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Cook County · Illinois

Palatine Township property tax appeals

A Palatine Township property tax appeal starts with the Cook County Assessor's Office, then the Cook County Board of Review. The next deadline is Nov 4, 2026 for Palatine Township, Cook County Assessor's Office.

Next deadline
Nov 4, 2026
Open now
Palatine Township · Cook County Assessor's Office

Opens Sep 22, 2026Closes Nov 4, 2026

Source: Assessment & Appeal Calendar (page last updated 9/22/26) - Cook County Assessor's OfficeLast checked

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Enter the address or parcel number from your notice. We compare the assessment with similar homes and show the numbers, whatever they are. You decide and file yourself.

Part of Cook CountyEvery appeal date in Cook County

Where to file first
Cook County Assessor's Office
Our coverage
Free check available
  • Independent guide — not affiliated with Palatine, Cook County or any government agency.
Last updated
October 1, 2026
Sources last checked
October 3, 2026
Status
Verified guide

How we verify facts

When and where do I file a Palatine Township property tax appeal?

Who hears a Palatine Township appeal?

The stages in order. We are not affiliated with any of these offices.

  1. Cook County Assessor's Office

    Filing: appeal

    Official site

  2. Cook County Board of Review

    Filing: complaint

    Official site

  3. Circuit Court of Cook County (tax objection)

    Filing: objection

  4. Illinois Property Tax Appeal Board

    Filing: appeal

    Official site

Which Palatine Township filing windows are coming up?

Palatine Township filing windows
ClosesAreaWho hears itStatus
Nov 4, 2026Palatine TownshipCook County Assessor's Office · Official source · Last checked Sep 29, 2026Open now

When were past Palatine Township deadlines?

Past Palatine Township filing windows
Tax yearWindowOffice
2025Closed October 22, 2025Palatine · Cook County Assessor's Office
2022Closed September 23, 2022Palatine · Cook County Assessor's Office

When is the Palatine appeal deadline?

Cook County Assessor's Office: Closes November 4, 2026.

Deadline detailBoard of Review re-review
Palatine Township, tax year 2025: the Board of Review's decision date was May 11, 2026 and the re-review period closed May 13, 2026; the Assessor (CCAO) certification date was Jun 1, 2026.[1] (latest published: tax year 2025)
Deadline detailNotice mailed
Palatine Township (2025 reassessment): Reassessment Notices were mailed Sep 9, 2025; appeals were due Oct 22, 2025.[2] (latest published: tax year 2025)

Who can answer questions about my assessment?

Hours: Palatine Township Assessor's office hours: Monday through Friday 8:30 A.M. to 4:00 P.M. Office: The Palatine Township Assessor's office is at 721 S. Quentin Rd. Palatine, IL 60067; phone (847) 358-6700.

ContactHours
Palatine Township Assessor's office hours: Monday through Friday 8:30 A.M. to 4:00 P.M.[6]
ContactOffice
The Palatine Township Assessor's office is at 721 S. Quentin Rd. Palatine, IL 60067; phone (847) 358-6700.[6]

Upcoming appeal deadlines in every county we track

What do Palatine Township property taxes and assessments look like?

Figures from public records and the Census, each with its source. They describe the county's homes as a group, not the value of any one home.

How Palatine Township home assessments are spread

Assessed values of 27,443 homes in the property classes our free check covers (202, 203, 204, 205, 206 and 8 more), tax year 2025 values after the Board of Review. Half are between $34,000 and $58,000; the median is $42,553. The last bar holds everything above it.Source: Assessment records from the county's open data (tax year 2025 values after the Board of Review), retrieved Sep 25, 2026; our calculation.

Palatine Township compared with other townships

  1. Evanston$61,000
  2. Lemont$47,001
  3. Rogers Park$46,001
  4. Oak Park$45,000
  5. Palatine$42,553
  6. Wheeling$42,001
  7. Elk Grove$40,000
  8. Maine$40,000
  9. South Chicago$40,000

Ranked 11 of 38; showing the 9 nearest in rank.

Median assessed value by township: highest North Chicago ($135,400), lowest Thornton ($12,000).

Median assessed value of homes in the property classes our free check covers (202, 203, 204, 205, 206 and 8 more) for each township with at least 50 such homes, tax year 2025 values after the Board of Review.Source: Assessment records from the county's open data (tax year 2025 values after the Board of Review), retrieved Sep 25, 2026; our calculation.

