Arbor North Is An Active Adult Community Just Inside The Milton Boarder Close To Alpharetta And Historic Crabapple. Homes Built By D.R. Horton in the mid 1990’s in the brick traditional fashion. Active Adult Community Located just off Crabapple Road Near The Historic Crabapple Area of Alpharetta GA 30004. Homes are built in the Ranch Style with masters on main and most on Slab’s (No Basement). The style of home is in the traditional, brick fashion.