MILWAUKEE — Founders 3 Real Estate Services has brokered the sale of Birchwood Storage in Milwaukee for $6 million. The 487-unit self-storage facility is located on 6.3 acres at 5115 W. Good Hope Road. The property consists of 57 climate-controlled units and 430 non-climate-controlled units. Paul McBride of Founders 3 represented the buyer, Good Hope Road Self Storage LLC. Birchwood Good Hope Road LLC was the seller.