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McHenry County · Illinois

Dorr Township property tax appeals

A Dorr Township property tax appeal starts with the McHenry County Board of Review, then the Illinois Property Tax Appeal Board. This season's deadline has not been announced yet. Our forecast for Dorr Township, McHenry County Board of Review: Aug 8, 2027 – Nov 3, 2027 (not an official date).

Next deadline
Expected Aug 8, 2027 – Nov 3, 2027
Forecast, not an official date
Dorr Township · McHenry County Board of Review
Source: Filing a Complaint | McHenry County, IL (Wayback capture 2026-03-19)Last checked

Check a Dorr 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 McHenry CountyEvery appeal date in McHenry County

Where to file first
McHenry County Board of Review
Our coverage
Free check available
  • Independent guide — not affiliated with Dorr, McHenry 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 Dorr Township property tax appeal?

Who hears a Dorr Township appeal?

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

  1. McHenry County Board of Review

    Filing: complaint

    Official site

  2. Illinois Property Tax Appeal Board

    Filing: appeal

    Official site

Which Dorr Township filing windows are coming up?

Dorr Township filing windows
ClosesAreaWho hears itStatus
Expected Aug 8, 2027 – Nov 3, 2027Dorr TownshipMcHenry County Board of Review · Official source · Last checked Oct 3, 2026Forecast, not an official date

When were past Dorr Township deadlines?

Past Dorr Township filing windows
Tax yearWindowOffice
2026Closed August 21, 2026Dorr · McHenry County Board of Review
2025Closed August 8, 2025Dorr · McHenry County Board of Review
2024Closed August 23, 2024Dorr · McHenry County Board of Review
2023Closed November 3, 2023Dorr · McHenry County Board of Review

When is the Dorr appeal deadline?

McHenry County Board of Review: Expected around August 2027 (between August 8, 2027 and November 3, 2027), based on past deadlines for tax years 2023, 2024, 2025 and 2026 (predicted, not yet announced). We'll confirm it when the county posts it.

How do I file a property tax appeal in Dorr?

Sales list: For 2026 appeals, the Dorr Township Assessor's office posts a list of township sales from January 1, 2025 to July 1, 2026 to help owners pick comparables.

FormsSales list
For 2026 appeals, the Dorr Township Assessor's office posts a list of township sales from January 1, 2025 to July 1, 2026 to help owners pick comparables.[1]

Who can answer questions about my assessment?

Hours: The Dorr Township Assessment Office is open for walk-ins and calls Monday to Friday, 9 a.m. to noon and 1 to 4 p.m. Office: The Dorr Township Assessment Office is at 1039 Lake Avenue, Woodstock, IL 60098; phone 815-338-0125, e-mail assessor@dorrtownship.com.

ContactHours
The Dorr Township Assessment Office is open for walk-ins and calls Monday to Friday, 9 a.m. to noon and 1 to 4 p.m.[5]
ContactOffice
The Dorr Township Assessment Office is at 1039 Lake Avenue, Woodstock, IL 60098; phone 815-338-0125, e-mail assessor@dorrtownship.com.[5]
ContactWebsite
The Dorr Township Assessor's pages are at dorrtownship.com/assessor/.[6]

Upcoming appeal deadlines in every county we track

What evidence counts in Dorr Township, and can the value go up?

What evidence can I use in Dorr?

Comparables: Dorr Township's assessor advises choosing three to four similar comparable sales, as close to January 1 as possible.

Evidence ruleComparables
Dorr Township's assessor advises choosing three to four similar comparable sales, as close to January 1 as possible.[1]

What do Dorr 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 Dorr Township home assessments are spread

Assessed values of 6,615 homes in the property classes our free check covers (0040), tax year 2024 final values. Half are between $69,875 and $127,016; the median is $96,579. The last bar holds everything above it.Source: Assessment records from the county's open data (tax year 2024 final values), retrieved Sep 27, 2026; our calculation.

Dorr Township compared with other townships

  1. Riley$111,189
  2. Alden$101,488
  3. Algonquin$101,235
  4. Nunda$97,316
  5. Dorr$96,579
  6. Greenwood$83,828
  7. Mchenry$82,223
  8. Hebron$77,177
  9. Marengo$73,615

Ranked 11 of 17; showing the 9 nearest in rank.

Median assessed value by township: highest Coral ($128,748), lowest Chemung ($65,291).

Median assessed value of homes in the property classes our free check covers (0040) for each township with at least 50 such homes, tax year 2024 final values.Source: Assessment records from the county's open data (tax year 2024 final values), retrieved Sep 27, 2026; our calculation.

How often is property reassessed in Dorr?

2023 was a quadrennial (general reassessment) year in Dorr Township.

Reassessment cycle
2023 was a quadrennial (general reassessment) year in Dorr Township.[2]

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

Dorr Township had 60 Board of Review appeals for 2025 (hearing and non-hearing) (tax year 2025). Dorr Township (McHenry County) parcel numbers (PINs) begin with 13.

Appeal count
Dorr Township had 60 Board of Review appeals for 2025 (hearing and non-hearing).[3] (latest published: tax year 2025)
Parcel number (PIN) prefix
Dorr Township (McHenry County) parcel numbers (PINs) begin with 13.[4]

Other places nearby

Illinois property tax appeals: all counties

Where do these facts come from?

  1. [1]Information on Appeals – Dorr TownshipOfficial guide or FAQ · last checked Oct 1, 2026
  2. [2]Dorr Township Annual Town Meeting minutes, April 9, 2024 (PDF) - Assessor's reportOfficial guide or FAQ · last checked Oct 1, 2026
  3. [3]Dorr Township Board minutes, November 13, 2025 (PDF)Official guide or FAQ · last checked Oct 1, 2026
  4. [4]Township Assessors in McHenry County – Dorr TownshipOfficial guide or FAQ · last checked Oct 1, 2026
  5. [5]Contact – Dorr TownshipOfficial guide or FAQ · last checked Oct 1, 2026
  6. [6]Assessor – Dorr TownshipOfficial guide or FAQ · last checked Oct 1, 2026
  7. [7]2026 Township Filing Deadlines - McHenry County Board of ReviewOfficial notice, form, calendar or rules · last checked Sep 28, 2026
  8. [8]Filing a Complaint | McHenry County, IL (Wayback capture 2026-03-19)Official notice, form, calendar or rules · last checked Sep 25, 2026
  9. [9]Dorr Township Board minutes, November 9, 2023 (PDF)Official guide or FAQ · last checked Oct 1, 2026
  10. [10]Dorr Township Board minutes, August 13, 2024 (PDF)Official guide or FAQ · last checked Oct 1, 2026
  11. [11]Dorr Township Board minutes, August 12, 2025 (PDF)Official guide or FAQ · last checked Oct 1, 2026
  12. 12.County open data: mchenry assessmentsRetrieved Sep 27, 2026; aggregated by us for the charts above.
  13. 13.County open data: mchenry assessmentsRetrieved Sep 27, 2026; aggregated by us for the charts above.
  14. 14.County open data: mchenry parcelsRetrieved Sep 27, 2026; aggregated by us for the charts above.

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

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