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 7,321–7,380 of 12,055 contractors

Northcoast Plumbing LLC
Eureka, CA · CSLB #1019695 · as of October 8, 2026
Active · clear
North County Water Heater Services
San Marcos, CA · CSLB #971018 · as of October 8, 2026
Active · clear
Northern Marin Plumbing
San Rafael, CA · CSLB #1022066 · as of October 8, 2026
Active · clear
Northern Plumbing
Ukiah, CA · CSLB #1129026 · as of October 8, 2026
Active · clear
Northern Plumbing
Rohnert Park, CA · CSLB #1111384 · as of October 8, 2026
Active · clear
Northern Plumbing INC
Millbrae, CA · CSLB #1076231 · as of October 8, 2026
Active · clear
Northforge Plumbing LLC
San Pedro, CA · CSLB #1159921 · as of October 8, 2026
Active · clear
North Gate Plumbing INC
Oakley, CA · CSLB #1082185 · as of October 8, 2026
Active · clear
North Lake Plumbing
Olympic Valley, CA · CSLB #440649 · as of October 8, 2026
Active · clear
Northmark Plumbing LLC
Torrance, CA · CSLB #1161635 · as of October 8, 2026
Active · clear
Northmont Plumbing
La Mesa, CA · CSLB #1156997 · as of October 8, 2026
Active · clear
North Pacific Plumbing INC
Davis, CA · CSLB #877326 · as of October 8, 2026
Active · clear
North Point Plumbing
West Sacramento, CA · CSLB #1137260 · as of October 8, 2026
Active · clear
North Shore Plumbing LLC
Reno, CA · CSLB #1126590 · as of October 8, 2026
Active · clear
Northside Plumbing
Fairfax, CA · CSLB #1056012 · as of October 8, 2026
Active · clear
Northside Plumbing INC
Canyon Country, CA · CSLB #619132 · as of October 8, 2026
Active · clear
North South Plumbing INC
San Francisco, CA · CSLB #895742 · as of October 8, 2026
Active · clear
North Star Plumbing INC
Seaside, CA · CSLB #1158889 · as of October 8, 2026
Active · clear
North State Plumbing INC
Chico, CA · CSLB #653488 · as of October 8, 2026
Active · clear
North Valley Water Solutions
Gridley, CA · CSLB #1152673 · as of October 8, 2026
Active · clear
Northwestern Plumbing CO
Los Angeles, CA · CSLB #886021 · as of October 8, 2026
Active · clear
North West Plumbing INC
Reno, CA · CSLB #1089089 · as of October 8, 2026
Active · clear
Northwest Plumbing Solutions LLC
Mc Kinleyville, CA · CSLB #1147550 · as of October 8, 2026
Active · clear
Northwood Backflow Services
Redding, CA · CSLB #749187 · as of October 8, 2026
Active · clear
Novak Plumbing LLC
Boulder Creek, CA · CSLB #1152073 · as of October 8, 2026
Active · clear
Nova Plumbing INC
Irvine, CA · CSLB #1091627 · as of October 8, 2026
Active · clear
Nova Service INC
Fresno, CA · CSLB #771417 · as of October 8, 2026
Active · clear
Novoline Plumbing INC
Panorama City, CA · CSLB #1144174 · as of October 8, 2026
Active · clear
Novo Maintenance LLC
Los Angeles, CA · CSLB #1143808 · as of October 8, 2026
Active · clear
NP Plumbing
Windsor, CA · CSLB #1162080 · as of October 8, 2026
Active · clear
N P Rooter & Plumbing
San Pablo, CA · CSLB #1020215 · as of October 8, 2026
Active · clear
Nrba Plumbing & Water Heating
Glendora, CA · CSLB #1158186 · as of October 8, 2026
Active · clear
NRG Plumbing INC
Monterey, CA · CSLB #982241 · as of October 8, 2026
Active · clear
NRP Plumbing INC
San Jose, CA · CSLB #1162309 · as of October 8, 2026
Active · clear
NS Plumbing
San Jose, CA · CSLB #1147112 · as of October 8, 2026
Active · clear
NTP INC
El Cajon, CA · CSLB #1040373 · as of October 8, 2026
Active · clear
NTS Plumbing LLC
Lakeside, CA · CSLB #1155933 · as of October 8, 2026
Active · clear
Nuflow Central Coast
Orcutt, CA · CSLB #1120374 · as of October 8, 2026
Active · clear
Nugent Plumbing Incorporated
San Francisco, CA · CSLB #1025211 · as of October 8, 2026
Active · clear
Numbers Plumbing
Monterey Park, CA · CSLB #910541 · as of October 8, 2026
Active · clear
Numero Uno Plumbing
Oxnard, CA · CSLB #542755 · as of October 8, 2026
Active · clear
Nuview Plumbing LLC
Nuevo, CA · CSLB #1133933 · as of October 8, 2026
Active · clear
Nuvision Plumbing Company
Salinas, CA · CSLB #1070793 · as of October 8, 2026
Active · clear
Nu-way Plumbing
Long Beach, CA · CSLB #1009351 · as of October 8, 2026
Active · clear
NXT Level Plumbing INC
Los Angeles, CA · CSLB #1146853 · as of October 8, 2026
Active · clear
Oak Creek Plumbing
Hollister, CA · CSLB #886007 · as of October 8, 2026
Active · clear
David Oakes Plumbing
Venice, CA · CSLB #887034 · as of October 8, 2026
Active · clear
Oak Hills Plumbing
Shingle Springs, CA · CSLB #1120745 · as of October 8, 2026
Active · clear
Oakhurst Plumbing
Oakhurst, CA · CSLB #377045 · as of October 8, 2026
Active · clear
Oakland Rooter & Plumbing
Oakland, CA · CSLB #965873 · as of October 8, 2026
Active · clear
Alan Oakley Plumbing
Campbell, CA · CSLB #1002745 · as of October 8, 2026
Active · clear
Oakley Plumbing INC
Torrance, CA · CSLB #926402 · as of October 8, 2026
Active · clear
Oak Plumbing INC
Benicia, CA · CSLB #1018855 · as of October 8, 2026
Active · clear
Oasis Plumbing & Drain Service INC
Temecula, CA · CSLB #771930 · as of October 8, 2026
Active · clear
Oasis Pool Plumbing INC
Fontana, CA · CSLB #1105121 · as of October 8, 2026
Active · clear
O B D Plumbing
Eureka, CA · CSLB #820052 · as of October 8, 2026
Active · clear
Mark Oblas Plumbing
Northridge, CA · CSLB #474829 · as of October 8, 2026
Active · clear
O B Plumbing
Carmichael, CA · CSLB #914612 · as of October 8, 2026
Active · clear
Obregon Plumbing And Rooter
La Verne, CA · CSLB #1068506 · as of October 8, 2026
Active · clear
O'briant Plumbing
Rialto, CA · CSLB #982324 · 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.