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Historical Gypsum INC

License #505710·Corporation·Sylmar, Los Angeles County
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Summary

Historical Gypsum INC operating as a corporation is licensed in California under CSLB number 505710. The license was first issued in 1987, putting the business at 39 years on the active CSLB roster. It carries a single CSLB classification: C-9 — Drywall 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 Sylmar, in Los Angeles County, California.

Business Information
Address
12810 San Fernando Rd
Sylmar, CA 91342
License Details & Classifications
License Number
505710
Issued
Feb 18, 1987
Status
CLEAR
Expires
Dec 31, 2026
Entity
Corporation
Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
66802816
Effective
Jan 16, 2024
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Jan 29, 2026
Expires
—
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

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

Frequently asked questions
Is Historical Gypsum INC licensed in California?

Yes. Historical Gypsum INC holds California Contractors State License Board license number 505710. The license was first issued on February 18, 1987. It is valid through December 31, 2026.

What does Historical Gypsum INC specialize in?

Historical Gypsum INC is licensed for one CSLB classification: C-9 Drywall Contractor.

Where is Historical Gypsum INC headquartered?

Historical Gypsum INC is headquartered at 12810 San Fernando Rd, Sylmar, CA 91342, in Los Angeles County, California.

Does Historical Gypsum INC have an active surety bond on file with CSLB?

Yes. Historical Gypsum INC has an active California contractor surety bond filed with Western Surety Company.

Does Historical Gypsum INC carry workers' compensation coverage?

Historical Gypsum INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Historical Gypsum INC's contractor license?

You can verify Historical Gypsum INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=505710.

Activity Timeline
  1. License issuedFeb 18, 1987
  2. Bond activeJan 16, 2024
  3. WC coverage startsJan 29, 2026
  4. License expiresDec 31, 2026
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