San Diego — An affiliate of Capstone Advisors has completed the sale of Sabre Springs Plaza, a retail center in San Diego’s Sabre Springs community. A Southern California-based private investor acquired the property for $6.8 million. Located at the intersection of Poway Road and Springbrook Drive, the asset features 15,038 square feet of retail space. Phil Voorhees of CBRE’s National Retail Partners – West represented the seller, while Gary Stache of CBRE represented the buyer in the deal. Capstone Advisors has owned and operated the retail center since it acquired the property in 2015.