Saving rowhouses to fight gentrification

Planetizen - Last year, Philadelphia's city council "approved the strategic plan of a new land bank to target the redevelopment of thousands of vacant buildings, lots and other tax-delinquent properties."...The Healthy Rowhouse Project challenges oncoming gentrification, arguing that existing stock will always be more affordable than new units, "'because it costs more than $300,000 to build a single unit of affordable housing,' says Black. 'At the same time, we can repair an existing home that people are already living in for $10,000 or less.'"