Diederich's D Security INC, C-61/D-16 Hardware, Locks and Safes Contractor in Upland, CA
Diederich's D Security INC operating as a corporation holds an active California contractor license (CSLB #765024), valid through Jun 30, 2027. First issued in 1999, the license has been on the CSLB roster for 27 years. It carries a single CSLB classification: C-61/D-16 — Hardware, Locks and Safes Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Upland, in San Bernardino County, California.
- License Number
- 765024
- Issued
- Jun 28, 1999
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 43060513
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- May 30, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Diederich's D Security INC licensed in California?
Yes. Diederich's D Security INC holds California Contractors State License Board license number 765024, which is active and in good standing. The license was first issued on June 28, 1999. It is valid through June 30, 2027.
What does Diederich's D Security INC specialize in?
Diederich's D Security INC is licensed for one CSLB classification: C-61/D-16 Hardware, Locks and Safes Contractor.
Where is Diederich's D Security INC headquartered?
Diederich's D Security INC is headquartered at 1658 W 11th Street Suite I, Upland, CA 917863565, in San Bernardino County, California.
Does Diederich's D Security INC have an active surety bond on file with CSLB?
Yes. Diederich's D Security INC has an active California contractor surety bond filed with Western Surety Company.
Does Diederich's D Security INC carry workers' compensation coverage?
Diederich's D Security INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Diederich's D Security INC's contractor license?
You can verify Diederich's D Security INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=765024.
- License issuedJun 28, 1999
- Bond activeJan 1, 2023
- WC coverage startsMay 30, 2025
- License expiresJun 30, 2027
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