Cook County · South & West suburbs

Palos Township Property Tax Appeal — 2026 Deadlines & Filing Windows

Everything a Palos homeowner needs to appeal an over-assessment this year: the current filing window, where you sit in the reassessment cycle, how over-assessed Palos homes are, and a plain walkthrough to file your own appeal — free, keeping every dollar you save.

Palos Township homeowners have until 17 July 2026 to appeal their 2026 assessment with the Cook County Assessor, and because 2026 is Palos’s triennial reassessment year, it is the most important year in three to check. By ChonkHub’s read of the public roll, about 10.1% of Palos’s 14,195 assessable homes and condos are assessed above comparable local properties, a median of $1,818 a year in likely over-assessment. Historically, 17.9% of Palos residential appeals to the Assessor have won a reduction, and the Board of Review is a free second chance after that.

When is the property tax appeal deadline in Palos Township?

The 2026 deadline to appeal your assessment with the Cook County Assessor in Palos Township is 17 July 2026. The window is open now; it opened 3 June 2026. This is a hard date — the Assessor does not accept late filings — so confirm it against your Reassessment Notice.

Source: Cook County Assessor Assessment & Appeal Calendar, as of 25 June 2026. Confirm on cookcountyassessoril.gov →

Is Palos Township being reassessed in 2026?

Palos Township is in the Assessor’s South & West suburbs reassessment group, which Cook County reassesses once every three years. 2026 is its reassessment year — the year your assessed value is most likely to change, and the most important year to check, because a new over-assessment can lock in for three years.

What towns are in Palos Township?

Palos Township covers Palos Hills, Hickory Hills, Palos Park, Palos Heights, Worth, Orland Park in Cook County — Palos Hills is the largest share, about 37% of its homes. Your township is determined by where the property sits, not your mailing address, and it sets your filing deadline: homeowners across these towns file on the same 2026 Palos schedule.

How over-assessed are homes in Palos Township?

By ChonkHub’s read of the public roll, about 10.1% of 14,195 assessable dwellings in Palos Township are assessed materially higher than comparable local properties, a median of $1,818 a year in likely over-assessment. It is a population estimate — whether your specific home is over-assessed is a per-parcel question the address check answers directly.

Across Cook County, roughly 124,411 dwellings are strongly over-assessed. See the full over-assessment report and method →

What are the odds of a successful Palos Township appeal?

In Palos Township, about 17.9% of residential appeals to the Assessor have historically won a reduction — and the Board of Review, a separate second stage, reduces assessments again for many who get little from the Assessor.

Palos Township — appeal outcomes at the Assessor

Countywide, the Assessor reduces about 25.0% of appeals and the Board of Review about 31.9%. Full outcome data by year →

How do I appeal my property taxes in Palos Township?

You appeal in up to two free stages — first the Cook County Assessor, then, if needed, the Board of Review — filing as the property owner with comparable properties as your evidence. In Palos Township, start before your 17 July 2026 Assessor deadline: confirm you are over-assessed, gather comparables, and file on the county’s free portal.

Read the full step-by-step guide → · Common questions →