March 24, 2026
Rich Township is in the south and west suburbs district, whose reassessment year in the Cook County triennial cycle is 2026. In a reassessment year the Assessor re-derives values across the township.
This page does not publish a filing date and does not tell you whether the window is open today. Cook County sets appeal dates by township and revises them through the year, so the only reliable answer is the county's own, read on the day you need it: the Assessor's assessment and appeal calendar.
Rich Township covers several south suburban communities including:
Municipality and township are not the same thing, and some addresses sit differently than the town name suggests. Your township is decided by the county's record for your PIN. Confirm it at the Assessor's property search.
Cook County reassesses on a three-year rotating schedule. When your township enters its reassessment year, the Assessor recalculates your property's value. That cuts both ways.
The risk: your assessed value can rise, particularly where the market has appreciated.
The opportunity: you can appeal the new assessment with current comparable evidence.
Being outside your reassessment year does not bar an appeal. You can appeal your existing assessment in the intervening years too — the reassessment year is simply when the Assessor is actively re-deriving values.
We do not publish a savings range for Rich Township, because we cannot know one for your property. Any reduction depends on how far your assessment sits from comparable properties, on the composite tax rate for your parcel, and on what the county decides. A change in assessed value does not produce an equal change in a tax bill, and no outcome is guaranteed.
What is worth knowing is the constraint: the Assessor stage has a last file date, late filings are not accepted, and there is no grace period.
Step 1: Find your assessment and your township Look up your PIN at the Assessor's property search. Your assessed value is also on your most recent tax bill. The Assessor mails notices in a reassessment year, but do not treat the arrival of mail as your clock — the published calendar is the authority, and mail can be delayed or misdirected.
Step 2: Find comparable properties A first-level appeal shows that properties genuinely similar to yours — same class, similar size, similar age, nearby — are assessed lower, supported by relevant recent sales. This is what Rule 15 evidence refers to.
Step 3: File before the last file date for Rich Township Confirm that date on the Assessor's calendar and file with the county, or use OverTaxed IL to prepare the packet you file yourself.
The Board of Review is a separate, later stage with its own calendar. OverTaxed IL does not file, sign, prepare, handle, or represent anyone at the Cook County Board of Review. Under the Board's own rules, only a licensed attorney or the taxpayer personally may practise before it. If we ever offer anything at that stage, it would be attorney-led. Do not wait for us — confirm your own deadline with the county.
Not sure where your assessment stands? Run a free check and enter your address or PIN. We pull comparable records and show you how your assessment compares — no account required.
This free check compares available public Cook County records. It estimates whether the evidence appears to support closer review. It does not predict whether an appeal will succeed or reduce taxes.
OverTaxed IL analyzes public Cook County records and prepares a defined Assessor-stage appeal packet. You review it, sign it, and file it yourself. The $69 packet is a preparation service. We prepare it; you review it, sign it, and file it with the county yourself. You can also file on your own with the county at no cost.
OverTaxed IL is not a law firm and does not provide legal or tax advice. We do not guarantee a reduction. County decisions are final, and a change in assessed value does not produce an equal change in a tax bill.