Build your assessment appeal
About the analysis and published appeal outcomes
Winnetka self-filed appeals in the published Board of Review records win 71% of the time; represented filings win 54%. This builder assembles a computed uniformity analysis, a comparable exhibit, and a filing-ready evidence brief from the county's public records.
Free comparison · public record340 Walnut St · full record
Assessed 23% above comparable homes nearby. If it were assessed at the comparable median, its estimated tax would be about $3,300 a year lower.
Last appeal on file was for tax year 2019; no later filing appears in this release.
Vs. comparable median
+23%
Est. tax at stake / yr
about $3,300
Comparable homes
167 · above 95%
167 R-2 homes built 1900–19 in assessor neighborhood 23022: comparable median $46.50 per sq ft of assessed value; this parcel $57.10. Tax at stake is an estimate from the parcel’s effective rate, rounded to the hundred — not a bill.
- 71%
- of decided self-filed appeals at the Board of Review win a reduction
- ~$11,600
- average assessed-value reduction when a self-filed appeal succeeds
- 6.9 vs 2.5
- filings per parcel, represented vs. self-filed
- 2 venues
- Assessor and Board of Review — each reviews an appeal independently, every cycle
Figures cover Winnetka residential parcels in the county’s published Board of Review decisions through June 9, 2026. Past outcomes do not predict an individual appeal.
Appeal-window updates
Follow changes to a township’s reviewed Board of Review calendar, including its opening and closing-soon status. Always verify filing dates with the Board; these periodic checks are not a filing guarantee.
Township boundaries differ from municipal boundaries. Confirm the township on your parcel before following.