Maps are a tool to help us better understand the world we live in. Maps help us to navigate successfully. Here are a list of mapping websites available.
These are the main websites for HOLC aka redlining maps.
Choose HOLC data.
Related to redlining, many communities also had restrictions and covenants on property that prevented certain people from being able to live in certain areas.
Some other mapping demonstrations including HOLC maps:
Follow the Money from the Bay Area’s Shores
Redlining California, 1936-1939
The Baltimore “Redlining” Map: Ranking Neighborhoods
Homelessness & Redlining 