1.01 Acre Walk Out lot in The Estates at Oak Mill. The Estates at Oak Mill is an upscale development with small acreage tracts. Located in Southeast Columbia on Olivet Rd, just East of The Club at Old Hawthorne. The Estates at Oak Mill offers quiet seclusion with convenient access to I-70, HWY 63 and downtown Columbia. The terrain of mature trees and rolling hills allow for private lots, with both walkout and slab lots available. Fiber internet to be offered by Callabyte Technologies. Other utilities to include: City sewer, Boone County Electric, Ameren Gas, District #9 water.