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

The California Contractors State License Board (CSLB) lists 696 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 October 6, 2026.

Showing 61–120 of 696 contractors

1. A & O Insulation INC

   National City, CA · CSLB #1082870 · as of October 6, 2026
   Active · clear
2. A & P Drywall INC

   Escondido, CA · CSLB #733780 · as of October 6, 2026
   Active · clear
3. Apex Acoustics INC

   Fairfield, CA · CSLB #1161035 · as of October 6, 2026
   Active · clear
4. Domingo Chavez Apodaca

   San Bernardino, CA · CSLB #1073438 · as of October 6, 2026
   Active · clear
5. Apple Valley Insulation A Bdi Company INC

   Columbus, CA · CSLB #978408 · as of October 6, 2026
   Active · clear
6. Arctic Insulation INC

   Wilmington, CA · CSLB #566901 · as of October 6, 2026
   Active · clear
7. Armor Roofing

   Modesto, CA · CSLB #759855 · as of October 6, 2026
   Active · clear
8. Arr'e Insulation Services

   San Leandro, CA · CSLB #1135868 · as of October 6, 2026
   Active · clear
9. Arrow Acoustics INC

   Hayward, CA · CSLB #260647 · as of October 6, 2026
   Active · clear
10. Ati Drywall INC

    Nipomo, CA · CSLB #937206 · as of October 6, 2026
    Active · clear
11. Atlantis Interiors

    Sausalito, CA · CSLB #618201 · as of October 6, 2026
    Active · clear
12. Atticali Ecoshield

    Milpitas, CA · CSLB #1149346 · as of October 6, 2026
    Active · clear
13. Attical INC

    Fremont, CA · CSLB #1126472 · as of October 6, 2026
    Active · clear
14. Attic Cats INC

    Winnetka, CA · CSLB #1117987 · as of October 6, 2026
    Active · clear
15. Atticelite Insulation Solutions

    Los Gatos, CA · CSLB #1064834 · as of October 6, 2026
    Active · clear
16. Uh Services Corporation DBA Attic Green

    Concord, CA · CSLB #1105374 · as of October 6, 2026
    Active · clear
17. Atticman Heating & Air Conditioning Insulation INC

    Sacramento, CA · CSLB #1046762 · as of October 6, 2026
    Active · clear
18. Attic Repair Guys INC

    Manteca, CA · CSLB #1155370 · as of October 6, 2026
    Active · clear
19. Attic Solutions Of California LLC

    San Leandro, CA · CSLB #1146271 · as of October 6, 2026
    Active · clear
20. Attic Value

    West Hills, CA · CSLB #1136787 · as of October 6, 2026
    Active · clear
21. Avalon Enclosure Solutions INC

    La Verne, CA · CSLB #1133558 · as of October 6, 2026
    Active · clear
22. Awac INC

    Rancho Cordova, CA · CSLB #1011744 · as of October 6, 2026
    Active · clear
23. Badger Heating & Cooling INC

    Morgan Hill, CA · CSLB #1121373 · as of October 6, 2026
    Active · clear
24. Baf Specialty INC

    San Francisco, CA · CSLB #765120 · as of October 6, 2026
    Active · clear
25. Pat Baird Acoustics INC

    Rocklin, CA · CSLB #731213 · as of October 6, 2026
    Active · clear
26. Banker Insulation

    Ankeny, CA · CSLB #1155499 · as of October 6, 2026
    Active · clear
27. Barre Insulation INC

    Spring Valley, CA · CSLB #1054149 · as of October 6, 2026
    Active · clear
28. Barry Alan Bye DBA Barrys Drywall

    Lake Isabella, CA · CSLB #774936 · as of October 6, 2026
    Active · clear
29. Bartkowski Firestop Installation

    Wilmington, CA · CSLB #1046655 · as of October 6, 2026
    Active · clear
30. Bay Area Acoustics

