Table of Contents Notices are Mailed in the Spring or Summer Reviewing the Assessment Notice Basic Information Exemptions Property Values Appeal Deadline Comparing Values and Assessments Gathering Evidence Filing an Appeal and the Assessment Freeze O’Connor is Here to Help Like much of America, property taxes were front and center on the minds of both … Read more
Posts Tagged property tax assessment
The 2026 Cook County Reassessment Targets Western and Southern Suburbs
Table of Contents The 2023 Reassessment The Error-Filled Year That Was 2025 Cook County Taxes Have Increased 182% in the Past 30 Years Communities Facing Reassessment Appeals Can Protect Homes and Businesses O’Connor Helps Taxpayers with Analysis and Evidence Anyone who lives in Cook County has learned to fear the reassessment cycle. This is the … Read more
Nassau County 2026 Property Tax Grievance Guide
Table of Contents Understanding Your Property Assessment Step-By-Step Example How the Grievance Process Affects Your Tax Bill How to File a Grievance Why Professional Help Can Pay Off Stay Ahead of the 2026 Grievance Season Think your Nassau County property taxes are set in stone? Every homeowner has the right to challenge their property assessment … Read more
Illinois State Property Tax Reassessment and Appeals
Illinois has a complex tax system when it comes to real property and real estate. Broken up over individual townships, taxes can vary quite widely from one town to another. Only New Jersey has higher property taxes on average, and navigating this complex web of rules and organizations can be hard for new residents and … Read more
Is it Legal to Raise Property Taxes 20-Fold in One Year?
The owner of the 3-unit triplex at 1633 S Avers Avenue (Chicago IL 60623) saw their Cook County property tax assessment increase 2,080% between 2023 and 2024. This is not a typo. The Cook County Assessor increased their opinion of the value of this property from $16,050 ($5,350/unit) to $350,000 ($116,667/unit). How can the value … Read more
Commercial Values in New Trier Township Experienced Extraordinary Rise of 9.4%, Home Values See a Modest Increase of 1.3%.
Residential Assessment Somewhat Higher The residential property market values of property owners in New Trier Township, Cook County can increase annually. In 2024, the residential property market value in New Trier Township saw a slight increase of 1.3%, increasing from $19.7 billion in 2023 to $19.9 billion. The properties with the most substantial value increase of … Read more
Lyons Township Residential Values increased by 0.6%, while Commercial Values skyrocketed by 6.7%.
Residential Assessment Surges Annually, residential values rise in Cook County for property owners. Residential property in Lyons Township had a 0.6% increase illustrating the growth from $14.8 billion in 2023 to $14.9 billion in 2024. The lowest value houses with a range of $1MM to $1.5MM had a great assessment increase between 2023 and 2024. … Read more
Stickney Township Residential Values on Average Unchanged, Commercial Values climbed by 4%
Residential Assessment Surges Property owners in Cook County typically anticipate an annual increase in property values. In 2024, the combined residential property value in Stickney Township, Cook County, Illinois was just over $3 billion. A 7% increase was observed among residential property owners with residences valued between $500k and $750k, but otherwise property in lower … Read more
Barrington Township Homeowners See Assessments Tick Up by 2% While Commercial Property Owners Find Values Fly Upward 24%.
Residential Assessment Surges The rise of property values in Cook County is not a surprise for residential property owners. Residential property in Barrington Township had a 2% increase showing the rise from $4 billion in 2023 to $4.1 billion to 2024. The highest and lowest-value houses get the biggest assessment increases. Residential property owners of … Read more
New Trier Township 2023 Property Tax Assessments
2023 Property tax assessments for New Trier Township apartment complexes have increased significantly and now total $62.4 million. Retail buildings saw a gain of $6 million, commercial real estate increased by $9 million, and institutional and special properties saw an increase of $979,000. In comparison, the cumulative rise in commercial and single-family property tax assessments … Read more







