 Kilroy Realty Corp NYSE: KRC inked an agreement to sell The Exchange on 16th, its 750,000 square-foot office property located at Owens Street in San Franciscos Mission Bay neighborhood, for a purchase price of 1.08 billion or 1,440 per square foot. It is touted as the highest per-square-foot sales price for a major property in the citys commercial real estate market. 