Erwin Advanced Air Systems, C-20 HVAC Contractor in Ontario, CA
Erwin Advanced Air Systems operating as a sole owner holds an active California contractor license (CSLB #897796), valid through Jun 30, 2027. First issued in 2007, the license has been on the CSLB roster for 19 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Continental Casualty Company. The business is based in Ontario, in San Bernardino County, California.
- License Number
- 897796
- Issued
- Jun 5, 2007
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800209694
- Effective
- Oct 25, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Continental Casualty Company
- Policy Number
- 8035753885
- Effective
- Jan 1, 2026
- Expires
- Jan 1, 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 Erwin Advanced Air Systems licensed in California?
Yes. Erwin Advanced Air Systems holds California Contractors State License Board license number 897796, which is active and in good standing. The license was first issued on June 5, 2007. It is valid through June 30, 2027.
What does Erwin Advanced Air Systems specialize in?
Erwin Advanced Air Systems is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Erwin Advanced Air Systems headquartered?
Erwin Advanced Air Systems is headquartered at 1555 E Holt Blvd P.O. Box 3171, Ontario, CA 91761, in San Bernardino County, California.
Does Erwin Advanced Air Systems have an active surety bond on file with CSLB?
Yes. Erwin Advanced Air Systems has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Erwin Advanced Air Systems carry workers' compensation coverage?
Yes. Erwin Advanced Air Systems carries active workers' compensation coverage through Continental Casualty Company.
How do I verify Erwin Advanced Air Systems's contractor license?
You can verify Erwin Advanced Air Systems's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=897796.
- License issuedJun 5, 2007
- Bond activeOct 25, 2025
- WC coverage startsJan 1, 2026
- WC expiresJan 1, 2027
- License expiresJun 30, 2027
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