 Before 2009, the assessed value of the property was only about $50,000.In early March 2011, the Open Space Institute (OSI) offered to purchase the propertywhich had, by that time, been reassessed at $240,000for $185,000, and sell it to the town for $85,000.The deal would create an easement with the town, allowing only noncommercial use of the mountain while preserving the municipal parking lot at its base.