McHenry County · Illinois
Chemung Township property tax appeals
A Chemung 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 Chemung Township, McHenry County Board of Review: Jul 23, 2027 – Sep 3, 2027 (not an official date).
- Next deadline
- Expected Jul 23, 2027 – Sep 3, 2027
- Forecast, not an official date
- Chemung Township · McHenry County Board of Review
- Source: Filing a Complaint | McHenry County, IL (Wayback capture 2026-03-19)Last checked
Check a Chemung 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 Chemung, McHenry County or any government agency.
When and where do I file a Chemung Township property tax appeal?
Who hears a Chemung Township appeal?
The stages in order. We are not affiliated with any of these offices.
McHenry County Board of Review
Illinois Property Tax Appeal Board
Which Chemung Township filing windows are coming up?
| Closes | Area | Who hears it | Status |
|---|---|---|---|
| Expected Jul 23, 2027 – Sep 3, 2027 | Chemung Township | McHenry County Board of Review | Forecast, not an official date |
When were past Chemung Township deadlines?
| Tax year | Window | Office |
|---|---|---|
| 2026 | Closed August 13, 2026 | Chemung · McHenry County Board of Review |
When is the Chemung appeal deadline?
McHenry County Board of Review: Expected to close between July 23, 2027 and September 3, 2027 (predicted, not yet announced). We'll confirm it when the county posts it.
How do I file a property tax appeal in Chemung?
Chemung Township's assessor suggests discussing your assessment with the assessor first; appeal if you can still support that you are over-assessed.
- Informal review
- Chemung Township's assessor suggests discussing your assessment with the assessor first; appeal if you can still support that you are over-assessed.[1]
Who can answer questions about my assessment?
Address: Chemung Township's office address is 807 8th St. (P.O. Box 22), Harvard, IL 60033. Office: Phone the Chemung Township Assessor at 815-943-8456 or e-mail chemungassessor@gmail.com.
- ContactAddress
- Chemung Township's office address is 807 8th St. (P.O. Box 22), Harvard, IL 60033.[3]
- ContactOffice
- Phone the Chemung Township Assessor at 815-943-8456 or e-mail chemungassessor@gmail.com.[1]
- ContactWebsite
- The Chemung Township Assessor's page is chemungtownshipil.gov/assessor, with property record cards and sales information.[1]
What evidence counts in Chemung Township, and can the value go up?
What evidence can I use in Chemung?
Appraisals: Chemung Township accepts an appraisal by a certified appraiser valued as of January 1 of the current year, or within six months either side. Equity: Chemung Township owners can also appeal on equity: similar properties in the immediate area assessed lower; the owner carries the burden of evidence.
- Evidence acceptedAppraisals
- Chemung Township accepts an appraisal by a certified appraiser valued as of January 1 of the current year, or within six months either side.[1]
- Evidence acceptedEquity
- Chemung Township owners can also appeal on equity: similar properties in the immediate area assessed lower; the owner carries the burden of evidence.[1]
- Evidence ruleComparables
- For market-value appeals, Chemung Township's assessor recommends at least three comparable sales, ideally sold between July of the prior year and June of the current year.[1]
What do Chemung 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 Chemung Township home assessments are spread
Chemung Township compared with other townships
- Algonquin$101,235
- Nunda$97,316
- Dorr$96,579
- Greenwood$83,828
- Mchenry$82,223
- Hebron$77,177
- Marengo$73,615
- Dunham$69,667
- Chemung$65,291
Ranked 17 of 17; showing the 9 nearest in rank.
Median assessed value by township: highest Coral ($128,748), lowest Chemung ($65,291).
How often is property reassessed in Chemung?
Chemung Township property is valued and assessed as of January 1 of the tax year, at one-third of market value.
- Valuation date
- Chemung Township property is valued and assessed as of January 1 of the tax year, at one-third of market value.[1]
What do home values and property taxes look like in Chemung?
Chemung Township (McHenry County) parcel numbers (PINs) begin with 01.
- Parcel number (PIN) prefix
- Chemung Township (McHenry County) parcel numbers (PINs) begin with 01.[2]
Other places nearby
- Alden TownshipFree check available
- Coral TownshipFree check available
- Dorr TownshipFree check available
- Grafton TownshipFree check available
Where do these facts come from?
- [1]Chemung Township - Township AssessorOfficial guide or FAQ · last checked Oct 1, 2026
- [2]Township Assessors in McHenry County – Dorr TownshipOfficial guide or FAQ · last checked Oct 1, 2026
- [3]Chemung Township - Contact UsOfficial guide or FAQ · last checked Oct 1, 2026
- [4]2026 Township Filing Deadlines - McHenry County Board of ReviewOfficial notice, form, calendar or rules · last checked Sep 28, 2026
- [5]Filing a Complaint | McHenry County, IL (Wayback capture 2026-03-19)Official notice, form, calendar or rules · last checked Sep 25, 2026
- 6.County open data: mchenry assessmentsRetrieved Sep 27, 2026; aggregated by us for the charts above.
- 7.County open data: mchenry assessmentsRetrieved Sep 27, 2026; aggregated by us for the charts above.
- 8.County open data: mchenry parcelsRetrieved Sep 27, 2026; aggregated by us for the charts above.
Not affiliated with Chemung Township or any government agency. Not legal advice. Not an appraisal.