Actually it IS Harvard that has been "preserving all those warehouses and grass pockmarked parking lots." Landbanking.
The neighbors want to see the land developed.
But not developed too much.
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North side of Western Ave., west of N. Harvard St, I believe all the properties that Harvard owns are fully leased, or nearly so. the Boston Skating Club property will be available for something, once the Skating Club builds its new place next to the 'Pike. (Neighbors aren't gushing over that move and development.)
The NW corner of Barry's Corner has the Samuels' project and a second building, owned by Harvard. The NE corner of Barry's corner is the old Charlesview, which will be demolished, and become the site of another Harvard building. multi-use, but not cultural.
South side of Western Ave, west of N. Harvard Stt., there is the new Charlesview, and further housing near Holten St., where there was a machine shop IIRC. The remnant parking lot that remains is for remnant supermarket for the once-upon-a-time glorified strip mall. Harvard Ceramics took over the old Verizon garage, and I believe a local Harvard-sponsored education learning center has moved there as well. (Was on the north side of Barry's Corner.)
South side of Western Ave., east of N. Harvard St. Development of he SE corner of Barry's Corner is blocked by Harvard not owning all the parcels there. Further east, work has again started om the new Science buildings. Further east on Western Ave, there is to be a hotel/conference center.
Aside from that, the empty former trucking terminals and the Beacon Yards and the Mass Pike Allston tolls/interchange are all owned by Harvard, and yes, there are no development projects on the horizon for this land. So it is land-banking.
Across the street, the various new buildings will all be HBS, which is still so cramped for space it is demolishing two of its existing buildings.
As for Allston, only 10 percent of the housing units are owner-occupied.
http://www.thecrimson.com/article/2014/5/5/allston-housing-investor-students/?page=2
When one combines Allston with Brighton, the percentage is about 20 percent.
So exactly who are the complaining NIMBYs in Allston, and what properties do they own relative to the land-banked Harvard land near Genzyme and the Beacon Yards?