    Campbell, CA · CSLB #1013637 · as of October 6, 2026
    Active · clear
31. Bay Area Insulation Services

    Redwood City, CA · CSLB #1032509 · as of October 6, 2026
    Active · clear
32. Bay Area Insulation Services INC

    San Jose, CA · CSLB #1053575 · as of October 6, 2026
    Active · clear
33. The Bay Area Insulation

    San Mateo, CA · CSLB #1130303 · as of October 6, 2026
    Active · clear
34. Bay Area Mechanical Insulation

    Santa Clara, CA · CSLB #1013206 · as of October 6, 2026
    Active · clear
35. Bay City INC

    Murphys, CA · CSLB #772631 · as of October 6, 2026
    Active · clear
36. Bay Weatherization & Insulation

    San Jose, CA · CSLB #777747 · as of October 6, 2026
    Active · clear
37. Bay West Insulation INC

    Lathrop, CA · CSLB #1043333 · as of October 6, 2026
    Active · clear
38. B & B Interiors Drywall & Metal Framing

    Madera, CA · CSLB #842784 · as of October 6, 2026
    Active · clear
39. B D Insulation CO

    Santa Rosa, CA · CSLB #1036749 · as of October 6, 2026
    Active · clear
40. Bear Fireproofing

    Alviso, CA · CSLB #1007722 · as of October 6, 2026
    Active · clear
41. Bear Scaffold And Services

    Alviso, CA · CSLB #973311 · as of October 6, 2026
    Active · clear
42. Bedud Insulation INC

    Woodland Hills, CA · CSLB #1154806 · as of October 6, 2026
    Active · clear
43. Bell Roof CO

    Colton, CA · CSLB #119946 · as of October 6, 2026
    Active · clear
44. Belmont Insulation

    Long Beach, CA · CSLB #1144475 · as of October 6, 2026
    Active · clear
45. Beltran Acoustics

    Turlock, CA · CSLB #1122583 · as of October 6, 2026
    Active · clear
46. Bernardino Roofing LLC

    Citrus Heights, CA · CSLB #817945 · as of October 6, 2026
    Active · clear
47. Black Ridge Insulation INC

    Anaheim, CA · CSLB #1141996 · as of October 6, 2026
    Active · clear
48. BL Attic Professional INC

    Santee, CA · CSLB #1082717 · as of October 6, 2026
    Active · clear
49. Blue Phoenix Contracting LLC

    Livermore, CA · CSLB #1113076 · as of October 6, 2026
    Active · clear
50. Bob Jahn's Roofing INC

    Roseville, CA · CSLB #400569 · as of October 6, 2026
    Active · clear
51. Boster Roofing

    Anderson, CA · CSLB #803387 · as of October 6, 2026
    Active · clear
52. B R Acoustical INC

    Sacramento, CA · CSLB #817340 · as of October 6, 2026
    Active · clear
53. Bradley Commercial Interiors LLC

    Porterville, CA · CSLB #1146945 · as of October 6, 2026
    Active · clear
54. Donald E Webster INC DBA Broken Drum Insulation

    Northridge, CA · CSLB #299559 · as of October 6, 2026
    Active · clear
55. Broken Drum Insulation Visalia INC

    Columbus, CA · CSLB #831088 · as of October 6, 2026
    Active · clear
56. Broken Drum Of Bakersfield INC

    Columbus, CA · CSLB #724539 · as of October 6, 2026
    Active · clear
57. Brother's Acoustics INC

    Sacramento, CA · CSLB #1055030 · as of October 6, 2026
    Active · clear
58. Keith Brown Drywall INC

    Wheatland, CA · CSLB #616543 · as of October 6, 2026
    Active · clear
59. Bsc-nevell JV LLC

    El Cajon, CA · CSLB #1098599 · as of October 6, 2026
    Active · clear
60. Builders Insulation Of California LLC

    Madison, CA · CSLB #1059499 · as of October 6, 2026
    Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of October 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.