McHenry County · Illinois
Grafton Township property tax appeals
A Grafton 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 Grafton Township, McHenry County Board of Review: Aug 13, 2027 – Sep 24, 2027 (not an official date).
- Next deadline
- Expected Aug 13, 2027 – Sep 24, 2027
- Forecast, not an official date
- Grafton Township · McHenry County Board of Review
- Source: Filing a Complaint | McHenry County, IL (Wayback capture 2026-03-19)Last checked
Check a Grafton 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 Grafton, McHenry County or any government agency.
When and where do I file a Grafton Township property tax appeal?
Who hears a Grafton 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 Grafton Township filing windows are coming up?
| Closes | Area | Who hears it | Status |
|---|---|---|---|
| Expected Aug 13, 2027 – Sep 24, 2027 | Grafton Township | McHenry County Board of Review | Forecast, not an official date |
When were past Grafton Township deadlines?
| Tax year | Window | Office |
|---|---|---|
| 2026 | Closed September 3, 2026 | Grafton · McHenry County Board of Review |
When is the Grafton appeal deadline?
McHenry County Board of Review: Expected to close between August 13, 2027 and September 24, 2027 (predicted, not yet announced). We'll confirm it when the county posts it.
- Deadline detailNotices
- From 2026, Grafton Township notices are mailed only for revaluations, farmland and new properties; others are online at mchenryil.devnetwedge.com.[1]
Who can answer questions about my assessment?
Address: The Grafton Township Assessor's office address is 10109 Vine St., Unit C, Huntley, IL 60142. Hours: The Grafton Township Assessor's office is open Monday to Friday, 7:30 a.m. to 3:30 p.m.; call for an appointment.
- ContactAddress
- The Grafton Township Assessor's office address is 10109 Vine St., Unit C, Huntley, IL 60142.[3]
- ContactHours
- The Grafton Township Assessor's office is open Monday to Friday, 7:30 a.m. to 3:30 p.m.; call for an appointment.[3]
- ContactOffice
- Phone the Grafton Township Assessor's office at (847) 669-3383 or e-mail assessor@graftontownship.us.[3]
- ContactWebsite
- The Grafton Township Assessor's pages are at graftontownship.us (Assessor section).[3]
What do Grafton 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 Grafton Township home assessments are spread
Grafton Township compared with other townships
- Richmond$126,770
- Burton$125,615
- Seneca$123,525
- Hartland$120,335
- Grafton$118,304
- Riley$111,189
- Alden$101,488
- Algonquin$101,235
- Nunda$97,316
Ranked 6 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 Grafton?
Grafton Township has a general reassessment every four years, with ongoing reviews in between. Grafton Township's 2026 values are as of January 1, 2026, based on sales from 2023, 2024 and 2025.
What do home values and property taxes look like in Grafton?
Grafton Township (McHenry County) parcel numbers (PINs) begin with 18.
- Parcel number (PIN) prefix
- Grafton Township (McHenry County) parcel numbers (PINs) begin with 18.[2]
Other places nearby
- Chemung TownshipFree check available
- Coral TownshipFree check available
- Dorr TownshipFree check available
- Greenwood TownshipFree check available
- Hartland TownshipFree check available
- McHenry TownshipFree check available
Where do these facts come from?
- [1]Grafton Township > Assessor > Assessment InformationOfficial 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]Grafton Township > AssessorOfficial 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 Grafton Township or any government agency. Not legal advice. Not an appraisal.