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Sanborn Maps
Gail Borden Public Library
200 N. Grove Ave.
Elgin, IL 60120

Ph: (847) 742-2411

Planning & Neighborhood Services

150 Dexter Ct.
Elgin, IL 60120

Ph: (847) 931-5920
Sanborn Maps (Sanborn Fire Insurance Company Maps) are available at the Gail Borden Public Library and the Elgin Planning Department.

Two detailed maps dated March 1897 and February 1903 are available at the Elgin Planning Department that show the outlines of structures and are color coded to indicate stone, wood, or brick construction. By comparing the shape of the present building with the map outline, it may be possible to determine later additions.

Building Plan Books
Building plan books were also used by local builders for the design and layout of buildings and may be found at the library.