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Lake County · Illinois

Libertyville Township property tax appeals

A Libertyville Township property tax appeal starts with the Lake County Board of Review, then the Illinois Property Tax Appeal Board. This season's deadline has not been announced yet. Our forecast for Libertyville Township, Lake County Board of Review: Aug 31, 2027 – Oct 12, 2027 (not an official date).

Next deadline
Expected Aug 31, 2027 – Oct 12, 2027
Forecast, not an official date
Libertyville Township · Lake County Board of Review
Source: 35 ILCS 200/16-55 - Illinois Property Tax Code (ILGA; Wayback capture 2025-12-22)Last checked

Check a Libertyville 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.

Where to file first
Lake County Board of Review
Our coverage
Free check available
  • Independent guide — not affiliated with Libertyville, Lake County or any government agency.
Last updated
October 1, 2026
Sources last checked
October 4, 2026
Status
Verified guide

How we verify facts

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

Who hears a Libertyville Township appeal?

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

  1. Lake County Board of Review

    Filing: complaint

  2. Illinois Property Tax Appeal Board

    Filing: appeal

Which Libertyville Township filing windows are coming up?

Libertyville Township filing windows
ClosesAreaWho hears itStatus
Expected Aug 31, 2027 – Oct 12, 2027Libertyville TownshipLake County Board of Review · Official source · Last checked Sep 29, 2026Forecast, not an official date

When were past Libertyville Township deadlines?

Past Libertyville Township filing windows
Tax yearWindowOffice
2026Closed September 21, 2026Libertyville · Lake County Board of Review

When is the Libertyville appeal deadline?

Lake County Board of Review: Expected to close between August 31, 2027 and October 12, 2027 (predicted, not yet announced). We'll confirm it when the county posts it.

How do I file a property tax appeal in Libertyville?

Comparable grid: Libertyville Township's property data and comparable grids for appeals are at www.imslake.org, using the township assessor's current records.

FormsComparable grid
Libertyville Township's property data and comparable grids for appeals are at www.imslake.org, using the township assessor's current records.[1]

Who can answer questions about my assessment?

Hours: The Libertyville Township Assessor's office is open Monday to Friday, 8:30 a.m. to 4:30 p.m. Office: The Libertyville Township Assessor's office is at 359 Merrill Court, Libertyville, IL 60048; phone 847-362-5900.

ContactHours
The Libertyville Township Assessor's office is open Monday to Friday, 8:30 a.m. to 4:30 p.m.[1]
ContactOffice
The Libertyville Township Assessor's office is at 359 Merrill Court, Libertyville, IL 60048; phone 847-362-5900.[1]
ContactWebsite
The Libertyville Township Assessor's page is libertyvilletownship.us/about-us/assessor.[1]

Upcoming appeal deadlines in every county we track

What do Libertyville 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 Libertyville Township home assessments are spread

Assessed values of 18,075 homes in the property classes our free check covers (40), tax year 2025 final values. Half are between $89,050 and $214,181; the median is $143,804. The last bar holds everything above it.Source: Assessment records from the county's open data (tax year 2025 final values), retrieved Sep 27, 2026; our calculation.

Libertyville Township compared with other townships

  1. Shields$205,174
  2. Ela$179,129
  3. Cuba$176,950
  4. Vernon$157,997
  5. Libertyville$143,804
  6. Fremont$133,722
  7. Newport$117,566
  8. Warren$111,937
  9. Antioch$110,388

Ranked 7 of 17; showing the 9 nearest in rank.

Median assessed value by township: highest Moraine ($350,406), lowest Waukegan ($65,974).

Median assessed value of homes in the property classes our free check covers (40) for each township with at least 50 such homes, tax year 2025 final values.Source: Assessment records from the county's open data (tax year 2025 final values), retrieved Sep 27, 2026; our calculation.

How often is property reassessed in Libertyville?

2023 was Libertyville Township's quadrennial reassessment year, when all properties were reviewed or revalued.

Reassessment cycle
2023 was Libertyville Township's quadrennial reassessment year, when all properties were reviewed or revalued.[2]

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

Libertyville Township (Lake County) owners filed 842 assessment appeals in 2024, per the township assessor's report (tax year 2024). Libertyville Township has about 22,000 parcels (90% residential, 9% commercial/industrial, 534 exempt) and a total EAV of about $3.9 billion, per the assessor's April 2025 report.

Appeal count
Libertyville Township (Lake County) owners filed 842 assessment appeals in 2024, per the township assessor's report.[3] (latest published: tax year 2024)
Parcel count
Libertyville Township has about 22,000 parcels (90% residential, 9% commercial/industrial, 534 exempt) and a total EAV of about $3.9 billion, per the assessor's April 2025 report.[3]
Sales count
Libertyville Township (Lake County) recorded 926 sales in 2024, per the township assessor's report.[3] (latest published: tax year 2024)

Other places nearby

Illinois property tax appeals: all counties

Where do these facts come from?

  1. [1]Assessor - Libertyville TownshipOfficial guide or FAQ · last checked Oct 1, 2026
  2. [2]Libertyville Township Annual Town Meeting minutes, April 11, 2023 (PDF) - Assessor's ReportOfficial guide or FAQ · last checked Oct 1, 2026
  3. [3]Libertyville Township Annual Town Meeting minutes, April 8, 2025 (PDF) - Assessor's ReportOfficial guide or FAQ · last checked Oct 1, 2026
  4. [4]2026 Filing Deadlines and Decision Mailed Dates - Lake County Board of ReviewOfficial notice, form, calendar or rules · last checked Sep 28, 2026
  5. [5]35 ILCS 200/16-55 - Illinois Property Tax Code (ILGA; Wayback capture 2025-12-22)Statute or regulation · last checked Sep 24, 2026
  6. 6.County open data: lake assessmentsRetrieved Sep 27, 2026; aggregated by us for the charts above.
  7. 7.County open data: lake parcelsRetrieved Sep 27, 2026; aggregated by us for the charts above.
  8. 8.County open data: lake parcelsRetrieved Sep 27, 2026; aggregated by us for the charts above.

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