Certified General Contractor
Jonathan Markum
Orlando, Orange County
Licensed and active
Current, active · good through Aug 31, 2028
Certified General Contractor license CGC1540913
- License number
- CGC1540913
- Status
- Current, active
- First licensed
- May 8, 2026
- Current license issued
- May 8, 2026
- Expires
- Aug 31, 2028
- Doing business as
- Onesource Commercial, LLC
- Licensed by
- Florida DBPR, Construction Industry
About this license
Jonathan Markum holds a certified general contractor license from the Florida Department of Business and Professional Regulation (DBPR), number CGC1540913. It was first issued on May 8, 2026. The state lists its status as “Current, active”, and it is good through Aug 31, 2028. The city of record is Orlando, Orange County.