Introduction The redlining term comes from the 1930s "Residential Security" maps of major US metropolitan areas, created by the Home Owner's Loan Corporation. These color-coded maps assigned A-D grades to neighborhoods based on investment risk, race, ethnicity, income, class, geography, etc. (Here) Black neighborhoods scored C and D and were redlined because they were considered high-risk or hazardous and labeled risky capital investments. Private lenders, among other officia