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Northlake 60164 property tax appeal 2026

33% of homes here may be assessed higher than similar homes nearby.

Deadline

  • Leyden Township: the 2026 Cook County Assessor window closed on October 14, 2026. The next window has not been published yet. Leyden filing guide
  • Proviso Township: file with the Cook County Assessor by October 27, 2026.(5 days left) Proviso filing guide

What the public records show

Homes checked
5,868
May be assessed too high
1,915 (33%)
Median estimated saving
$548 a year

Data as of October 20, 2026. Source: Cook County Assessor open data (2026 assessed values, property characteristics and recorded sales), checked by Morganwell. Estimates from public records, not an appraisal and not a promise; the county decides every appeal. How the check works

Streets in 60164

Questions

When is the property tax appeal deadline for Northlake 60164 in 2026?
ZIP 60164 crosses Leyden Township and Proviso Township; your assessment notice names yours. Leyden Township: the 2026 Cook County Assessor window closed on October 14, 2026. The next window has not been published yet. Proviso Township: file with the Cook County Assessor by October 27, 2026.
How many homes in 60164 are assessed too high?
Of 5,868 homes we checked, 1,915 (33%) come up assessed higher than similar homes nearby or above what similar homes sold for. The median estimated saving among them is about $548 a year.
Do I need a lawyer to appeal?
No. Filing with the Cook County Assessor and the Board of Review is free and homeowners can file for themselves.

Morganwell is not a law firm and does not give legal advice. You file your own appeal. No outcome is guaranteed.