This is an investment property profile for the Petersham, MA Main Post Office, a government leased property occupied by USPS.? The property features 1,501 interior square feet on a 5,567 square foot site, built in 1966 with new roof and flooring in the last few years.? USPS operates Monday through Friday from 10am to 2pm, Saturday from 9am to 11:30am, and is closed Sunday.? The nearest full-service main post office is in Athol, MA, 10 miles from Petersham.? Petersham, MA has a population of 1,185 residents according to the U.?S.? Census Bureau, with an estimated median household income of $110,750/year and an estimated median home value of $392,400.?