Cook County · Illinois
Hanover Township property tax appeals
A Hanover 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 Hanover Township, Cook County Assessor's Office: Dec 23, 2026 – Jan 28, 2027 (not an official date).
- Next deadline
- Expected Dec 23, 2026 – Jan 28, 2027
- Forecast, not an official date
- Hanover Township · Cook County Assessor's Office
- Source: Assessment & Appeal Calendar (page last updated 9/22/26) - Cook County Assessor's OfficeLast checked
Check a Hanover Township home for free
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 Hanover, Cook County or any government agency.
When and where do I file a Hanover Township property tax appeal?
Who hears a Hanover Township appeal?
The stages in order. We are not affiliated with any of these offices.
Cook County Assessor's Office
Cook County Board of Review
Circuit Court of Cook County (tax objection)
Illinois Property Tax Appeal Board
Which Hanover Township filing windows are coming up?
| Closes | Area | Who hears it | Status |
|---|---|---|---|
| Expected Dec 23, 2026 – Jan 28, 2027 | Hanover Township | Cook County Assessor's Office | Forecast, not an official date |
When were past Hanover Township deadlines?
| Tax year | Window | Office |
|---|---|---|
| 2025 | Closed December 22, 2025 | Hanover · Cook County Assessor's Office |
| 2022 | Closed August 8, 2022 | Hanover · Cook County Assessor's Office |
When is the Hanover appeal deadline?
Cook County Assessor's Office: Expected to close between December 23, 2026 and January 28, 2027 (predicted, not yet announced).
- Deadline detailBoard of Review re-review
- Hanover Township, tax year 2025: the Board of Review's decision date was Jun 1, 2026 and the re-review period closed Jun 3, 2026; the Assessor (CCAO) certification date was Jun 8, 2026.[1]
- Deadline detailNotice mailed
- Hanover Township (2025 reassessment): Reassessment Notices were mailed Nov 6, 2025; appeals were due Dec 22, 2025.[2]
Who can answer questions about my assessment?
Hours: Hanover Township Assessor's office hours: Monday, Wednesday to Friday 8:30 A.M. to 4:30 P.M. Tuesdays from 8:30 A.M. to 7:00 P.M. Office: The Hanover Township Assessor's office is at 250 S Rte. 59, Bartlett, IL 60103; phone (630) 837-0301.
What do Hanover 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 Hanover Township home assessments are spread
Hanover Township compared with other townships
- Orland$35,000
- Riverside$35,000
- Lyons$33,000
- Palos$32,595
- Hanover$31,000
- Leyden$30,000
- West Chicago$30,000
- Berwyn$25,000
- Proviso$24,000
Ranked 24 of 38; showing the 9 nearest in rank.
Median assessed value by township: highest North Chicago ($135,400), lowest Thornton ($12,000).
What happened to Hanover Township appeals in tax year 2025
- Assessor12% lowered of 5,210
- Board of Review52% lowered of 6,429
Assessor: 12% of 5,210 appeals lowered (median cut 6.0%); Board of Review: 52% of 6,429 appeals lowered (median cut 6.2%)
How often is property reassessed in Hanover?
Hanover Township is reassessed every three years with the North Suburbs; its scheduled reassessment years are 2025, 2028 and 2031.
- Reassessment cycle
- Hanover 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 Hanover?
Hanover Township (2022 reassessment): total assessed value grew 35% at the Assessor's initial reassessment, before appeals (tax year 2022). Hanover Township (2025 reassessment): the Assessor's median estimated market value for single-family homes was $312,000 (median 2024 sale price $327,000) (tax year 2025).
- Assessed value change
- Hanover Township (2022 reassessment): total assessed value grew 35% at the Assessor's initial reassessment, before appeals.[4]
- Median assessor estimate
- Hanover Township (2025 reassessment): the Assessor's median estimated market value for single-family homes was $312,000 (median 2024 sale price $327,000).[2]
- Median condo price
- Hanover Township (2025 reassessment): condos had a median 2024 sale price of $270,000; the Assessor's median estimate was $259,000.[2]
- Median sale price
- Hanover Township (2022 reassessment): the median sale price of single-family homes in 2021 was $265,000; the Assessor's median market value estimate for the class was $260,000.[4]
- Median small apartment price
- Hanover Township (2025 reassessment): small apartment buildings had a median 2024 sale price of $875,000; the Assessor's median estimate was $498,000.[2]
Other places nearby
- Evanston TownshipFree check available
- Elk Grove TownshipFree check available
- Leyden TownshipFree check available
- Maine TownshipFree check available
- New Trier TownshipFree check available
- Niles TownshipFree check available
Where do these facts come from?
- [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]Hanover Township: Residential Valuations - Cook County Assessor's OfficeOfficial guide or FAQ · last checked Oct 1, 2026
- [3]Township Triennial Reassessment Schedule (PDF) - Cook County Board of ReviewOfficial notice, form, calendar or rules · last checked Oct 1, 2026
- [4]Hanover Township Property Values Released - Cook County Assessor's Office (press release, July 13, 2022)Official guide or FAQ · last checked Oct 1, 2026
- [5]Cook County Township Assessors - Cook County Assessor's OfficeOfficial guide or FAQ · last checked Oct 1, 2026
- [6]Assessment & Appeal Calendar (page last updated 9/22/26) - Cook County Assessor's OfficeOfficial notice, form, calendar or rules · last checked Sep 24, 2026
- [7]35 ILCS 200/12-55 - Illinois Property Tax Code (ILGA; Wayback capture 2026-01-09)Statute or regulation · last checked Sep 24, 2026
- [8]2025 Assessment Calendar (PDF) - Cook County Assessor's Office (Wayback Machine capture 2026-05-11)Official notice, form, calendar or rules · last checked Sep 24, 2026
- 9.County open data: cook assessmentsRetrieved Sep 25, 2026; aggregated by us for the charts above.
- 10.County open data: cook parcelsRetrieved Sep 25, 2026; aggregated by us for the charts above.
- 11.County open data: cook parcelsRetrieved Sep 25, 2026; aggregated by us for the charts above.
- 12.County open data: cook parcelsRetrieved Sep 25, 2026; aggregated by us for the charts above.
- 13.County open data: appeal resultsAggregated by us for the appeal-results chart.
- 14.County open data: appeal resultsAggregated by us for the appeal-results chart.
Not affiliated with Hanover Township or any government agency. Not legal advice. Not an appraisal.