C-2

C-2 Insulation & Acoustical Contractors in California - Page 6

1,243 CSLB C-2 license records for California (Page 6 of 25)

CSLB C-2 License Scope

Insulation and acoustical contractors for thermal and sound insulation.

1,243

Total Contractors

1,195

Active Licenses

153

Federal Records

Run CSLB License Lookup

C-2 Insulation & Acoustical Contractor License Records

Showing contractors 251-300 of 1,243

APPLE VALLEY INSULATION A B D I COMPANY INC

Clear

License #978408 · COLUMBUS

Active

ARCANA BUILDING SOLUTIONS

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License #827257 · MORGAN HILL

Active

ARCTIC INSULATION INC

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License #566901 · WILMINGTON

Work Comp Susp

ARMOR ROOFING

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License #759855 · MODESTO

Active

ARR'E INSULATION SERVICES

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License #1135868 · SAN LEANDRO

Active

ATI

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License #1075543 · ANAHEIM

Active

ATI DRYWALL INC

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License #937206 · NIPOMO

Contr Bond Susp

ATI RESTORATION SPRING VALLEY CA INC

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License #613991 · ANAHEIM

Active

ATLANTIS INTERIORS

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License #618201 · SAUSALITO

Active

ATTIC ADVISOR

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License #1067298 · CARLSBAD

Active

ATTIC BROS

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License #1115608 · SAN JOSE

Active

ATTIC CATS INC

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License #1117987 · WINNETKA

Active

ATTIC CONSTRUCTION OC

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License #1058682 · IRVINE

Active

ATTIC CREW

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License #1023879 · SAN JOSE

Active

ATTIC EFFICIENCY INC

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License #1089510 · SAN FRANCISCO

Active

ATTIC GREEN

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License #1105374 · CONCORD

Active

ATTIC MASTERS INSULATION SERVICES

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License #1058199 · SHERMAN OAKS

Active

ATTIC PROJECTS LLC

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License #1035247 · SAN DIEGO

Active

ATTIC REPAIR GUYS INC

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License #1155370 · MANTECA

Active

ATTIC SOLUTIONS INC

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License #1036391 · WALNUT CREEK

Active

ATTIC SOLUTIONS OF CALIFORNIA LLC

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License #1146271 · SAN LEANDRO

Active

ATTIC STAR INC

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License #1039731 · HAYWARD

Active

ATTIC TEAM INC

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License #1139000 · SAN JOSE

Active

ATTIC VALUE

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License #1136787 · WEST HILLS

Contr Bond Susp

ATTICAL INC

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License #1126472 · FREMONT

Active

ATTICALI CO

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License #1065530 · MILPITAS

Active

ATTICALI ECOSHIELD

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License #1149346 · MILPITAS

Active

ATTICARE CONSTRUCTION

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License #1051462 · BURBANK

Active

ATTICELITE INSULATION SOLUTIONS

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License #1064834 · LOS GATOS

Active

ATTICMAN HEATING & AIR CONDITIONING INSULATION INC

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License #1046762 · SACRAMENTO

Active

ATTICSHIELD

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License #1138021 · ESCONDIDO

Active

AUBURN ACOUSTICAL

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License #368690 · COLFAX

Active

AVALON ENCLOSURE SOLUTIONS INC

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License #1133558 · LA VERNE

Active

AWAC INC

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License #1011744 · RANCHO CORDOVA

Active

B & B INTERIORS DRYWALL & METAL FRAMING

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License #842784 · MADERA

Active

B & L MECHANICAL INC

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License #492481 · FRESNO

Active

B D INSULATION CO

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License #1036749 · SANTA ROSA

Active

B R ACOUSTICAL INC

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License #817340 · SACRAMENTO

Active

B S D BUILDERS INC

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License #879719 · SAN DIEGO

Active

BADGER HEATING & COOLING INC

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License #1121373 · MORGAN HILL

Active

BAF SPECIALTY INC

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License #765120 · SAN FRANCISCO

Active

BAIRD PAT ACOUSTICS INC

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License #731213 · ROCKLIN

Active

BANKER INSULATION

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License #1155499 · ANKENY

Active

BANTA MARK K ACOUSTIC CEILING SPECIALISTS

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License #283430 · LA MESA

Active

BARRALL GEORGE

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License #343557 · SAN JOSE

Active

BARRE INSULATION INC

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License #1054149 · SPRING VALLEY

Active

BARRYS DRYWALL

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License #774936 · LAKE ISABELLA

Active

BARTH ROOFING COMPANY INC

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License #760030 · LATHROP

Active

BARTKOWSKI FIRESTOP INSTALLATION

Clear

License #1046655 · WILMINGTON

Work Comp Susp

BASS KENNETH

Clear

License #287516 · CULVER CITY

Active

Related CSLB License Classifications

C-2 Insulation & Acoustical Contractor License Lookup

Use this page when you need a California C-2 license lookup, a list of licensed insulation & acoustical contractors, or a quick screen before assigning insulation & acoustical work to a sub. Each row links to a contractor profile with CSLB status, workers' comp, bond, federal records, and permit checks.

California has 1,243 CSLB C-2 license records for insulation & acoustical contractors. 96% currently hold active licenses and 12.3% have at least one federal compliance record. SiteVetter checks CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, EPA environmental records, and building permits in seconds.

What to Check for C-2 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 Federal Records Matter for Insulation & Acoustical Work

For insulation & acoustical work, 12.3% of licensed contractors have federal records that a standard CSLB license check would not reveal. SiteVetter's 6-source lookup gives GCs a faster way to compare subs before bid award, onboarding, or renewal review.

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