Timelines vary by level: Assessor decisions typically take 1–3 months after the township window closes; Board of Review takes about 2–6 months; and PTAB (state level) can take 1–3 years due to volume and formal review.
Back to all FAQs
How long does a property tax appeal take in Cook County?
Are You Overpaying?
Most Cook County homeowners are over-assessed. Check your potential savings in under a minute.
WHY CHOOSE US?
70% higher success rate than average attorney appeal
Instant AI-powered property analysis
Licensed Illinois tax attorneys & CPAs
3-tier escalation: Assessor → BOR → PTAB
Risk-Free Service
$0 Upfront cost — you only pay if we winOur fee is just 25% of the first year's savings. No hidden fees, no surprises.
View Pricing DetailsGet In Touch
Phone Numbers
Text / SMS