Builders are building and the houses are selling; in suburbs all over the country. I presume the people buying them desire them, they're spending close to half a million for them.
The builders get approval from the county if outside a city, or the city if inside one, or build a new city.
This doesn’t answer my question. Where is it both highly desirable to live and lots of land to build on? And what are there zoning and building regulations?
“All over the country” isn’t a specific answer to the question at hand
Where is there both desirable places to live and infinite land you can build on?
Also important: how are those plots zoned and what is the process for the builders to get approval for their builds?