO
Torrance, CA · CSLB #857435 · as of July 2, 2026
Active · clear
Kaiser Plumbing INC
Los Angeles, CA · CSLB #801391 · as of July 2, 2026
Active · clear
Kait Plumbing
Carpinteria, CA · CSLB #795005 · as of July 2, 2026
Active · clear
Kai Viti Plumbing LLC
Sparks, CA · CSLB #1004869 · as of July 2, 2026
Active · clear
Kaizen Solutions LLC
San Clemente, CA · CSLB #1147810 · as of July 2, 2026
Active · clear
Kaleb Nelson Plumbing
Los Angeles, CA · CSLB #1155787 · as of July 2, 2026
Active · clear
Kali Sticks Plumbing
Escondido, CA · CSLB #1091007 · as of July 2, 2026
Active · clear
Kal Plumbing Corp
Pasadena, CA · CSLB #1046691 · as of July 2, 2026
Active · clear
Christopher Kamiyama
Acton, CA · CSLB #1106036 · as of July 2, 2026
Active · clear
Kamps Propane INC
Manteca, CA · CSLB #569847 · as of July 2, 2026
Active · clear
Kane & Associates
Santa Rosa, CA · CSLB #566269 · as of July 2, 2026
Active · clear
K & A Plumbing INC
North Hollywood, CA · CSLB #1079219 · as of July 2, 2026
Active · clear
Karidian Plumbing
Salinas, CA · CSLB #918333 · as of July 2, 2026
Active · clear
Kassman Plumbing
Glendale, CA · CSLB #949662 · as of July 2, 2026
Active · clear
Kass Plumbing
Fallbrook, CA · CSLB #1105198 · as of July 2, 2026
Active · clear
Katana Plumbing
San Gabriel, CA · CSLB #1004791 · as of July 2, 2026
Active · clear
Kata Plumbing
Washington, CA · CSLB #985467 · as of July 2, 2026
Active · clear
Kato Plumbing
Richmond, CA · CSLB #957330 · as of July 2, 2026
Active · clear
Katzy Corporation INC
Carmel, CA · CSLB #774905 · as of July 2, 2026
Active · clear
Kaufmann Plumbing
Desert Hot Springs, CA · CSLB #1005671 · as of July 2, 2026
Active · clear
Kavanagh Specialty Plumbing INC
Novato, CA · CSLB #1068211 · as of July 2, 2026
Active · clear
Kayton Plumbing And Rooter Service
Merced, CA · CSLB #731217 · as of July 2, 2026
Active · clear
Kbeck Plumbing & Heating INC
Hayward, CA · CSLB #868785 · as of July 2, 2026
Active · clear
K B Plumbing
San Diego, CA · CSLB #932288 · as of July 2, 2026
Active · clear
KB Plumbing
Antelope, CA · CSLB #1129428 · as of July 2, 2026
Active · clear
K B S Plumbing
Oxnard, CA · CSLB #1046456 · as of July 2, 2026
Active · clear
K C B Plumbing Contractors INC
Costa Mesa, CA · CSLB #604044 · as of July 2, 2026
Active · clear
K C C Plumbing INC
Granada Hills, CA · CSLB #977698 · as of July 2, 2026
Active · clear
KCD Plumbing INC
Santa Maria, CA · CSLB #1023189 · as of July 2, 2026
Active · clear
K C Plumbing
Vacaville, CA · CSLB #1084124 · as of July 2, 2026
Active · clear
K C Plumbing INC
Temecula, CA · CSLB #801444 · as of July 2, 2026
Active · clear
KCS Plumbing CO
La Grange, CA · CSLB #964772 · as of July 2, 2026
Active · clear
KDP Plumbing
Norco, CA · CSLB #1118244 · as of July 2, 2026
Active · clear
K D S Plumbing
Stockton, CA · CSLB #902811 · as of July 2, 2026
Active · clear
KDS Plumbing INC
San Jose, CA · CSLB #696971 · as of July 2, 2026
Active · clear
Kea Plumbing INC
Santa Barbara, CA · CSLB #955001 · as of July 2, 2026
Active · clear
Kearney Plumbing INC
San Francisco, CA · CSLB #1013245 · as of July 2, 2026
Active · clear
Gregory L Kearns Plumbing
American Canyon, CA · CSLB #818460 · as of July 2, 2026
Active · clear
Kechian Bros Plumbing
Glendale, CA · CSLB #564960 · as of July 2, 2026
Active · clear
Kecko Plumbers
Riverside, CA · CSLB #1016374 · as of July 2, 2026
Active · clear
Keefe Plumbing
Miranda, CA · CSLB #881670 · as of July 2, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 2, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.