Hartvickson John D, C-20 HVAC Contractor in Concord, CA
Hartvickson John D operating as a sole owner holds an active California contractor license (CSLB #409642), valid through Jul 31, 2027. First issued in 1981, the license has been on the CSLB roster for 45 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Business Alliance Insurance Company and active workers' compensation coverage from Wesco Insurance Company. The business is based in Concord, in Contra Costa County, California.
- License Number
- 409642
- Issued
- Jul 29, 1981
- Status
- CLEAR
- Expires
- Jul 31, 2027
- Entity
- Sole Owner
- Surety
- Business Alliance Insurance Company
- Bond Number
- G90628698849
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Wesco Insurance Company
- Policy Number
- WES3800556
- Effective
- Jul 12, 2025
- Expires
- Jul 12, 2026
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 Hartvickson John D licensed in California?
Yes. Hartvickson John D holds California Contractors State License Board license number 409642, which is active and in good standing. The license was first issued on July 29, 1981. It is valid through July 31, 2027.
What does Hartvickson John D specialize in?
Hartvickson John D is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Hartvickson John D headquartered?
Hartvickson John D is headquartered at 3741 Joan Avenue, Concord, CA 94521, in Contra Costa County, California.
Does Hartvickson John D have an active surety bond on file with CSLB?
Yes. Hartvickson John D has an active California contractor surety bond filed with Business Alliance Insurance Company.
Does Hartvickson John D carry workers' compensation coverage?
Yes. Hartvickson John D carries active workers' compensation coverage through Wesco Insurance Company.
How do I verify Hartvickson John D's contractor license?
You can verify Hartvickson John D's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=409642.
- License issuedJul 29, 1981
- Bond activeJan 1, 2023
- WC coverage startsJul 12, 2025
- WC expiresJul 12, 2026
- License expiresJul 31, 2027
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