Sadly, no.
HART UBC, the program we're working with, has tried to create a tool that has surplus lands from all levels of government in a single view. The federal government isn't very good at it because it's distributed among different organizations. Here in Ottawa, some of it might be with Canada Lands. Some of it might be with the National Capital Commission or with the RCMP.
As for any question you want to ask about data, from our point of view, we want more of it, and we want more of it to be transparent. We're nerds. Let us loose on the data, but in order to do that, you have to make the data open and accessible.