Public CSLB records

Master Insulation CORP

License #1100168·Corporation·Cypress, Orange County
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Summary

Master Insulation CORP operating as a corporation is licensed in California under CSLB number 1100168. The license was first issued in 2023, putting the business at 3 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 National Liability and Fire Insurance Company. The business is based in Cypress, in Orange County, California.

Business Information
Address
5762 Lincoln Ave #3134
Cypress, CA 90630
License Details & Classifications
License Number
1100168
Issued
Jan 3, 2023
Status
CLEAR
Expires
Jan 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67272783
Effective
Dec 12, 2024
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
National Liability and Fire Insurance Company
Policy Number
N9WC132281
Effective
Nov 15, 2025
Expires
Nov 15, 2026
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 Master Insulation CORP licensed in California?

Yes. Master Insulation CORP holds California Contractors State License Board license number 1100168. The license was first issued on January 3, 2023. It is valid through January 31, 2027.

What does Master Insulation CORP specialize in?

Master Insulation CORP is licensed for one CSLB classification: C-2 Insulation and Acoustical Contractor.

Where is Master Insulation CORP headquartered?

Master Insulation CORP is headquartered at 5762 Lincoln Ave #3134, Cypress, CA 90630, in Orange County, California.

Does Master Insulation CORP have an active surety bond on file with CSLB?

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

Does Master Insulation CORP carry workers' compensation coverage?

Yes. Master Insulation CORP carries active workers' compensation coverage through National Liability and Fire Insurance Company.

How do I verify Master Insulation CORP's contractor license?

You can verify Master Insulation CORP's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1100168.

Activity Timeline
  1. License issuedJan 3, 2023
  2. Bond activeDec 12, 2024
  3. WC coverage startsNov 15, 2025
  4. WC expiresNov 15, 2026
  5. License expiresJan 31, 2027
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