Casual House celebrates | Biz Beat CASUAL HOUSE in downtown Oak Harbor will celebrate its 49th anniversary from 11 a.m. to 3 p.m. today. April 20, 2012 5:11 pm CASUAL HOUSE in downtown Oak Harbor will celebrate its 49th anniversary from 11 a.m. to 3 p.m. today. The event will include savings, a chance to win gift certificates or a Hobo handbag. The store is located on SE Pioneer Way.