What happened to Palatine Township appeals in tax year 2025

  1. Assessor16% lowered of 11,816
  2. Board of Review54% lowered of 12,196

Assessor: 16% of 11,816 appeals lowered (median cut 5.8%); Board of Review: 54% of 12,196 appeals lowered (median cut 6.0%)

Share of appeals on homes in the property classes our free check covers (202, 203, 204, 205, 206 and 8 more) that were lowered, unchanged or raised, by stage.Source: public appeal results for tax year 2025 from the county's open data, retrieved Sep 25, 2026; our calculation. Past results, not a prediction for any home.

Palatine Township filing windows on a calendar

  1. Palatine TownshipNov 4, 2026 · Cook County Assessor's Office · Open now

The dashed line marks today.

Palatine Township: Nov 4, 2026

Each bar is a filing window from its opening day to its last day. Forecasts show the expected closing range and are not official dates.Source: the official calendars and rules cited in the sources list below.

How often is property reassessed in Palatine?

Palatine Township is reassessed every three years with the North Suburbs; its scheduled reassessment years are 2025, 2028 and 2031.

Reassessment cycle
Palatine Township is reassessed every three years with the North Suburbs; its scheduled reassessment years are 2025, 2028 and 2031.[3]

What do home values and property taxes look like in Palatine?

Palatine Township (2022 reassessment): total assessed value grew 33% at the Assessor's initial reassessment, before appeals (tax year 2022). Palatine Township (2025 reassessment): the Assessor's median estimated market value for single-family homes was $431,000 (median 2024 sale price $425,000) (tax year 2025).

Assessed value change
Palatine Township (2022 reassessment): total assessed value grew 33% at the Assessor's initial reassessment, before appeals.[4] (latest published: tax year 2022)
Median assessor estimate
Palatine Township (2025 reassessment): the Assessor's median estimated market value for single-family homes was $431,000 (median 2024 sale price $425,000).[2] (latest published: tax year 2025)
Median condo price
Palatine Township (2025 reassessment): condos had a median 2024 sale price of $226,000; the Assessor's median estimate was $203,000.[2] (latest published: tax year 2025)
Median sale price
Palatine Township (2025 reassessment): the median sale price of single-family homes in 2024 was $425,000; the Assessor's median market value estimate for the class was $431,000.[5] (latest published: tax year 2025)
Median small apartment price
Palatine Township (2025 reassessment): small apartment buildings had a median 2024 sale price of $780,000; the Assessor's median estimate was $760,000.[2] (latest published: tax year 2025)

Other places nearby

Illinois property tax appeals: all counties

Where do these facts come from?

  1. [1]Board of Review 2025 Re-Review/Decision Dates (PDF, Rev.6/9/2026) - Cook County Board of ReviewOfficial notice, form, calendar or rules · last checked Oct 1, 2026
  2. [2]Palatine Township: Residential Valuations - Cook County Assessor's OfficeOfficial guide or FAQ · last checked Oct 1, 2026
  3. [3]Township Triennial Reassessment Schedule (PDF) - Cook County Board of ReviewOfficial notice, form, calendar or rules · last checked Oct 1, 2026
  4. [4]Palatine Township Property Values Released - Cook County Assessor's Office (press release, August 24, 2022)Official guide or FAQ · last checked Oct 1, 2026
  5. [5]Property Values for Palatine Township Released - Cook County Assessor's Office (press release, September 10, 2025)Official guide or FAQ · last checked Oct 1, 2026
  6. [6]Cook County Township Assessors - Cook County Assessor's OfficeOfficial guide or FAQ · last checked Oct 1, 2026
  7. [7]Assessment & Appeal Calendar (page last updated 9/22/26) - Cook County Assessor's OfficeOfficial notice, form, calendar or rules · last checked Sep 24, 2026
  8. [8]35 ILCS 200/12-55 - Illinois Property Tax Code (ILGA; Wayback capture 2026-01-09)Statute or regulation · last checked Sep 24, 2026
  9. 9.County open data: cook assessmentsRetrieved Sep 25, 2026; aggregated by us for the charts above.
  10. 10.County open data: cook parcelsRetrieved Sep 25, 2026; aggregated by us for the charts above.
  11. 11.County open data: cook parcelsRetrieved Sep 25, 2026; aggregated by us for the charts above.
  12. 12.County open data: cook parcelsRetrieved Sep 25, 2026; aggregated by us for the charts above.
  13. 13.County open data: appeal resultsAggregated by us for the appeal-results chart.
  14. 14.County open data: appeal resultsAggregated by us for the appeal-results chart.

Not affiliated with Palatine Township or any government agency. Not legal advice. Not an appraisal.

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