John William Vonk JR, B General Building Contractor in Apple Valley, CA
John William Vonk JR operating as a sole owner holds an active California contractor license (CSLB #376806), valid through Jun 30, 2027. First issued in 1979, the license has been on the CSLB roster for 47 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Apple Valley, in San Bernardino County, California.
- License Number
- 376806
- Issued
- Jun 12, 1979
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67753107
- Effective
- Jan 19, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jun 21, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is John William Vonk JR licensed in California?
Yes. John William Vonk JR holds California Contractors State License Board license number 376806, which is active and in good standing. The license was first issued on June 12, 1979. It is valid through June 30, 2027.
What does John William Vonk JR specialize in?
John William Vonk JR is licensed for one CSLB classification: B General Building Contractor.
Where is John William Vonk JR headquartered?
John William Vonk JR is headquartered at 19664 Shoshonee Rd, Apple Valley, CA 92307, in San Bernardino County, California.
Does John William Vonk JR have an active surety bond on file with CSLB?
Yes. John William Vonk JR has an active California contractor surety bond filed with Western Surety Company.
Does John William Vonk JR carry workers' compensation coverage?
John William Vonk JR reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify John William Vonk JR's contractor license?
You can verify John William Vonk JR's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=376806.
- License issuedJun 12, 1979
- WC coverage startsJun 21, 2025
- Bond activeJan 19, 2026
- License expiresJun 30, 2027
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