Riverside Township property tax appeal
If you own a home in Riverside Township, Cook County, you can appeal your assessment for free — first with the Cook County Assessor, then with the Board of Review. Here's where things stand right now.
Filing status
Both posted windows for Riverside have closed. Watch the official websites for the next filing period.
2026 Riverside Township appeal dates
Dates come from the official calendars. Always confirm on the official site before you file.
Filing mode: file in Riverside Township step by step
No window is open right now. You can still walk through the steps to get ready.
0 of 6 steps done
Gather what you need
Your 14-digit PIN, the owner's name, the property address, and 3–5 similar homes with lower assessed values (your NeighborComp kit lists them).
Open the Cook County Assessor filing site
It opens in a new tab. Keep this page open beside it.
Open the official Cook County Assessor siteCreate a free account or sign in
Filing is free. You don't need a lawyer.
Start a new residential appeal
Choose your property by PIN. Select "Lack of uniformity" (similar homes assessed lower) as your reason.
Enter your comparable homes
Type in each comparable's PIN. Add your requested assessed value from your kit.
Upload evidence and submit
Attach your kit's comparables pages as a PDF, review everything, and submit. Save the confirmation number.
NeighborComp is a private company. You file yourself on the official government site; we never file on your behalf.
Want someone to file for you?
Prefer not to do it yourself? Leave your details and we'll pass them to an independent Cook County property tax attorney who can contact you. Many work for a share of the savings.
How to appeal in Riverside Township
- Check whether your home is assessed higher per square foot than similar homes in your Riverside neighborhood. Our free check does this in 30 seconds.
- Gather evidence: 3–5 comparable homes with lower assessments, or recent sales of similar homes.
- File online with the Assessor while the Riverside window is open. Filing is free and no lawyer is required.
- If the Assessor doesn't lower your value enough, file again with the Board of Review when its Riverside window opens.
- Still not satisfied? You may appeal to the Illinois Property Tax Appeal Board (PTAB) after the Board of Review decision.
Is your Riverside Township home over-assessed?
Enter your address or PIN to compare your assessment with similar nearby homes using public county records.
Questions? support@neighborcomp.com