Assessed Value per square foot of living area
-12% and more      -12% to -9%       -9% to -6%       -6% to -3%       -3% to 0%       0% to 3%       3% to 6%       6% to 9%       9% to 12%       12% and more+ 

Data source: Philadelphia Office of Property Assessment (April 2014 and Nov 2017).

Other maps by Aaron Kreider include: Philly House Age, Philly House Price, Philly House Price Change - April 2014 to Nov 2017, Philly Land Value by Square Foot, Philly Land Value as percent of total assessed, Philly Rent Change, Philly Exterior House Condition,
National Maps
Racial Segregation Index Justice Map - national race and income map