Current Keystone Hills single family home inventory includes 12 active listings, including 5 detached homes, 4 semi-detached homes, and 3 row homes, with asking prices ranging from $479,900 to $779,900. The median asking price is $562,450 and the average asking price is $591,496. Current listings average approximately $353 per square foot, with a median of approximately $343 per square foot.