HOPKINTON, MASS. — SVN/Parsons Commercial Group Boston has negotiated the sale of an office property located at 77 Main St. in Hopkinton. Thomson Realty Limited Partnership sold the building to Hopkinton Business Center LLC for $8.6 million. At the time of sale, the 55,000-square-foot building was fully leased to a variety of tenants, including a dental office, a jewelry store and a specialized planning and construction company. Victor Galvani of SVN/Parsons represented the seller, while Garrett Quinn, also of SVN/Parsons, represented the buyer in the transaction.