Public CSLB records

THACKER'S ENGINEERING

License #1141853·Corporation·ONTARIO, San Bernardino County
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Summary

THACKER'S ENGINEERING operating as a corporation is licensed in California under CSLB number 1141853. The license was first issued in 2025, putting the business at 1 year on the active CSLB roster. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with AMERICAN CONTRACTORS INDEMNITY COMPANY and active workers' compensation coverage from STATE COMPENSATION INSURANCE FUND. The business is based in ONTARIO, in San Bernardino County, California.

Business Information
Address
1435 S GROVE AVE #3
ONTARIO, CA 91761
License Details & Classifications
License Number
1141853
Issued
Aug 11, 2025
Status
CLEAR
Expires
Aug 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond Number
100976642
Effective
Jul 16, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
STATE COMPENSATION INSURANCE FUND
Policy Number
9286397
Effective
Jul 16, 2025
Expires
Oct 21, 2026
License StatusActive
Contractor BondOn file
Workers' CompensationActive
Activity Timeline
  1. Bond activeJul 16, 2025
  2. WC coverage startsJul 16, 2025
  3. License issuedAug 11, 2025
  4. WC expiresOct 21, 2026
  5. License expiresAug 31, 2027