Year Built
<= 1750       1750-1799       1800-1849       1850-1879       1880-1889       1890-1899       1900-1909       1910-1919       1920-1929       1930-1939       1940-1949       1950-1959       1960-1969       1970-1979       1980-1989       1990-1999        2000-2009        2010+   

Data source: Philadelphia Office of Property Assessment (2015).

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