New constructions in the neighborhood are selling for a significant amount above construction costs (double or more the market value of the land).  

These issues have been exacerbated by new regulations following the tragic Surfside condo collapse.Legislative Changes:Recent legislation in Florida, such as Senate Bill 4D, has introduced stringent requirements for condominium associations.

As long as the new house meets all of the town's zoning requirements, he said that we could indeed build a second house on the lot and it would be treated essentially as a condo.

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

I am pretty new in the world of real estate.

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.

I recently purchased a property that I am planning to build a new home on.

The amount it costs to "do it right" normally makes new garden units cost prohibitive. 

Looking at new builds (brand new or recent), vetted for major repairs (there will be none presumably, some have a builders' warranty), that I will potentially own for 10-ish years. 

Take a look at BP's blog where new articles are published every day: https://www.biggerpockets.com/blog4.