Home Economic Development Costco plan gets public airing in Yorktown Economic DevelopmentPremium ContentReal EstateWestchester Costco plan gets public airing in Yorktown By Westfair Online - September 20, 2012 SHARE Facebook Twitter Yorktown planning officials will hold a public hearing on a $50 million Costco Wholesale Club development. This content is for Westfair Online members only. Please Sign in / Join to view this content. Become a member by Registering Here.