In this example we see that parking spaces 46G and 47G are deeded to the property
Real Estate agents can get grant deeds from the public records, or have your title company get this document.
When condos are built or converted, the developer must record a Condo Plan with the county. Get the condo plan from your title company. The plan will have plat maps for the division of air space for each level in the building, including the parking garage(s). The parking spaces are labeled with their parking space number.