18,322 plumbing contractors checked against 6 data sources (Page 367 of 367)
Plumbing contractors for pipes, fixtures, and water systems.
18,322
Total Contractors
17,514
Active Licenses
478
Federal Records
Showing contractors 18301-18322 of 18,322
ZIMMERMAN PLUMBING CO
ClearLicense #1145077 · SAN DIEGO
ZIMMERMAN ROB PLUMBING
ClearLicense #970068 · COLFAX
ZION BUILDERS
ClearLicense #904900 · STOCKTON
ZION ENGINEERING
ClearLicense #440082 · MILL VALLEY
ZION FACILITY SERVICE AND CONSTRUCTION
ClearLicense #1151231 · COMPTON
ZION PLUMBING & ROOTER INC
ClearLicense #1026236 · LITTLEROCK
ZION PLUMBING AND ROOTER
ClearLicense #815931 · WINNETKA
ZIP APPLIANCE REPAIR & SERVICE LLC
ClearLicense #1116346 · BAKERSFIELD
ZIP RENOVATION & AIR
ClearLicense #762505 · DIAMOND BAR
ZITKO PETER ANTHONY
ClearLicense #529579 · HIDDEN VALLEY LAKE
ZONA PLUMBING
ClearLicense #1125403 · SAN FRANCISCO
ZOOM DRAIN LOS ANGELES
ClearLicense #1129614 · TORRANCE
ZOOM DRAIN NORTH ORANGE COUNTY
ClearLicense #1135012 · COSTA MESA
ZOOM DRAIN RIVERSIDE
ClearLicense #1123480 · FALLBROOK
ZOOM DRAIN SAN DIEGO
ClearLicense #1105740 · SAN DIEGO
ZOOM DRAIN SD NORTH COUNTY
ClearLicense #1113492 · ESCONDIDO
ZOTTI KENNETH D INC
ClearLicense #558579 · APTOS
ZP PLUMBING INC
ClearLicense #1121302 · BELLFLOWER
ZUNI PLUMBING INC
ClearLicense #1097151 · MORENO VALLEY
ZUNI'S PLUMBING & ROOTER
ClearLicense #1142744 · LEMOORE
ZUNIGA VICENTE JR
ClearLicense #1014752 · WESTMINSTER
ZUNIGA'S PLUMBING SERVICES INC
ClearLicense #1072116 · LOS ANGELES
California requires all contractors performing plumbing work valued at $500+ to hold a valid CSLB C36 license. Of the 18,322 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.
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.