A 8,433-square-foot Harbor Acres home that sold for $7.5 million was not only the highest-priced residential sale in October, it was the highest of 2012 to that date. The four-bedroom, two-story Mediterranean-style home at 1486 Hillview St., built in 2008, sits on 100 feet of bayfront and boasts several beautiful mature oak trees. It was originally listed in late April at $8.85 million. Matt and Maureen Morris of Premier Sotheby’s International Realty were the listing agents; Louis Wery of Coldwell Banker Residential Real Estate was the selling agent. Sales information provided by Kim Ogilvie of Michael Saunders & Company.