=TIF Data=
===Chicago,IL==
2017 GIS Data it appears to contain everything that we might need (the CSV contains everything)!!!
http://opendata.dc.gov/datasets/a3aefd57db394fd68d739556253dc44d_18
==Houston, TX==
Last updated 2017, appears to have dates!
http://data.houstontx.gov/dataset/city-tax-increment-reinvestment-zones-tirz