Oleksii Koziurenko, C-20 HVAC Contractor in Concord, CA
Oleksii Koziurenko operating as a sole owner holds an active California contractor license (CSLB #1148535), valid through Jan 31, 2028. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and active workers' compensation coverage from Continental Casualty Company. The business is based in Concord, in Contra Costa County, California.
- License Number
- 1148535
- Issued
- Jan 5, 2026
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901209312
- Effective
- Dec 23, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Continental Casualty Company
- Policy Number
- 8035747620
- Effective
- Dec 23, 2025
- Expires
- Dec 23, 2026
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Oleksii Koziurenko licensed in California?
Yes. Oleksii Koziurenko holds California Contractors State License Board license number 1148535, which is active and in good standing. The license was first issued on January 5, 2026. It is valid through January 31, 2028.
What does Oleksii Koziurenko specialize in?
Oleksii Koziurenko is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Oleksii Koziurenko headquartered?
Oleksii Koziurenko is headquartered at 4888 Clayton Rd Apt 14, Concord, CA 94521, in Contra Costa County, California.
Does Oleksii Koziurenko have an active surety bond on file with CSLB?
Yes. Oleksii Koziurenko has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Oleksii Koziurenko carry workers' compensation coverage?
Yes. Oleksii Koziurenko carries active workers' compensation coverage through Continental Casualty Company.
How do I verify Oleksii Koziurenko's contractor license?
You can verify Oleksii Koziurenko's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1148535.
- Bond activeDec 23, 2025
- WC coverage startsDec 23, 2025
- License issuedJan 5, 2026
- WC expiresDec 23, 2026
- License expiresJan 31, 2028
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