Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,024 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 1, 2026.

Showing 5,041–5,100 of 12,024 contractors

Hydrocorenv LLC
Reno, CA · CSLB #1137661 · as of July 1, 2026
Active · clear
Hydro Filtration
Lodi, CA · CSLB #859569 · as of July 1, 2026
Active · clear
Hydro Flow Systems INC
San Francisco, CA · CSLB #1004731 · as of July 1, 2026
Active · clear
Hydro Hero Plumbing
Chula Vista, CA · CSLB #1127337 · as of July 1, 2026
Active · clear
Hydro Jetting Experts INC
Northridge, CA · CSLB #1156775 · as of July 1, 2026
Active · clear
Hydro - Logic Plumbing CO
Lomita, CA · CSLB #703283 · as of July 1, 2026
Active · clear
Hydrology Plumbing
Oxnard, CA · CSLB #1073201 · as of July 1, 2026
Active · clear
Hydronica INC
Soquel, CA · CSLB #1047597 · as of July 1, 2026
Active · clear
Hydronic Services INC
Whittier, CA · CSLB #1095318 · as of July 1, 2026
Active · clear
Hydronics Plus - Radiant & Plumbing INC
Fairfield, CA · CSLB #909617 · as of July 1, 2026
Active · clear
Hydroplumber LLC
Redwood City, CA · CSLB #1155016 · as of July 1, 2026
Active · clear
Hydro Plumbers LLC
Garden Grove, CA · CSLB #1107569 · as of July 1, 2026
Active · clear
Hydro Plumbing
Murrieta, CA · CSLB #1106968 · as of July 1, 2026
Active · clear
Hydro Plumbing & Rooter INC
San Francisco, CA · CSLB #922974 · as of July 1, 2026
Active · clear
Hydro Pro Plumbing
Hacienda Heights, CA · CSLB #1068668 · as of July 1, 2026
Active · clear
Hydro Pros Plumbing And Drain Services
Los Angeles, CA · CSLB #1133055 · as of July 1, 2026
Active · clear
Hydrotech LLC
Palm Desert, CA · CSLB #1058442 · as of July 1, 2026
Active · clear
Hydro Tech Rooter & Plumbing
Los Banos, CA · CSLB #1146477 · as of July 1, 2026
Active · clear
Hydrus Plumbing
Montara, CA · CSLB #1002522 · as of July 1, 2026
Active · clear
HY / Lo Plumbing
Monterey, CA · CSLB #422010 · as of July 1, 2026
Active · clear
Hylton Plumbing INC
San Jose, CA · CSLB #287013 · as of July 1, 2026
Active · clear
Hyperflow Plumbing
Bonita, CA · CSLB #1134850 · as of July 1, 2026
Active · clear
H Z Plumbing
Moreno Valley, CA · CSLB #1154481 · as of July 1, 2026
Active · clear
I Am Plumbing And Drains
San Diego, CA · CSLB #1080084 · as of July 1, 2026
Active · clear
Iam@zoneplumbing
Reseda, CA · CSLB #1119114 · as of July 1, 2026
Active · clear
I And Z Plumbing
Chula Vista, CA · CSLB #817405 · as of July 1, 2026
Active · clear
Juan Ramon Ibanez
Los Angeles, CA · CSLB #1085452 · as of July 1, 2026
Active · clear
Gonzalo Alvarado Ibarra
Orange, CA · CSLB #1095795 · as of July 1, 2026
Active · clear
I & B Plumbing
Escondido, CA · CSLB #978241 · as of July 1, 2026
Active · clear
Ib Plumbing LLC
Jurupa Valley, CA · CSLB #1155656 · as of July 1, 2026
Active · clear
Adel Ibrahim
Lake Elsinore, CA · CSLB #1078663 · as of July 1, 2026
Active · clear
I C A INC
Cudahy, CA · CSLB #1086805 · as of July 1, 2026
Active · clear
Ice Plumbing
Sylmar, CA · CSLB #957951 · as of July 1, 2026
Active · clear
Icon Plumbing
Moreno Valley, CA · CSLB #1130988 · as of July 1, 2026
Active · clear
Icon Plumbing CO
Bakersfield, CA · CSLB #893372 · as of July 1, 2026
Active · clear
Ic Plumbing
San Bernardino, CA · CSLB #1143237 · as of July 1, 2026
Active · clear
Ideal Flow Plumbing LLC
Pico Rivera, CA · CSLB #1145895 · as of July 1, 2026
Active · clear
Ideal Plumbing
North Hills, CA · CSLB #1078988 · as of July 1, 2026
Active · clear
Ideal Plumbing Services INC
Gilroy, CA · CSLB #940838 · as of July 1, 2026
Active · clear
Ideal Plumbing Solutions INC
Lancaster, CA · CSLB #1035271 · as of July 1, 2026
Active · clear
Ideal Rooter & Plumbing LLC
Daly City, CA · CSLB #917977 · as of July 1, 2026
Active · clear
I&d Elite Plumbing INC
Fresno, CA · CSLB #1148206 · as of July 1, 2026
Active · clear
I Do Plumbing INC
Calabasas, CA · CSLB #1148947 · as of July 1, 2026
Active · clear
Idr Plumbing And Sewer Service
Auburn, CA · CSLB #1018996 · as of July 1, 2026
Active · clear
I E Plumbing Services INC
Sun City, CA · CSLB #964203 · as of July 1, 2026
Active · clear
I F A Plumbing Incorporated
San Bernardino, CA · CSLB #1079661 · as of July 1, 2026
Active · clear
Ifixit Plumbing
Glendale, CA · CSLB #984851 · as of July 1, 2026
Active · clear
Iggys Plumbing & Drain LLC
Rancho Murieta, CA · CSLB #945385 · as of July 1, 2026
Active · clear
Ignite Gas Appliance Solutions
Soulsbyville, CA · CSLB #1041084 · as of July 1, 2026
Active · clear
Igp Solutions INC DBA Igp Plumbing Solutions
Laguna Hills, CA · CSLB #1074955 · as of July 1, 2026
Active · clear
Ihp Plumbing INC
Thousand Oaks, CA · CSLB #924295 · as of July 1, 2026
Active · clear
Ike Plumbing
Santa Monica, CA · CSLB #789126 · as of July 1, 2026
Active · clear
Ike's Plumbing Service
Riverside, CA · CSLB #415530 · as of July 1, 2026
Active · clear
Ikmar Plumbing INC
Mesa, CA · CSLB #1120423 · as of July 1, 2026
Active · clear
Ik Plumbing Drain & Gas LLC
Citrus Heights, CA · CSLB #1151631 · as of July 1, 2026
Active · clear
I Love Sewers Rooter And Plumbing INC
Hacienda Heights, CA · CSLB #820187 · as of July 1, 2026
Active · clear
Christopher Imbro Plumbing
Lomita, CA · CSLB #1001160 · as of July 1, 2026
Active · clear
I M D Plumbing
Long Beach, CA · CSLB #1027253 · as of July 1, 2026
Active · clear
Imes Plumbing
Chico, CA · CSLB #350051 · as of July 1, 2026
Active · clear
Imj Plumbing INC
Oakland, CA · CSLB #1062775 · as of July 1, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 1, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.