C-2

Insulation & Acoustical Contractor Verification - Page 25

1,227 insulation & acoustical contractors checked against 6 data sources (Page 25 of 25)

About C-2 License

Insulation and acoustical contractors for thermal and sound insulation.

1,227

Total Contractors

1,184

Active Licenses

153

Federal Records

Verify an Insulation & Acoustical Contractor

Insulation & Acoustical Contractors

Showing contractors 1201-1227 of 1,227

WESTERN INDUSTRIAL INSULATION INC

Clear

License #883613 · BLOOMFIELD

Active

WESTERN INTERIORS INC

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License #1031637 · ESCONDIDO

Active

WESTERN METAL BUILDINGS

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License #623379 · OAKDALE

Active

WESTERN PARTITIONS INC

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License #827526 · LAKE OSWEGO

Active

WESTERN VALLEY CONSTRUCTION

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License #991099 · OLIVEHURST

Active

WIKE RESTORATION INC

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License #947957 · YUBA CITY

Active

WILLIS J CO

Clear

License #500659 · BUENA PARK

Work Comp Susp

WILSON ACOUSTICAL CEILINGS

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License #699454 · RIVERSIDE

Active

WILSON JACK R JR

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License #338416 · JAMESTOWN

Active

WIN-R INSULATION INCORPORATED

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License #651499 · KLAMATH FALLS

Active

WINTERS ACOUSTICS

Clear

License #702008 · LAKE HAUASU CITY

Active

WONDERFUL ATTIC CARE INC

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License #1110148 · ENCINO

Active

WORLD CLASS INSULATION

Clear

License #1015020 · PALMDALE

Contr Bond Susp

X R I

Clear

License #492559 · LAGUNA HILLS

Active

YANCEY COMPANY

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License #165793 · SACRAMENTO

Active

YANCEY HOME IMPROVEMENTS INC

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License #714569 · SACRAMENTO

Active

YANCEY TOM COMPANY THE

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License #549999 · CARMICHAEL

Active

YEOMANS CONSTRUCTION

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License #532758 · LONG BEACH

Active

YM INSULATION

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License #1047533 · CHATSWORTH

Active

YOCUM INSULATION INC

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License #1105175 · PALMDALE

Active

YOHAI PINTO

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License #1133049 · CHATSWORTH

Active

YOSEMITE INSULATION

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License #594311 · FRESNO

Active

YOUR INSULATION SPECIALIST INC

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License #1101740 · RIVERSIDE

Active

ZAMORA INSULATION

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License #1079171 · SALINAS

Active

ZAMPELL REFRACTORIES INC

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License #861923 · NEWBURYPORT

Active

ZITRO ACOUSTICS INC

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License #894740 · HAYWARD

Active

ZOLNAY INSULATION INC

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License #881565 · YORBA LINDA

Active

How to Verify a Insulation & Acoustical Contractor (C-2) in California

California requires all contractors performing insulation & acoustical work valued at $500+ to hold a valid CSLB C-2 license. Of the 1,227 licensed insulation & acoustical contractors in the state, 96% currently hold active licenses and 12.5% 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 Insulation & Acoustical Contractors

  • Verify the contractor license is active and in good standing
  • Request proof of insurance and bonding
  • Get at least 3 written quotes before selecting a contractor
  • Check federal databases: SAM.gov, OSHA, DOL, and EPA records
  • Confirm bond: California requires $25,000+ contractor bond (SB 607)

Why Verification Matters for Insulation & Acoustical Work

Under California's "Controlling Employer" doctrine, general contractors face liability for subcontractor safety violations. For insulation & acoustical work specifically, 12.5% 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.