Dunham Township property tax appeal (McHenry County, IL)
2026 appeal deadline
30 days after each township's publication date — 2026 dates post as townships are published
Each McHenry County township's final filing deadline is 30 days after its assessments are published (in the Northwest Herald or Woodstock Independent). Deadlines run from summer through the end of the year, township by township.
Documents to gather
- Your assessment notice or the township's published assessed value for your parcel (PIN)
- The county's appeal/complaint form, completed and signed (filed online where the county requires e-filing)
- 3–5 comparable homes nearby with lower assessed values per square foot (PIN, address, size, assessed value)
- A recent appraisal or purchase closing statement, if you bought within about 3 years
- Photos of condition problems or errors on your property record (wrong square footage, bathrooms, basement)
How to file in Dunham Township
- 1
Watch for your township's publication
McHenry County publishes each township's assessments in the Northwest Herald or Woodstock Independent on its own schedule, from summer through December. Your 30-day window runs from publication.
- 2
Review your assessment notice
Check the value and your property's characteristics for errors before the window opens.
- 3
Talk to your township assessor
Many valuation questions can be resolved directly with the assessor without a formal appeal.
- 4
File with the Board of Review
Submit your appeal with evidence — recent comparable sales for market-value appeals, or similar assessments for uniformity appeals — before your township's final filing deadline.
- 5
Get the decision
The Board of Review decides and mails the result. You can appeal further to the Illinois Property Tax Appeal Board (PTAB).
Good to know
- Talking to the Dunham Township Assessor first is free and can fix simple record errors before you file.
- If the Board of Review denies you, you can appeal to the Illinois Property Tax Appeal Board (PTAB) within 30 days of the Board's written decision.
Sources
- McHenry County Assessments Office
- McHenry County Board of Review
- McHenry County Board of Review
- Illinois Property Tax Appeal Board (PTAB)
- Illinois Department of Revenue — property tax
Other McHenry County townships: Alden · Algonquin · Burton · Chemung · Coral · Dorr · Grafton · Greenwood · Hartland · Hebron · Marengo · McHenry · Nunda · Richmond · Riley · Seneca
NeighborComp is a private company, not affiliated with McHenry County or any government office. Dates come from official county sources; always confirm on the county site before filing.