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Cook County · Illinois

Elk Grove Township property tax appeals

An Elk Grove Township property tax appeal starts with the Cook County Assessor's Office, then the Cook County Board of Review. This season's deadline has not been announced yet. Our forecast for Elk Grove Township, Cook County Assessor's Office: Jun 18, 2027 – Sep 1, 2027 (not an official date).

Next deadline
Expected Jun 18, 2027 – Sep 1, 2027
Forecast, not an official date
Elk Grove Township · Cook County Assessor's Office
Source: 35 ILCS 200/12-55 - Illinois Property Tax Code (ILGA; Wayback capture 2026-01-09)Last 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 Elk Grove, 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 an Elk Grove Township property tax appeal?

Who hears an Elk Grove 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 Elk Grove Township filing windows are coming up?

Elk Grove Township filing windows
ClosesAreaWho hears itStatus
Expected Jun 18, 2027 – Sep 1, 2027Elk Grove TownshipCook County Assessor's Office · Official source · Last checked Oct 3, 2026Forecast, not an official date
Expected Sep 8, 2027 – Oct 20, 2027Elk Grove TownshipCook County Board of Review · Official source · Last checked Oct 3, 2026Forecast, not an official date

When were past Elk Grove Township deadlines?

Past Elk Grove Township filing windows
Tax yearWindowOffice
2026Closed September 29, 2026Elk Grove · Cook County Board of Review
2026Closed August 4, 2026Elk Grove · Cook County Assessor's Office
2025Closed June 18, 2025Elk Grove · Cook County Assessor's Office
2022Closed September 1, 2022Elk Grove · Cook County Assessor's Office

When is the Elk Grove appeal deadline?

Cook County Assessor's Office: Expected around August 2027 (between June 18, 2027 and September 1, 2027), based on past deadlines for tax years 2022, 2025 and 2026 (predicted, not yet announced). Cook County Board of Review: Expected to close between September 8, 2027 and October 20, 2027 (predicted, not yet announced). We'll confirm these dates when the county posts them.

Deadline detailBoard of Review re-review
Elk Grove Township, tax year 2025: the Board of Review's decision date was Feb 9, 2026 and the re-review period closed Feb 11, 2026; the Assessor (CCAO) certification date was Apr 20, 2026.[1] (latest published: tax year 2025)
Deadline detailNotice mailed
Elk Grove Township (2025 reassessment): Reassessment Notices were mailed May 6, 2025; appeals were due Jun 18, 2025.[2] (latest published: tax year 2025)

Who can answer questions about my assessment?

Hours: Elk Grove Township Assessor's office hours: 9:00 A.M. to 4:00 P.M. Office: The Elk Grove Township Assessor's office is at Elk Grove Township 600 Landmeier Road Elk Grove Village, IL. 60007; phone (847) 437-0300.

ContactHours
Elk Grove Township Assessor's office hours: 9:00 A.M. to 4:00 P.M.[6]
ContactOffice
The Elk Grove Township Assessor's office is at Elk Grove Township 600 Landmeier Road Elk Grove Village, IL. 60007; phone (847) 437-0300.[6]

Upcoming appeal deadlines in every county we track

What do Elk Grove 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 Elk Grove Township home assessments are spread

Assessed values of 17,952 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 $35,000 and $48,000; the median is $40,000. 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.

Elk Grove Township compared with other townships

  1. Rogers Park$46,001
  2. Oak Park$45,000
  3. Palatine$42,553
  4. Wheeling$42,001
  5. Elk Grove$40,000
  6. Maine$40,000
  7. South Chicago$40,000
  8. Jefferson$38,977
  9. Niles$38,250

Ranked 13 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.

How much home assessments changed, by township

  1. Stickney+21.1%
  2. Riverside+20.4%
  3. Cicero+20.0%
  4. Palos+20.0%
  5. Elk Grove0.0%
  6. Evanston0.0%
  7. Lake View0.0%
  8. Maine0.0%
  9. New Trier0.0%

Ranked 8 of 14; showing the 9 nearest in rank.

Median change in assessed value from tax year 2025 values after the Board of Review to tax year 2026 Assessor-certified values: Berwyn +24.0%, Cicero +20.0%, Elk Grove 0.0%, Evanston 0.0%, Maine 0.0%, New Trier 0.0% and more.

Median change per home from tax year 2025 values after the Board of Review to tax year 2026 Assessor-certified values, for homes with a value at both stages. 14 townships have the newer values so far.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 Elk Grove Township appeals in tax year 2025

  1. Assessor14% lowered of 6,072
  2. Board of Review62% lowered of 6,542

Assessor: 14% of 6,072 appeals lowered (median cut 4.9%); Board of Review: 62% of 6,542 appeals lowered (median cut 6.4%)

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.

Elk Grove Township filing windows on a calendar

  1. Elk Grove TownshipExpected Jun 18, 2027 – Sep 1, 2027 · Cook County Assessor's Office · Forecast, not an official date
  2. Elk Grove TownshipExpected Sep 8, 2027 – Oct 20, 2027 · Cook County Board of Review · Forecast, not an official date

Elk Grove Township: Expected Jun 18, 2027 – Sep 1, 2027; Elk Grove Township: Expected Sep 8, 2027 – Oct 20, 2027

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 Elk Grove?

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

Reassessment cycle
Elk Grove 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 Elk Grove?

Elk Grove Township (2022 reassessment): total assessed value grew 38.1% at the Assessor's initial reassessment, before appeals (tax year 2022). Elk Grove Township (2025 reassessment): the Assessor's median estimated market value for single-family homes was $403,000 (median 2024 sale price $418,000) (tax year 2025).

Assessed value change
Elk Grove Township (2022 reassessment): total assessed value grew 38.1% at the Assessor's initial reassessment, before appeals.[4] (latest published: tax year 2022)
Median assessor estimate
Elk Grove Township (2025 reassessment): the Assessor's median estimated market value for single-family homes was $403,000 (median 2024 sale price $418,000).[2] (latest published: tax year 2025)
Median condo price
Elk Grove Township (2025 reassessment): condos had a median 2024 sale price of $219,000; the Assessor's median estimate was $185,000.[2] (latest published: tax year 2025)
Median sale price
Elk Grove Township (2025 reassessment): the median sale price of single-family homes in 2024 was $418,000; the Assessor's median market value estimate for the class was $403,000.[5] (latest published: tax year 2025)
Median small apartment price
Elk Grove Township (2025 reassessment): small apartment buildings had a median 2024 sale price of $681,000; the Assessor's median estimate was $730,000.[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]Elk Grove 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]Elk Grove Township Property Values Released - Cook County Assessor's Office (press release, August 3, 2022)Official guide or FAQ · last checked Oct 1, 2026
  5. [5]Property Values for Elk Grove Township Released - Cook County Assessor's Office (press release, May 19, 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]Cook County Board of Review Dates and Deadlines 2026 Session (PDF, created 2026-09-14)Official notice, form, calendar or rules · last checked Sep 24, 2026
  10. [10]Frequently Asked Questions - Cook County Board of ReviewOfficial guide or FAQ · last checked Sep 24, 2026
  11. 11.County open data: cook assessmentsRetrieved 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: cook parcelsRetrieved Sep 25, 2026; aggregated by us for the charts above.
  14. 14.County open data: cook parcelsRetrieved Sep 25, 2026; aggregated by us for the charts above.
  15. 15.County open data: appeal resultsAggregated by us for the appeal-results chart.
  16. 16.County open data: appeal resultsAggregated by us for the appeal-results chart.

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

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