Illinois Property Taxes

Table of Contents Taxable Value of Homes Surges by 7% New Lennox Growth Rate is Below Fellow Townships Commercial Properties Decrease or Hold Steady The 2025 Deadline for Appeals is September 8 Maximize Your Protest with O’Connor Located just south of Cook County, Will County pairs metropolitan amenities with some of the most beautiful landscapes … Read more

Table of Contents County Deadlines Importance of Appealing and Benefits How the Appeals Process Works How Can O’Connor Help In Illinois, appeal deadlines are approaching fast. Specifically in Cook, DuPage, Kane, Lake, McHenry, and Will counties, where O’Connor represents residential property tax protests, many appeal deadlines have already been announced for September. For Cook County, … Read more

Table of Contents Home Values Increase 8% in 2025 Alone Plainfield vs. Other Townships Small and Mid-Sized Businesses Grow Slightly September 8, 2025, is the Last Day to Appeal O’Connor Makes a Great Protest Partner The Chicago metropolitan area is one of the largest in the United States and continues to grow at a breakneck … Read more

Table of Contents Home Values Surged 10% in 2025 How Joliet Measures up to Other Townships Joliet Commercial Property Offers Mixed Results Joliet’s Final Deadline for Appeals is September 8, 2025 O’Connor Can Spearhead Your Appeal Will County dwarfs the majority of Illinois counties when it comes to population. A heady combination of suburban, rural, … Read more

Table of Contents Home Values Increase 3%, with Some Major Outliers Tax Protests Shield South and Central Chicago Lemont Commercial Property Jumps 7% Appeals Prove Their Own Case in Cook County Informal Appeal Deadline is September 2, 2025 O’Connor has National and Local Reach The 2023 reassessment of Cook County has stayed in the minds … Read more

Table of Contents Taxable Residential Value Rises 7% How Wauconda Stacks up with Other Collar Counties Commercial Property Surges 16% The Cut-Off Date for Appeals is September 2, 2025 O’Connor Will Protest Your Taxes Annually Lake County is becoming one of the most in-demand living areas in the country. Home to both exclusive neighborhoods and … Read more

Table of Contents Leyden Homes Surge 21% in Taxable Value Northern Cook County Hit Hard by Reassessment Leyden Commercial Properties Spike 43% Errors Continue to Haunt Cook County Property Appeals are the Remedy Initial Appeal Deadline Set for September 2, 2025 Let O’Connor Run Your Appeal The 2025 reassessment of northern Cook County has been … Read more

Table of Contents Homes Climbed 8% in Taxable Value in 2025 Rising Values Threaten Communities Commercial Properties Gain 8% September 2 is the Last Day for Appeals O’Connor Can Help You Save For the past few decades, Lake County has established itself as the premier suburb of Chicago. Boasting some of the most exclusive neighborhoods … Read more

Table of Contents Home Values Increase 10% in 2025 The Shared Burden of the Collar Counties Fremont Businesses Add 11% in Assessed Value The Appeal Deadline is August 25, 2025 O’Connor has Local Expertise Lake County trails only DuPage County when it comes to the collar counties around Chicago. Like many of its collar county … Read more

Table of Contents Appeals Counter Reassessment Home Values Show Modest Increase Commercial Property Rises 5% Deadline for Assessor Appeals is August 21, 2025 O’Connor Does Annual Appeals The 2023 reassessment of Cook County was a watershed moment for the people of Chicago and Illinois at large. When the Cook County Assessor’s Office (CCAO) was through … Read more