Public CSLB records

Attic Efficiency INC

License #1089510·Corporation·San Francisco, San Francisco County
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Summary

Attic Efficiency INC operating as a corporation is licensed in California under CSLB number 1089510. The license was first issued in 2022, putting the business at 4 years on the active CSLB roster. It carries a single CSLB classification: C-2 — Insulation and Acoustical Contractor. Records show a previously-filed surety bond from North River Insurance Company (the) that is no longer active and active workers' compensation coverage from State Compensation Insurance Fund. The business is based in San Francisco, in San Francisco County, California.

Business Information
Address
500 Beale Street #129
San Francisco, CA 94105
License Details & Classifications
License Number
1089510
Issued
Apr 5, 2022
Status
CLEAR
Expires
Apr 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
North River Insurance Company (the)
Bond Number
04CF642892
Effective
Apr 4, 2025
Status
Cancelled
Cancelled
May 7, 2026
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
State Compensation Insurance Fund
Policy Number
9385994
Effective
Aug 22, 2025
Expires
Aug 22, 2026
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
  • Contractor bond cancelled
License StatusInactive / Expired
Contractor BondCancelled
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Attic Efficiency INC licensed in California?

Attic Efficiency INC holds California Contractors State License Board license number 1089510. The license was first issued on April 5, 2022. It is valid through April 30, 2026.

What does Attic Efficiency INC specialize in?

Attic Efficiency INC is licensed for one CSLB classification: C-2 Insulation and Acoustical Contractor.

Where is Attic Efficiency INC headquartered?

Attic Efficiency INC is headquartered at 500 Beale Street #129, San Francisco, CA 94105, in San Francisco County, California.

Does Attic Efficiency INC have an active surety bond on file with CSLB?

Attic Efficiency INC has a previously-filed surety bond from North River Insurance Company (the) that is no longer active.

Does Attic Efficiency INC carry workers' compensation coverage?

Yes. Attic Efficiency INC carries active workers' compensation coverage through State Compensation Insurance Fund.

How do I verify Attic Efficiency INC's contractor license?

You can verify Attic Efficiency INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1089510.

Activity Timeline
  1. License issuedApr 5, 2022
  2. Bond activeApr 4, 2025
  3. WC coverage startsAug 22, 2025
  4. License expiredApr 30, 2026
  5. Bond cancelledMay 7, 2026
  6. WC expiresAug 22, 2026
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