The address is 4200 N. Hickory Lane.
KMBC story:
http://tinyurl.com/pu6bfs9
Google maps aerial of the mansion.
http://tinyurl.com/klvhbow
Some interior photos:
http://www.kchandg.com/article/party-8-80
http://priceypads.com/exquisite-kansas-city-mansion-4200000/

