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Cook County Property Tax Reform Group Announces New, Unified Method of Tax Rate Calculation between the Cook County Assessor and Cook County Board of Review

(COOK COUNTY, IL) – The Cook County Property Tax Reform Group today announced the implementation of a new unified, tax-rate calculation methodology to be jointly implemented for the 2026 Tax Year by the Cook County Assessor’s Office (CCAO) a

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Budget and Financial, Taxes, Technology

Cook County Property Tax Bills Mailed On Time, Due April 1

Cook County Board President, Assessor and Clerk announced today that First-Installment 2025 property tax bills have all been mailed by the Treasurer’s Office on schedule. They are also available online, and are due April 1. 

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Taxes

Cook County Releases Independent Study on Modernizing Economic Development Incentives

Findings Offer Practical Roadmap for Improving Transparency, Consistency and Predictability Across County Programs

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Taxes

Cook County Second Installment Property Tax Bills Expected to be Released by November 14, Due December 15

COOK COUNTY, IL - Today, officials from the Cook County property tax system announced that the 1.8 million second installment property tax bills for Tax Year 2024 are expected to be mailed to property owners on November 14, 2025, with a due date…

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Taxes, Technology

Cook County Launches Property Tax System Daily Progress Tracker to Monitor Modernization Project

Cook County Board President Toni Preckwinkle today announced the launch of the Cook County P

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Taxes, Technology