HK Group's Keefe sells 50% of 220,000 s/f bldg. valued at $50m

West End Partners, LLC of New York City has purchased 50% of a 220,000 s/f office building at 1351 Washington Blvd. from Diamond Properties of Mt. Kisco, N.Y. for a valuation based on $50 million. An older office building which was renovated in 2006, the property was 90% occupied at closing. Stamford Hospital is one of the largest tenants. Matthew Keefe, president of HK Group, the Westport-based commercial Realtor, was the sole broker. In another transaction, the 54,000 s/f office building at 1290 East Main St. has been sold to Chilton Investment Company from New York City for $11.5 million. Built in 1989, the building was 60% occupied at closing. Leading tenants include Bartlett Tree and Norseland, Inc. Keefe was the sole agent involved in this transaction, representing both the buyer and the seller, GHP Office Realty.