Diamond Star Insulation
Verified against CSLB on · View on CSLB
License details
- License number
- 1100974
- Status
- Active
- Classifications
- C-2 · Insulation and Acoustical
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- January 30, 2023 – January 31, 2027
Business
- (661) 478 2951 (CSLB public record)
- 43608 PICASO STREET, Lancaster, CA 93535Los Angeles County
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Frequently asked questions
Is Diamond Star Insulation licensed in California?
Yes. Diamond Star Insulation holds an active California state contractor license (CSLB #1100974), verified against the CSLB public record on June 17, 2026.
What is Diamond Star Insulation's CSLB license number?
Diamond Star Insulation's California contractor license number is 1100974. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1100974
What kind of work is Diamond Star Insulation licensed for?
Diamond Star Insulation is classified under Insulation and Acoustical (C-2) by the CSLB.
How do I verify Diamond Star Insulation's license myself?
Look up license #1100974 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1100974. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.