Blue Valley By Chatham Homes and Sharp Residential. Fulton County, City of Milton and also homes located in Cherokee County Alpharetta, GA. Single-Family Homes on the Cherokee County side from $1,649,000 – $2,485,000. Styles of Estate homes range from French Country to Provincial and Traditional. Most homes sit on close to or over 1 acre. A Wonderful Equestrian Estate Community with a riding arena and a 32 stall stable. Trails throughout the community that consist of a lake streams and hardwoods.