Costington's

 is a limited time building first released during the Christmas 2013 Event in December 2013. It was the tenth prize of the event. Upon completion, Mr. Costington is unlocked. It was re-released as a premium item during the Christmas 2014 Event.

About
 is a high-end department store located in Downtown Springfield. Their slogan is "Over A Century Without A Slogan". Costington's sponsors the annual Thanksgiving Day Parade and holds a "Love Day" celebration. Owned by Mr. Costington, the store has employed many Springfieldians, including Homer (as their parade Santa and as a mattress salesman), Gil and The Yes Guy.

Regular
Mr. Costington
 * Intimidate Employees - 4h
 * Root Out Troublemakers - 8h

Limited Time
Mr. Costington Adult Springfielders
 * Ruin Christmas - 4h
 * Spend a Fortune Monitoring Employees - 12h
 * Shop for loved ones - 6h
 * Stampede Stores - 12h