Taxpayer Information
Resources
Taxpayer resources and policy documents to help property owners navigate Cook County property taxes.
Filter library
Taxpayer Guides
Plain-language guides to help taxpayers understand and navigate the property tax system.
Research & Analysis
Data-driven research on property taxes, assessments, and equity in Cook County.
Cap Rate Analysis: Industrial Properties in Chicago
The provided document is a capitalization rate (cap rate) study for industrial properties in the Chicago area, prepared by Newmark Valuation & Advisory for Ryan LLC. The report includes detailed economic and market analysis, focusing on various factors affecting the industrial real estate market in...
Gentrification and Property Tax Valuations
Summary of "Quantifying Social Costs Associated with Gentrification for Property Tax Appeal Adjudication"
50-State Property Tax Comparison (2023)
A comprehensive comparison of property tax burdens, rates, and structures across all 50 states for 2023.
Cook County Board of Review Annual Report 2022
Annual report covering Board of Review operations, appeal activity, and countywide service footprint for fiscal year 2022 and assessment year 2021.
Illinois Property Tax Code: Omitted Property Procedures
Explanation of how omitted properties are discovered, assessed, and added to the tax rolls under Sections 9-260, 9-265, and 9-270.
Need More?
Can't find what you're looking for?
Contact our office directly. We can help with appeals guidance, document requests, or connecting you with the right agency.