C36

Plumbing Contractor Verification - Page 6

18,080 plumbing contractors checked against 6 data sources (Page 6 of 362)

About C36 License

Plumbing contractors for pipes, fixtures, and water systems.

18,080

Total Contractors

17,364

Active Licenses

478

Federal Records

Verify a Plumbing Contractor

Plumbing Contractors

Showing contractors 251-300 of 18,080

COMFORT DYNAMICS INC

1 flag

License #768923 · SAN LEANDRO

Active

CONTINENTAL PLUMBING INC

1 flag

License #399073 · MIRA LOMA

Active

CONTRERAS PLUMBING LLC

1 flag

License #1147223 · COPPEROPOLIS

Active

CRAFTSMEN PLUMBING INC

1 flag

License #744759 · COSTA MESA

Active

CREATIVE DESIGN PLUMBING INC

1 flag

License #688233 · HUNTINGTON BEACH

Active

DAKOTA BACKFLOW CO

1 flag

License #403777 · RANCHO CUCAMONGA

Active

DAVCO / TAB MECHANICAL INC

1 flag

License #861968 · ELK GROVE

Active

DAVE WILLIAMS PLUMBING & ELECTRICAL INC

1 flag

License #924755 · PALM DESERT

Active

DE BELLA MECHANICAL INC

1 flag

License #520449 · SANTA CLARA

Active

DEALER EQUIPMENT REPAIR SERVICE INC

1 flag

License #1034010 · HESPERIA

Active

DELTA PLUMBING CONTRACTORS INC

1 flag

License #1037308 · EL DORADO HILLS

Active

DESERT PLUMBING INC

1 flag

License #599005 · AGUA DULCE

Active

DETAIL DRYWALL & STUCCO INC

1 flag

License #1032948 · HAYWARD

Active

DIAMOND CONSTRUCTION AND WATERPROOFING INC

1 flag

License #988451 · MISSION HILLS

Active

DIAMOND WELL DRILLING COMPANY INC

1 flag

License #970862 · AUBURN

Active

DIERSSEN CONTRACTING CORPORATION

1 flag

License #828329 · ELK GROVE

Active

DISCOUNT PLUMBING & ROOTER CO

1 flag

License #651367 · REDWOOD CITY

Active

DONE RIGHT PLUMBING INC

1 flag

License #669017 · ALAMO

Active

DONLON PLUMBING INC

1 flag

License #975911 · OXNARD

Active

DUPLAN CONSTRUCTION INC

1 flag

License #475164 · CAMPBELL

Active

EAGLE PLUMBING SERVICE INC

1 flag

License #681000 · EL MONTE

Active

EASY FLOW DRAINS INC

1 flag

License #1033798 · POWAY

Active

ELITE PLUMBING INC

1 flag

License #702185 · SANTA ANA

Active

ESCOBAR PLUMBING INC

1 flag

License #623508 · SYLMAR

Active

EXCEL PLUMBING

1 flag

License #661067 · OROVILLE

Active

EXPERT ROOTER & PLUMBING INC

1 flag

License #769967 · SOUTH SAN FRANCISCO

Active

EXPRESS PLUMBING

1 flag

License #778428 · SAN MATEO

Active

FINE LINE CONSTRUCTION INC

1 flag

License #630666 · AVALON

Active

FIRE SAFE SYSTEMS INC

1 flag

License #745383 · REDONDO BEACH

Active

FIRE-N-ICE

1 flag

License #832106 · CORONA

Active

FISCHER PLUMBING

1 flag

License #452949 · SAN BERNARDINO

Active

FLETCHER'S PLUMBING AND CONTRACTING INC

1 flag

License #309313 · YUBA CITY

Active

FRANKLIN & VIZZO PLUMBING INC

1 flag

License #389926 · VENTURA

Active

FRESCHI AIR SYSTEMS LLC

1 flag

License #1077999 · CONCORD

Active

FRESNO PLUMBING

1 flag

License #424352 · FRESNO

Active

FRONTIER PLUMBING

1 flag

License #1011970 · BAKERSFIELD

Active

FUEL OIL SYSTEMS

1 flag

License #793536 · LATHROP

Active

GARDNER PLUMBING

1 flag

License #630596 · REDDING

Work Comp Susp

GARZAC PLUMBING

1 flag

License #830368 · HAYWARD

Active

GENESIS PLUMBING INC

1 flag

License #1029463 · IMPERIAL BEACH

Active

GENMOR PLUMBING INC

1 flag

License #833961 · SAN JOSE

Active

GIL'S PLUMBING INC

1 flag

License #1003127 · PRUNEDALE

Active

GMZ ENGINEERING INC

1 flag

License #967627 · WESTLAKE VILLAGE

Active

GOTELLI PLUMBING COMPANY

1 flag

License #254603 · SAN RAFAEL

Active

GUCHO PLUMBING

1 flag

License #554666 · SAN FRANCISCO

Active

GUERRA ELECTRIC & CONSTRUCTION INC

1 flag

License #1125252 · SANTA ROSA

Active

HALL'S PLUMBING

1 flag

License #738157 · TEHACHAPI

Active

HANSOLO BUILDING SERVICES INC

1 flag

License #633318 · VERNON

Active

HARRIS BAY AREA LLC

1 flag

License #1060887 · BRISBANE

Active

HEATON & SON PLUMBING INC

1 flag

License #519206 · ORANGE

Active

How to Verify a Plumbing Contractor (C36) in California

California requires all contractors performing plumbing work valued at $500+ to hold a valid CSLB C36 license. Of the 18,080 licensed plumbing contractors in the state, 96% currently hold active licenses and 2.6% have at least one federal compliance record.

Manual vetting takes 45+ minutes per contractor and routinely misses violations in databases most people don't know to check. SiteVetter runs CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, and EPA environmental records in seconds—creating a timestamped compliance artifact.

Verification Checklist for Plumbing Contractors

  • Confirm licensing for your specific plumbing needs (water heaters, gas lines, sewer)
  • Ask about experience with local building codes and inspection requirements
  • Check if they offer emergency service availability
  • Check federal databases: SAM.gov, OSHA, DOL, and EPA records
  • Confirm bond: California requires $25,000+ contractor bond (SB 607)

Why Verification Matters for Plumbing Work

Under California's "Controlling Employer" doctrine, general contractors face liability for subcontractor safety violations. For plumbing work specifically, 2.6% of licensed contractors have federal records that a standard CSLB license check wouldn't reveal. SiteVetter's 5-database check catches what a single-source verification misses.

Data sourced from California Contractors State License Board and federal databases. Updated weekly. For official verification, check directly with CSLB.