Cook County property tax
Niles Township property tax appeal guide
Your township: Niles
Cook County Assessor
Deadline: December 3, 2026 · 24 days remaining Official Cook County Assessor source ↗
Board of Review
Current dates are not verified here. Check the official source. Official Board of Review source ↗
Niles Township's Assessor appeal window is open now through December 3, 2026.
File with the Cook County Assessor · $0 filing fee ↗Latest published calendar source date: November 6, 2026.
When were the calendar records checked?
- Cook County Assessor: last retrieved .
- Board of Review: last retrieved . Dates are unverified; confirm with the official source.
These are separate source retrievals, not editorial reviews or a guarantee that filing is open. A published source date can be older than its retrieval date. Missing dates do not mean there is no deadline.
The area of Niles Township extends beyond the village bearing the same name, and Cook County applies the assessment calendar by township rather than by the municipality in a mailing address. Niles was reassessed with the North Triad for 2025 and is next scheduled for reassessment in 2028. Even in non-reassessment years, the Board of Review opens a window for the township annually.
Cities and villages in Niles Township
Property addresses in Niles Township most often list these cities:
- Skokie — 14,443 single-family parcels (51% of this township's single-family parcels)
- Morton Grove — 5,744 single-family parcels (20% of this township's single-family parcels)
- Lincolnwood — 3,990 single-family parcels (14% of this township's single-family parcels)
- Niles — 2,073 single-family parcels (7% of this township's single-family parcels)
- Evanston — 1,459 single-family parcels (5% of this township's single-family parcels)
- Glenview — 537 single-family parcels (2% of this township's single-family parcels)
A city can span more than one township, so confirm your township on your assessment notice or the Cook County Assessor's site.
Recent home sales in Niles Township
From August 11, 2024 through August 11, 2026, the comparison pool contains 1,198 recorded single-family sales.
- Median sale price: $475,000
- Middle-half sale price range (25th–75th percentile): $401,090–$599,000
- Median sale price per square foot: $334
- Median building size: 1,400 square feet
- Median year built: 1955
These are recorded single-family sales used as comparison evidence, not an estimate of any home's value.
Evidence to review
- Compare a split-level with other split-levels and a ranch with other ranches before refining the set by age, above-grade area, and lot characteristics.
- Look for additions, converted space, or a finished basement that makes a nearby house larger or more functional than its original model suggests.
- Review the recorded bathroom count and basement finish for consistency across the subject and every candidate sale.
- Stay within the same assessment neighborhood and identify busy-road or commercial-adjacency differences that may affect comparability.
To check property facts on the county map, follow our CookViewer property comparison walkthrough. Keep assessment values separate from recorded sale prices.
Official sources
Cook County Assessor calendar · Cook County Board of Review appeals
You file directly with Cook County for free. We provide optional research, not representation or guaranteed savings.
Other North Triad townships
Related guides
- Cook County property tax appeal evidence checklist — Organize records, sales comparisons, photos, and submission confirmations with a printable preparation checklist.
- How much could a Cook County property tax appeal save? — Work through an illustrative tax calculation and understand why an assessment reduction is different from a tax saving.
- Wrong square footage on your Cook County assessment? — Verify property measurements, document a record error, and prepare a correction request with an evidence checklist.
- Why are my neighbor’s property taxes lower in Cook County? — Separate assessments from exemptions, compare similar homes, and work through a neighbor comparison before appealing.
- Cook County property tax appeal after buying a home — Assessment higher than your purchase price? Compare the figures, gather closing documents, and check your appeal window.
- How to use CookViewer to compare Cook County properties — Find the official map, compare property facts, and keep assessment figures separate from recorded sale prices.
- Why did my Cook County property tax bill go up? — Work through annual totals, assessment changes, exemptions, and tax rates before choosing your next step.
- How to read your Cook County assessment notice — Understand the numbers, verify your property facts, and turn your notice into an evidence checklist.
- Missed your Cook County property tax appeal deadline? — Find out which window closed, check the other appeal office, and prepare for what comes next.
- Assessor appeal vs Board of Review appeal — Understand the two appeal offices, their separate calendars, and the evidence each reviews.
- How to find comparable sales — Review a hypothetical sales comparison and print a blank research worksheet.
- How to appeal without a lawyer — Gather evidence, check your township window, and file directly with Cook County.
- Cook County property tax exemptions: are you missing one? — Check which exemptions apply, renew automatically, or need annual filing.
- What happens after a Board of Review appeal? — Understand PTAB's role after a Board of Review decision and its filing instructions.
- How to find your Cook County PIN — Find your 14-digit PIN on county records and use it for filings and research.
- Cook County property tax appeal research guide — See how property records and comparable sales can support an assessment appeal.
Guide revision dates describe changes to this guidance. County calendar retrievals are shown separately above; confirm filing dates with the office receiving your appeal.