Looking at one of the train stations in a lower-priced section of Weston, properties within walking distance of the stop go for roughly $2 million per acre, according to Zillow. Given what happened to the properties around the Green Line extension, I would expect those properties to sell for at least twice their Zillow listing price.
I thought about what it would take to get me to sell. I think it would take multiple millions, with a sub-5% mortgage, to get me to sell. It is kind of hard to put a value on it because I have established mini-orchard and berry patches.
How many housing units and parking spaces can you fit into two acres? Unless the units are heavily subsidized, I don't think any of them will be considered "affordable" because condos in the area sold for around half a million dollars seven years ago, and so I'd expect these to go for at least $750,000 to a million.