Licensed Insulation & Acoustical (C-2) contractors in California

The California Contractors State License Board (CSLB) lists 691 California contractors classified C-2 (Insulation & Acoustical (C-2)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of August 11, 2026.

Showing 61–120 of 691 contractors

Anthon Incorporated
Livermore, CA · CSLB #952663 · as of August 11, 2026
Active · clear
A & O Insulation INC
National City, CA · CSLB #1082870 · as of August 11, 2026
Active · clear
A & P Drywall INC
Escondido, CA · CSLB #733780 · as of August 11, 2026
Active · clear
Domingo Chavez Apodaca
San Bernardino, CA · CSLB #1073438 · as of August 11, 2026
Active · clear
Apple Valley Insulation A Bdi Company INC
Columbus, CA · CSLB #978408 · as of August 11, 2026
Active · clear
Armor Roofing
Modesto, CA · CSLB #759855 · as of August 11, 2026
Active · clear
Arr'e Insulation Services
San Leandro, CA · CSLB #1135868 · as of August 11, 2026
Active · clear
Arrow Acoustics INC
Hayward, CA · CSLB #260647 · as of August 11, 2026
Active · clear
Ati Drywall INC
Nipomo, CA · CSLB #937206 · as of August 11, 2026
Active · clear
Atlantis Interiors
Sausalito, CA · CSLB #618201 · as of August 11, 2026
Active · clear
Atticali Ecoshield
Milpitas, CA · CSLB #1149346 · as of August 11, 2026
Active · clear
Attical INC
Fremont, CA · CSLB #1126472 · as of August 11, 2026
Active · clear
Attic Cats INC
Winnetka, CA · CSLB #1117987 · as of August 11, 2026
Active · clear
Atticelite Insulation Solutions
Los Gatos, CA · CSLB #1064834 · as of August 11, 2026
Active · clear
Uh Services Corporation DBA Attic Green
Concord, CA · CSLB #1105374 · as of August 11, 2026
Active · clear
Atticman Heating & Air Conditioning Insulation INC
Sacramento, CA · CSLB #1046762 · as of August 11, 2026
Active · clear
Attic Repair Guys INC
Manteca, CA · CSLB #1155370 · as of August 11, 2026
Active · clear
Attic Solutions Of California LLC
San Leandro, CA · CSLB #1146271 · as of August 11, 2026
Active · clear
Attic Value
West Hills, CA · CSLB #1136787 · as of August 11, 2026
Active · clear
Avalon Enclosure Solutions INC
La Verne, CA · CSLB #1133558 · as of August 11, 2026
Active · clear
Awac INC
Rancho Cordova, CA · CSLB #1011744 · as of August 11, 2026
Active · clear
Badger Heating & Cooling INC
Morgan Hill, CA · CSLB #1121373 · as of August 11, 2026
Active · clear
Baf Specialty INC
San Francisco, CA · CSLB #765120 · as of August 11, 2026
Active · clear
Pat Baird Acoustics INC
Rocklin, CA · CSLB #731213 · as of August 11, 2026
Active · clear
Banker Insulation
Ankeny, CA · CSLB #1155499 · as of August 11, 2026
Active · clear
Barre Insulation INC
Spring Valley, CA · CSLB #1054149 · as of August 11, 2026
Active · clear
Barry Alan Bye DBA Barrys Drywall
Lake Isabella, CA · CSLB #774936 · as of August 11, 2026
Active · clear
Bay Area Acoustics
Campbell, CA · CSLB #1013637 · as of August 11, 2026
Active · clear
Bay Area Insulation Services
Redwood City, CA · CSLB #1032509 · as of August 11, 2026
Active · clear
Bay Area Insulation Services INC
San Jose, CA · CSLB #1053575 · as of August 11, 2026
Active · clear
The Bay Area Insulation
San Mateo, CA · CSLB #1130303 · as of August 11, 2026
Active · clear
Bay Area Mechanical Insulation
Santa Clara, CA · CSLB #1013206 · as of August 11, 2026
Active · clear
Bay City INC
Murphys, CA · CSLB #772631 · as of August 11, 2026
Active · clear
Bay Weatherization & Insulation
San Jose, CA · CSLB #777747 · as of August 11, 2026
Active · clear
Bay West Insulation INC
Lathrop, CA · CSLB #1043333 · as of August 11, 2026
Active · clear
B & B Interiors Drywall & Metal Framing
Madera, CA · CSLB #842784 · as of August 11, 2026
Active · clear
B D Insulation CO
Santa Rosa, CA · CSLB #1036749 · as of August 11, 2026
Active · clear
Bear Fireproofing
Alviso, CA · CSLB #1007722 · as of August 11, 2026
Active · clear
Bear Scaffold And Services
Alviso, CA · CSLB #973311 · as of August 11, 2026
Active · clear
Bedud Insulation INC
Woodland Hills, CA · CSLB #1154806 · as of August 11, 2026
Active · clear
Bell Roof CO
Colton, CA · CSLB #119946 · as of August 11, 2026
Active · clear
Belmont Insulation
Long Beach, CA · CSLB #1144475 · as of August 11, 2026
Active · clear
Beltran Acoustics
Turlock, CA · CSLB #1122583 · as of August 11, 2026
Active · clear
Bernardino Roofing LLC
Citrus Heights, CA · CSLB #817945 · as of August 11, 2026
Active · clear
Black Ridge Insulation INC
Anaheim, CA · CSLB #1141996 · as of August 11, 2026
Active · clear
BL Attic Professional INC
Santee, CA · CSLB #1082717 · as of August 11, 2026
Active · clear
Blue Phoenix Contracting LLC
Livermore, CA · CSLB #1113076 · as of August 11, 2026
Active · clear
Bob Jahn's Roofing INC
Roseville, CA · CSLB #400569 · as of August 11, 2026
Active · clear
Boster Roofing
Anderson, CA · CSLB #803387 · as of August 11, 2026
Active · clear
B R Acoustical INC
Sacramento, CA · CSLB #817340 · as of August 11, 2026
Active · clear
Bradley Commercial Interiors LLC
Porterville, CA · CSLB #1146945 · as of August 11, 2026
Active · clear
Donald E Webster INC DBA Broken Drum Insulation
Northridge, CA · CSLB #299559 · as of August 11, 2026
Active · clear
Broken Drum Insulation Visalia INC
Columbus, CA · CSLB #831088 · as of August 11, 2026
Active · clear
Broken Drum Of Bakersfield INC
Columbus, CA · CSLB #724539 · as of August 11, 2026
Active · clear
Brother's Acoustics INC
Sacramento, CA · CSLB #1055030 · as of August 11, 2026
Active · clear
Keith Brown Drywall INC
Wheatland, CA · CSLB #616543 · as of August 11, 2026
Active · clear
Bsc-nevell JV LLC
El Cajon, CA · CSLB #1098599 · as of August 11, 2026
Active · clear
Builders Insulation Of California LLC
Madison, CA · CSLB #1059499 · as of August 11, 2026
Active · clear
C2 Acoustical And Insulation Specialty
Manteca, CA · CSLB #1041130 · as of August 11, 2026
Active · clear
Ca Attic Solutions INC
Tracy, CA · CSLB #1120795 · as of August 11, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of August 11, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.