Homes in Gransley rest on 1 acre or more and were built in 2007+. Gransley is a 19 Estate Home Subdivision close to Downtown Alpharetta with Excellent Schools. Homes For Sale In Gransley The average sale price for a home in Gransley, at time of post, for a 5 bedroom, 5 ful and 2 half bathrooms, i... 09/27/2010