Castillo Julio Antonio, C-10 Electrical Contractor in Ontario, CA
Castillo Julio Antonio operating as a sole owner holds California contractor license #844311, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 2004, the license has been on the CSLB roster for 22 years. It carries 2 CSLB classifications: C-10 Electrical Contractor and C-20 HVAC Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active. The business is based in Ontario, in San Bernardino County, California.
- License Number
- 844311
- Issued
- Aug 9, 2004
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67410928
- Effective
- Jul 22, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Clear Spring Property and Casualty Company
- Policy Number
- CWC02199602
- Effective
- Jun 22, 2025
- Expires
- Jun 22, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Castillo Julio Antonio licensed in California?
Castillo Julio Antonio previously held California Contractors State License Board license number 844311, but the license expired on August 31, 2026 and is not currently valid. It was first issued on August 9, 2004.
What does Castillo Julio Antonio specialize in?
Castillo Julio Antonio is licensed for 2 CSLB classifications: C-10 Electrical Contractor and C-20 HVAC Contractor.
Where is Castillo Julio Antonio headquartered?
Castillo Julio Antonio is headquartered at 750 E Plaza Serena, Ontario, CA 91764, in San Bernardino County, California.
Does Castillo Julio Antonio have an active surety bond on file with CSLB?
Yes. Castillo Julio Antonio has an active California contractor surety bond filed with Western Surety Company.
Does Castillo Julio Antonio carry workers' compensation coverage?
Castillo Julio Antonio has a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active.
How do I verify Castillo Julio Antonio's contractor license?
You can verify Castillo Julio Antonio's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=844311.
- License issuedAug 9, 2004
- WC coverage startsJun 22, 2025
- Bond activeJul 22, 2025
- WC expiredJun 22, 2026
- License expiredAug 31, 2026
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