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Form a Business

City datum.

Municipal Code of Chicago § 10-4-210
in effect
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10-4-210 City datum. The city datum is hereby established as a plane 17.640 feet below the bench mark cut on top of the bottom stone of granite base at the southeast corner of the Northern Trust Company Bank Building at the northwest corner of S. La Salle Street and W. Monroe Street. (Prior code § 30-21)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2649982Fetched: 10/24/2026

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10-4-210 | Corpus