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HOLC Confidential National Security Map

The Genesis of the Mortgage Industry: HOLC

"Confidential Residential Security Maps for all major U.S. cities were prepared by the Home Owners' Loan Corporation (HOLC), with special assistance from "competent local real estate brokers and mortgage lenders, believed to represent a fair and composite opinion of the best qualified local people".

Quote from "HOLC Division of Research and Statistics with Cooperation of the Appraisal Department, San Diego, October 20, 1936." (part of the San Diego redlining files)