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The Peoria County Planning and Zoning Department is located on the 3rd floor of the Peoria County Courthouse (Main Street side). The mailing address is:
324 Main StreetRoom 301Peoria, IL 61602
Planning and Zoning office hours are 8:30 a.m. to 5 p.m., Monday through Friday, excluding holidays.
Click here to complete the address request form to receive a property address for a new building in Peoria County, Illinois.