Class One Cleanrooms
Class One Cleanrooms operating as a corporation is licensed in California under CSLB number 465364. The license was first issued in 1984, putting the business at 42 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Amtrust Insurance Company. The business is based in Rancho Santa Margarita, in Orange County, California.
Rancho Santa Margarita, CA 92688
- License Number
- 465364
- Issued
- Nov 13, 1984
- Status
- CLEAR
- Expires
- Nov 30, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100268382
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- KWC1436246
- Effective
- Mar 5, 2026
- Expires
- Mar 5, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Class One Cleanrooms licensed in California?
Yes. Class One Cleanrooms holds California Contractors State License Board license number 465364. The license was first issued on November 13, 1984. It is valid through November 30, 2026.
What does Class One Cleanrooms specialize in?
Class One Cleanrooms is licensed for one CSLB classification: B General Building Contractor.
Where is Class One Cleanrooms headquartered?
Class One Cleanrooms is headquartered at 29722 Avenida De Las Banderas, Rancho Santa Margarita, CA 92688, in Orange County, California.
Does Class One Cleanrooms have an active surety bond on file with CSLB?
Yes. Class One Cleanrooms has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Class One Cleanrooms carry workers' compensation coverage?
Yes. Class One Cleanrooms carries active workers' compensation coverage through Amtrust Insurance Company.
How do I verify Class One Cleanrooms's contractor license?
You can verify Class One Cleanrooms's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=465364.
- License issuedNov 13, 1984
- Bond activeJan 1, 2023
- WC coverage startsMar 5, 2026
- License expiresNov 30, 2026
- WC expiresMar 5, 2027
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