Bidding war for Downsview site In an interview, the city councillor said she had been approached by an undisclosed developer who said Bombardier had discussed selling the property for residential development for up to $900 million.
https://www.thestar.com/business/2018/01/12/bombardier-considers-move-away-from-downsview.html
so todays news mentions theres potential 3 bidders so far. sounds like it can hit 950mil -1 billion.