18,080 plumbing contractors checked against 6 data sources (Page 31 of 362)
Plumbing contractors for pipes, fixtures, and water systems.
18,080
Total Contractors
17,364
Active Licenses
478
Federal Records
Showing contractors 1501-1550 of 18,080
ALEXANDER DAVID W
ClearLicense #449021 · VAN NUYS
ALEXANDER STEVENS CONSTRUCTION
ClearLicense #1139234 · CHULA VISTA
ALEXANDER WILLIAM STUART
ClearLicense #870423 · REDWOOD CITY
ALEXANDERIAN DAVID ALEXY
ClearLicense #539684 · GLENDALE
ALEXANDERS PLUMBING SERVICE
ClearLicense #620854 · SUNLAND
ALF PLUMBING INC
ClearLicense #1109556 · FRESNO
ALFA & OMEGA CONTRACTORS INC
ClearLicense #863922 · NORTHRIDGE
ALFA HEATING AND COOLING
ClearLicense #1127961 · SHERMAN OAKS
ALFA PLUMBING
ClearLicense #963788 · ALBANY
ALFARO DOUGLAS G
ClearLicense #819818 · LOS ANGELES
ALFORD MICHAEL SHAWN
ClearLicense #777962 · LAKE HILLS
ALFORD PLUMBING
ClearLicense #928184 · SANTA BARBARA
ALFRESCO HEATING
ClearLicense #870395 · NOVATO
ALHAMBRA BACKFLOW
ClearLicense #416044 · ROSEMEAD
ALI'S PLUMBING
ClearLicense #951016 · REDONDO BEACH
ALIAN SIMON
ClearLicense #916455 · RIVERSIDE
ALIGNED DEVELOPERS
ClearLicense #1026570 · SAN JOSE
ALISON SERVICE COMPANY INC
ClearLicense #397905 · HESPERIA
ALJEN PLUMBING CO
ClearLicense #612121 · CARLSBAD
ALKANA TIAGO
ClearLicense #1013503 · CHATSWORTH
ALL - IN PLUMBING CARE INC
ClearLicense #1106099 · BLOOMINGTON
ALL - INTERCITY PLUMBING
ClearLicense #557026 · N PALM SPRINGS
ALL - OUT PLUMBERS
ClearLicense #812540 · CLOVERDALE
ALL - PHASE PLUMBING INC
ClearLicense #757125 · SANTA BARBARA
ALL - PIPE PLUMBING
ClearLicense #897665 · LAKESIDE
ALL - POINT SOLUTIONS PLUMBING CO
ClearLicense #950265 · SAN FRANCISCO
ALL ABOUT DRAINS & PLUMBING
ClearLicense #1115520 · SAN YSIDRO
ALL ABOUT PATIOS
ClearLicense #756502 · WEST SACRAMENTO
ALL ABOUT PLUMBING
ClearLicense #1010450 · OCEANSIDE
ALL ABOUT PLUMBING INC
ClearLicense #1009150 · SPRING VALLEY
ALL ABOUT THE BUSINESS SEPTIC SERVICES
ClearLicense #1048486 · BAKERSFIELD
ALL ACE E & C
ClearLicense #933161 · ARTESIA
ALL ACES BACKFLOW
ClearLicense #1071034 · RANCHO CUCAMONGA
ALL ALOHA PLUMBING SAN DIEGO LLC
ClearLicense #1107520 · ALBANY
ALL AMERICAN BACKFLOW SERVICE
ClearLicense #958529 · HESPERIA
ALL AMERICAN BUILDERS & DEVELOPERS INC
ClearLicense #514643 · ENCINO
ALL AMERICAN BUILDING & INSTALLING
ClearLicense #1124187 · WILDOMAR
ALL AMERICAN BUILDING SERVICES
ClearLicense #921499 · SANTA CLARITA
ALL AMERICAN BUILDING SERVICES ENTERPRISE INC
ClearLicense #1067605 · CHULA VISTA
ALL AMERICAN COMPLETE PLUMBING & ROOTER SERVICE
ClearLicense #1109190 · LOS BANOS
ALL AMERICAN MECHANICAL PLUMBING
ClearLicense #610554 · INDIO
ALL AMERICAN PLUMBING & DRAIN
ClearLicense #1034346 · SANTA BARBARA
ALL AMERICAN PLUMBING & REPAIRS
ClearLicense #868909 · SANTA CLARITA
ALL AMERICAN PLUMBING COMPANY
ClearLicense #788908 · REDWOOD CITY
ALL AMERICAN PLUMBING HEATING & AIR INC
ClearLicense #840958 · LOS BANOS
ALL AMERICAN PLUMBING INC
ClearLicense #986372 · POWAY
ALL AMERICAN REPIPE & PLUMBING INC
ClearLicense #866538 · CHINO
ALL AMERICAN ROOTER AND PLUMBING INC
ClearLicense #1003016 · SAN FERNANDO
ALL AND ALL PLUMBING
ClearLicense #855964 · HAYWARD
ALL AREA SERVICES
ClearLicense #904020 · LOS ANGELES
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.
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.