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 5,821–5,880 of 12,023 contractors

Bill King Plumbing
Canyon Country, CA · CSLB #701561 · as of July 2, 2026
Active · clear
King Crown Plumbing
Bell, CA · CSLB #1106850 · as of July 2, 2026
Active · clear
King David Rooter INC
Corona, CA · CSLB #900861 · as of July 2, 2026
Active · clear
Kingdom Plumbing INC
San Jose, CA · CSLB #1107752 · as of July 2, 2026
Active · clear
Kingdom Plumbing LLC
Menifee, CA · CSLB #1089938 · as of July 2, 2026
Active · clear
Kingdom Pro Plumbing
Buena Park, CA · CSLB #1143711 · as of July 2, 2026
Active · clear
Geoff King Plumbing
Avalon, CA · CSLB #762362 · as of July 2, 2026
Active · clear
Jason King Plumbing Services
San Pedro, CA · CSLB #1041159 · as of July 2, 2026
Active · clear
King Plumbing
Nevada City, CA · CSLB #503650 · as of July 2, 2026
Active · clear
King Plumbing Services
North Hollywood, CA · CSLB #1106545 · as of July 2, 2026
Active · clear
King Rooter
Pasadena, CA · CSLB #1027418 · as of July 2, 2026
Active · clear
King's Plumbing
Concord, CA · CSLB #921036 · as of July 2, 2026
Active · clear
Kings Plumbing
Dana Point, CA · CSLB #653840 · as of July 2, 2026
Active · clear
Kings Plumbing
Santa Maria, CA · CSLB #910369 · as of July 2, 2026
Active · clear
Kings Plumbing & Rooter INC
Granada Hills, CA · CSLB #1056076 · as of July 2, 2026
Active · clear
Kings River Plumbing CO
Sanger, CA · CSLB #941710 · as of July 2, 2026
Active · clear
Kingston Plumbing Company LLC
Oakland, CA · CSLB #1079284 · as of July 2, 2026
Active · clear
Scott Kinyon Plumbing
Arroyo Grande, CA · CSLB #1095746 · as of July 2, 2026
Active · clear
Kirk Brothers Plumbing
Auburn, CA · CSLB #599212 · as of July 2, 2026
Active · clear
Kirkwood Commercial Plumbing Corporation
San Francisco, CA · CSLB #1082626 · as of July 2, 2026
Active · clear
Kirman Plumbing Company
Covina, CA · CSLB #1083688 · as of July 2, 2026
Active · clear
Steven Carl Kissler
Weed, CA · CSLB #1020291 · as of July 2, 2026
Active · clear
Kite Plus Plumbing INC
Irvine, CA · CSLB #1032495 · as of July 2, 2026
Active · clear
Eric Kivlen Plumbing
Simi Valley, CA · CSLB #803673 · as of July 2, 2026
Active · clear
Kiwi Plumbing INC
Sausalito, CA · CSLB #489648 · as of July 2, 2026
Active · clear
Kiyo Plumbing CO
Gardena, CA · CSLB #923519 · as of July 2, 2026
Active · clear
Steve Kizer Plumbing Repair Services
Crestline, CA · CSLB #1079456 · as of July 2, 2026
Active · clear
K J M Industries INC
San Juan Capistrano, CA · CSLB #951580 · as of July 2, 2026
Active · clear
K & K Plumbing INC
South Pasadena, CA · CSLB #899871 · as of July 2, 2026
Active · clear
Klean Plumbing INC
Anaheim, CA · CSLB #1037153 · as of July 2, 2026
Active · clear
Klean Rite Plumbing Service INC
Selma, CA · CSLB #1125526 · as of July 2, 2026
Active · clear
Kleer Water Plumbing INC
Ventura, CA · CSLB #722984 · as of July 2, 2026
Active · clear
Klein Plumbing And Drain Cleaning Service
Covina, CA · CSLB #850452 · as of July 2, 2026
Active · clear
Ted Klein Plumbing
Roseville, CA · CSLB #1028216 · as of July 2, 2026
Active · clear
Klemann And Son Plumbing
Torrance, CA · CSLB #690956 · as of July 2, 2026
Active · clear
Michael Klemp
Long Beach, CA · CSLB #1007654 · as of July 2, 2026
Active · clear
Kline Plumbing & Mechanical
Orange, CA · CSLB #853662 · as of July 2, 2026
Active · clear
Klines Plumbing
Hollister, CA · CSLB #859182 · as of July 2, 2026
Active · clear
Kline's Plumbing INC
Covina, CA · CSLB #912603 · as of July 2, 2026
Active · clear
K&L Plumbing LLC
Sacramento, CA · CSLB #1146634 · as of July 2, 2026
Active · clear
KL Plumbing LLC
Santa Barbara, CA · CSLB #988331 · as of July 2, 2026
Active · clear
Klrco Services
Garden Grove, CA · CSLB #726323 · as of July 2, 2026
Active · clear
Kmac Desert Plumbing
Cathedral City, CA · CSLB #790357 · as of July 2, 2026
Active · clear
K M B Plumbing INC
Redwood City, CA · CSLB #1040588 · as of July 2, 2026
Active · clear
K M C Design Group INC DBA K M C Plumbing CO
Danville, CA · CSLB #901402 · as of July 2, 2026
Active · clear
K & M Plumbing
Volcano, CA · CSLB #775312 · as of July 2, 2026
Active · clear
KMP Plumbing CO INC
Escondido, CA · CSLB #294110 · as of July 2, 2026
Active · clear
K M S Plumbing
Granada Hills, CA · CSLB #722722 · as of July 2, 2026
Active · clear
K N C Plumbing
Lakewood, CA · CSLB #1008029 · as of July 2, 2026
Active · clear
R K Knight Plumbing & Rooter INC
Whittier, CA · CSLB #660684 · as of July 2, 2026
Active · clear
Knights Plumbing And Drain
Lathrop, CA · CSLB #813548 · as of July 2, 2026
Active · clear
Joshua Knisbell
Riverside, CA · CSLB #1032718 · as of July 2, 2026
Active · clear
Knock - Out Plumbing
Lomita, CA · CSLB #854512 · as of July 2, 2026
Active · clear
Knockout Plumbing & Repipe INC
San Jose, CA · CSLB #1090643 · as of July 2, 2026
Active · clear
Dave Knoll Plumbing
Reedley, CA · CSLB #375413 · as of July 2, 2026
Active · clear
Joseph Knott
Huntington Beach, CA · CSLB #998299 · as of July 2, 2026
Active · clear
Knott Plumbing
Newhall, CA · CSLB #907805 · as of July 2, 2026
Active · clear
Tom Knott Plumbing Company
Torrance, CA · CSLB #573451 · as of July 2, 2026
Active · clear
Know How Plumbing
Upland, CA · CSLB #1052689 · as of July 2, 2026
Active · clear
Knowles Pipeworks And Plumbing Corp
San Jose, CA · CSLB #1109687 · 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.