Cook County property tax
Niles Township property tax appeal guide
Niles Township filing window
Next window: the Assessor and Board of Review each open once a year; check your property now so you're ready.
Check your Niles property freeThe 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.
Recent home sales in Niles Township
From July 13, 2024 through July 13, 2026, the comparison pool contains 1,411 recorded single-family sales.
- Median sale price: $475,000
- Median sale price per square foot: $322
- Median building size: 1,408 square feet
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.
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.
Editorial guidance reviewed 2026-09-19. Filing dates are checked separately.