Public CSLB records

Md Insulation Company

License #623669·Corporation·South El Monte, Los Angeles County
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Summary

Md Insulation Company operating as a corporation is licensed in California under CSLB number 623669. The license was first issued in 1991, putting the business at 35 years on the active CSLB roster. It carries a single CSLB classification: C-2 — Insulation and Acoustical Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Carolina Casualty Insurance Company. The business is based in South El Monte, in Los Angeles County, California.

Business Information
Address
9702 Klingerman Street
South El Monte, CA 917331729
License Details & Classifications
License Number
623669
Issued
Jul 24, 1991
Status
CLEAR
Expires
Jul 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67393227
Effective
May 19, 2025
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Carolina Casualty Insurance Company
Policy Number
BNET125409655
Effective
Apr 1, 2026
Expires
Apr 1, 2027
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

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 Md Insulation Company licensed in California?

Yes. Md Insulation Company holds California Contractors State License Board license number 623669. The license was first issued on July 24, 1991. It is valid through July 31, 2027.

What does Md Insulation Company specialize in?

Md Insulation Company is licensed for one CSLB classification: C-2 Insulation and Acoustical Contractor.

Where is Md Insulation Company headquartered?

Md Insulation Company is headquartered at 9702 Klingerman Street, South El Monte, CA 917331729, in Los Angeles County, California.

Does Md Insulation Company have an active surety bond on file with CSLB?

Yes. Md Insulation Company has an active California contractor surety bond filed with Western Surety Company.

Does Md Insulation Company carry workers' compensation coverage?

Yes. Md Insulation Company carries active workers' compensation coverage through Carolina Casualty Insurance Company.

How do I verify Md Insulation Company's contractor license?

You can verify Md Insulation Company's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=623669.

Activity Timeline
  1. License issuedJul 24, 1991
  2. Bond activeMay 19, 2025
  3. WC coverage startsApr 1, 2026
  4. WC expiresApr 1, 2027
  5. License expiresJul 31, 2027
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