WORCESTER, MASS. — Kelleher & Sadowsky has arranged the sale of a 3,200-square-foot office space located at 31 Harvard St. in Worcester. Private investor Kenneth Davis acquired the property for an undisclosed price and plans to convert the property into office and residential space when vacated by the current tenant, Family Service Organization of Worcester. Will Kelleher and David Cohen of Kelleher & Sadowsky brokered the transaction. The name of the seller was not released.