Beginning April 20, the 2nd and 3rd floors of the Blair-Caldwell Branch Library are closed. The archives and book collection on 2nd floor are in the process of being moved to Central Library where they will be available via the Special Collections Reading Room on 1st floor starting May 1.

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Building And Neighborhood History

Interest in Denver’s building and neighborhood history has grown dramatically in recent years. Our resources include Denver building permits from 1889 to 1955; real estate atlases and Sanborn insurance maps from 1887 to the 1960s; city and business directories; and a collection of published neighborhood and architectural histories. Other collections held by the Department useful for researchers interested in Denver’s built environment include our Western History Subject Index to newspaper articles; clipping files on Denver neighborhoods, streets, and buildings; select architectural plans from our archival collections; and the large number of images of Denver and Colorado buildings from our Photograph Collection. Research Guide