Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Special Service Areas and Tax Increment Finance Areas

Published by Lake County Illinois GIS | Lake County, Illinois | Metadata Last Checked: February 19, 2026 | Last Modified: 2026-02-15T12:20:09.013Z
Download In State Plane Projection Here. SSA and TIF boundaries are based on legal documents filed in the office of the Recorder of Deeds and on court orders. Mapping is based on the legal descriptions from those documents, which relate to existing parcel, municipal, township and PLSS features. Attributes include the district name and address. Update Frequency: This dataset is updated on a weekly basis.

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov