Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 11,918 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 3, 2026.

Showing 7,561–7,620 of 11,918 contractors

Ostaggi Plumbing INC
San Rafael, CA · CSLB #908607 · as of July 3, 2026
Active · clear
Osterman Plumbing
Carlsbad, CA · CSLB #1008686 · as of July 3, 2026
Active · clear
Ostrich Plumbing
Inglewood, CA · CSLB #732254 · as of July 3, 2026
Active · clear
Osuna Plumbing
Riverside, CA · CSLB #1038026 · as of July 3, 2026
Active · clear
Ot Plumbing Services
Santa Ana, CA · CSLB #1154039 · as of July 3, 2026
Active · clear
Otteson's Carl Certified Backflow Testing & Repair
Yucca Valley, CA · CSLB #917882 · as of July 3, 2026
Active · clear
Otto B Plumbing
Jamestown, CA · CSLB #1118765 · as of July 3, 2026
Active · clear
Rick Otto's Plumbing
Los Angeles, CA · CSLB #1023562 · as of July 3, 2026
Active · clear
Ott Plumbing
San Francisco, CA · CSLB #1087371 · as of July 3, 2026
Active · clear
Overall Plumbing
Arroyo Grande, CA · CSLB #1070287 · as of July 3, 2026
Active · clear
Overall Plumbing CO INC
Aguanga, CA · CSLB #1140561 · as of July 3, 2026
Active · clear
Todd Overbey Plumbing
Carmichael, CA · CSLB #865848 · as of July 3, 2026
Active · clear
Overflow Drain And Plumbing INC
Vista, CA · CSLB #1147001 · as of July 3, 2026
Active · clear
Clifford E Overmier
San Andreas, CA · CSLB #738491 · as of July 3, 2026
Active · clear
Overstreet Custom Plumbing INC
Lawndale, CA · CSLB #1105389 · as of July 3, 2026
Active · clear
Over Under Plumbing INC
Glendale, CA · CSLB #1140067 · as of July 3, 2026
Active · clear
Overweg Plumbing
Modesto, CA · CSLB #279868 · as of July 3, 2026
Active · clear
Owen Plumbing
San Jose, CA · CSLB #926753 · as of July 3, 2026
Active · clear
Owen Plumbing INC
Anaheim, CA · CSLB #856981 · as of July 3, 2026
Active · clear
Owens Plumbing
Somerset, CA · CSLB #944590 · as of July 3, 2026
Active · clear
Owens Plumbing And Rooter INC
Winnetka, CA · CSLB #1131241 · as of July 3, 2026
Active · clear
Dustin Oxford Plumbing INC
Bakersfield, CA · CSLB #1009543 · as of July 3, 2026
Active · clear
Oxytech
Riverbank, CA · CSLB #747874 · as of July 3, 2026
Active · clear
Oyama Plumbing LLC
Montebello, CA · CSLB #758457 · as of July 3, 2026
Active · clear
O & Z Plumbing Work INC
West Covina, CA · CSLB #911682 · as of July 3, 2026
Active · clear
Ozzy's Plumbing & Drain Service INC
San Diego, CA · CSLB #844033 · as of July 3, 2026
Active · clear
Pablo's Plumbing
Riverside, CA · CSLB #1023144 · as of July 3, 2026
Active · clear
Pablo's Plumbing
Simi Valley, CA · CSLB #1074225 · as of July 3, 2026
Active · clear
Pablo's Plumbing INC
Los Angeles, CA · CSLB #1114376 · as of July 3, 2026
Active · clear
Kenneth Pace
Redlands, CA · CSLB #1032874 · as of July 3, 2026
Active · clear
Rick Pacheco Plumbing
Oceanside, CA · CSLB #1087786 · as of July 3, 2026
Active · clear
Pacific Backflow Corporation
Oceanside, CA · CSLB #1122068 · as of July 3, 2026
Active · clear
Pacific Beach Plumbing INC
San Diego, CA · CSLB #690822 · as of July 3, 2026
Active · clear
Pacific Coast Backflow Services LLC
Long Beach, CA · CSLB #1089309 · as of July 3, 2026
Active · clear
Pacific Coast Copper Repipe INC
Anaheim, CA · CSLB #738350 · as of July 3, 2026
Active · clear
Pacific Coast Elite Plumbing INC
Menifee, CA · CSLB #1156603 · as of July 3, 2026
Active · clear
Pacific Coast Leak Detection INC
Lodi, CA · CSLB #1073760 · as of July 3, 2026
Active · clear
Bonnell's Contracting CO LLC DBA Pacific Coast Plumbing
Palmdale, CA · CSLB #1095793 · as of July 3, 2026
Active · clear
Pacific Coast Plumbing
Castroville, CA · CSLB #648400 · as of July 3, 2026
Active · clear
Pacific Coast Plumbing CO
Lawndale, CA · CSLB #736036 · as of July 3, 2026
Active · clear
Pacific Coast Plumbing & Drains
Costa Mesa, CA · CSLB #965186 · as of July 3, 2026
Active · clear
Pacific Coast Plumbing LLC
Escondido, CA · CSLB #1112929 · as of July 3, 2026
Active · clear
Pacific Drain INC
El Sobrante, CA · CSLB #965694 · as of July 3, 2026
Active · clear
Pacific Edge Plumbing
Lakeside, CA · CSLB #1156463 · as of July 3, 2026
Active · clear
Pacific Express Installation And Services INC
Oceanside, CA · CSLB #878921 · as of July 3, 2026
Active · clear
Pacific Pipeline Plumbing LLC
Ventura, CA · CSLB #1152626 · as of July 3, 2026
Active · clear
Pacific Pipe Plumbing Pros
Santa Barbara, CA · CSLB #1139406 · as of July 3, 2026
Active · clear
Pacific Plumbing
Paso Robles, CA · CSLB #767222 · as of July 3, 2026
Active · clear
Pacific Plumbing
San Carlos, CA · CSLB #587293 · as of July 3, 2026
Active · clear
Pacific Plumbing
Stevenson Ranch, CA · CSLB #680017 · as of July 3, 2026
Active · clear
Pacific Plumbing
Ventura, CA · CSLB #902386 · as of July 3, 2026
Active · clear
Pacific Plumbing
Santa Barbara, CA · CSLB #378839 · as of July 3, 2026
Active · clear
Pacific Plumbing Alliance INC
Oceano, CA · CSLB #1113522 · as of July 3, 2026
Active · clear
Pacific Plumbing CO
Clovis, CA · CSLB #921480 · as of July 3, 2026
Active · clear
Pacific Plumbing INC
Indio, CA · CSLB #1074832 · as of July 3, 2026
Active · clear
Pacific Plumbing LLC
San Diego, CA · CSLB #1144101 · as of July 3, 2026
Active · clear
Pacific Plumbing Pros
Anderson, CA · CSLB #1148049 · as of July 3, 2026
Active · clear
Pacific Plumbing & Rooter
Canoga Park, CA · CSLB #1100237 · as of July 3, 2026
Active · clear
Pacific Plumbing Solution INC
San Francisco, CA · CSLB #1030651 · as of July 3, 2026
Active · clear
Pacific Plumbing Solutions
Escondido, CA · CSLB #999818 · as of July 3, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of July 3, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.