C-2

C-2 Insulation & Acoustical Contractors in California - Page 5

1,243 CSLB C-2 license records for California (Page 5 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 201-250 of 1,243

ADVANCED HOME ENERGY INC

Clear

License #877873 · BERKELEY

Active

ADVANCED MECHANICAL SPECIALITIES

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License #1053580 · CORONA

Active

ADVANTAGE PLUS ENERGY INSULATION

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License #942625 · SAN CLEMENTE

Active

AGUILAR CHRISTIAN FERNANDO

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License #1055906 · POMONA

Active

AINGWORTH HARVEY ACOUSTIC CEILINGS

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License #715743 · THOUSAND OAKS

Active

AIR DEMOLITION & ENVIRONMENTAL SOLUTIONS

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License #795278 · LOS ANGELES

Active

AIR FLOW CONTROL AIR JV

Clear

License #1054071 · ANAHEIM

Active

AIR KING

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License #1011322 · SCOTTSDALE

Active

AIRPRO MASTER INC

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License #1012763 · LAS VEGAS

Active

AIRSMITHS HOME PERFORMANCE

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License #950795 · SACRAMENTO

Active

AL ACOUSTICAL CEILINGS

Clear

License #1105062 · PACOIMA

Contr Bond Susp

ALERT INSULATION OF CALIFORNIA LLC

Clear

License #1077712 · LA PUENTE

Active

ALEXANDER ACOUSTICS

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License #883917 · SAN DIEGO

Active

ALL - STAR INSULATION CO

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License #784825 · CLAREMONT

Active

ALL ABOUT HOMES

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License #416809 · SANTA ROSA

Active

ALL ABOUT INSULATION INC

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License #1117122 · HOLLISTER

Active

ALL ABOUT T-BAR

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License #570421 · DIAMOND BAR

Active

ALL BAY BUILDERS PERFORMANCE

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License #1042837 · MENLO PARK

Active

ALL CLIMATE AIR INC

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License #870111 · BAKERSFIELD

Active

ALL SEASON'S INSULATION

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License #807832 · PLEASANT HILL

Active

ALL STAR ACOUSTICS

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License #864310 · BEAUMONT

Active

ALL STATE INSULATION INC

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License #1148090 · FREMONT

Active

ALL VALLEY ACOUSTICS

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License #998918 · FRESNO

Active

ALL YEAR INC

Clear

License #406061 · SACRAMENTO

Active

ALLEY CAT CREATIONS

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License #1018396 · SAN LEANDRO

Active

ALLSTATE SPRAY FOAM INSULATION

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License #1052735 · VISALIA

Active

ALPHA HVAC & ELECTRICAL

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License #1060833 · SAN JOSE

Active

ALPHA INSULATION

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License #1071845 · VICTORVILLE

Active

ALPHA INSULATION

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License #1150165 · BAKERSFIELD

Active

ALTA INSULATION & CONSTRUCTION INC

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License #1078786 · FONTANA

Active

AM ACOUSTICS

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License #1147072 · BRENTWOOD

Active

AMERICA INSULATION

Clear

License #1152946 · SACRAMENTO

Active

AMERICA ONE FIREPLACES

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License #459087 · FRESNO

Active

AMERICAN AC HEAT PLUMBING

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License #433868 · HAWTHORNE

Active

AMERICAN ACOUSTICS

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License #974392 · SAN DIEGO

Active

AMERICAN ATTIC

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License #1059651 · OAKLAND

Active

AMERICAN ATTICS

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License #1117229 · TRACY

Active

AMERICAN ENVIRONMENTAL AND ASSOCIATES INC

Clear

License #1003808 · LAGUNA HILLS

Active

AMERICAN HMI INSULATION

Clear

License #1133527 · DOS PALOS

Active

AMERICAN INDUSTRIAL SCAFFOLDING INC

Clear

License #1008202 · CONCORD

Active

AMERICAN INTEGRATED RESOURCES INC

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License #947563 · ORANGE

Active

AMERICAN SERVICES GROUP OF CALIFORNIA INC

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License #769061 · SAN DIMAS

Active

AMERICOOL HEATING AND AIR

Clear

License #971329 · PLACENTIA

Active

AMG

Clear

License #586844 · OAKLAND

Active

AMIDAN BRADLEY JAY

Clear

License #1080460 · AZUSA

Active

ANAX INSULATION AND GUTTERS

Clear

License #1142568 · EUREKA

Active

ANDERSON BRAD CONSTRUCTION INC

Clear

License #606982 · ARROYO GRANDE

Active

ANDERSON HOME SOLUTIONS INC

Clear

License #1015439 · CONCORD

Active

ANTHON INCORPORATED

Clear

License #952663 · LIVERMORE

Active

APODACA DOMINGO CHAVEZ

Clear

License #1073438 · SAN BERNARDINO

Contr Bond Susp

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.