A lot of housing developments around here use the word "estates" in their title.
The most common definitions of estates (as pertaining to real estate) are:
1. A extensive area of land in the country, usually with a large house, owned by one person or organization and 2. An area or amount of land or property.
I drove by "Leisure Estates" yesterday-a complex of single wide mobile homes for those 55+. It's an example of definition #2: