Cook County Board of Review · District 1
Fairness for Every
Property Owner
in Cook County.
Chairman George Cardenas leads District 1's mission to protect taxpayers through fair appeals, transparent policy, and direct constituent services.
Chairman George A. Cardenas
Cook County Board of Review · District 1
How Can We Help You?
Select a service below to get started. Every resource is connected to an official filing system or office.
File an Appeal
Submit your property tax appeal through the official BOR portal.
Official Portal ↗Understand My Tax Bill
Learn how assessments, rates, and exemptions affect your bill.
Learn more →Find District 1 Officials
Access all township and county officials serving your area.
Learn more →Request Assistance
Contact our office for casework, workshops, or guidance.
Learn more →Open Resources
Access official forms, deadlines, and BOR reference guides.
Learn more →View Outreach Events
See the first round of 2026 outreach dates, times, and locations.
Learn more →📅 Township Appeal Deadline Watch
Filing windows vary by township and tax year. Confirm current open/close dates before filing. View the official BOR schedule at cookcountyboardofreview.com.
Our Mission
One hub for everything property tax in Cook County.
The property tax system involves four connected government offices. Understanding how they work together — and when to act — is critical to protecting your interests.
View the System Map →
Assessment
The Assessor sets market value and classification using property characteristics, sales data, and comparable properties. Review your notice carefully before filing an appeal.
Assessor →2Appeal
The Board of Review hears evidence-based challenges during the township filing window. Bring comps, photos, income data, or exemption documents that support your case.
Board of Review →3Billing
The Treasurer applies tax rates after equalization and Board decisions, then issues the bill and payment schedule. Use this stage to confirm installments and payment status.
Treasurer →4Records
The Clerk maintains official records, tax extension documents, and statutory reference materials. This is the place to verify filings, look up official documents, and track administration.
Clerk →Newsroom
Latest from Commissioner Cardenas
Turning the Page for Taxpayers
Crain’s editorial (03/2026) regarding property taxes is to the point and its suggestions are much needed. Cook County, specifically Chicago, needs, albeit demands, responsible property tax policy. At the Cook County Board of Review, my fellow commissioners and I are focused on...
March 1, 2026
Budget Tricks Won't Fix a Broken Tax System
While families battle July’s heat and prep their kids for school, a deeper pressure is boiling beneath the surface: property taxes. City Hall’s latest flirtation with tax hikes, brought to light in Crain’s July 25 editorial, is more than just political posturing — it’s a red...
July 29, 2025
We Don't Need a Grocery Tax. We Need a Smarter City Hall.
Mayor Brandon Johnson at City Hall on June 11, 2025. (Brian Cassella/Chicago Tribune)
July 1, 2025
In the News
Policy Leadership
Driving Real Reform for Cook County Taxpayers.
From Circuit Breaker relief to commercial equity reviews, Chairman Cardenas is advancing policies that protect homeowners and businesses from inequitable tax burdens.