When is the property tax appeal deadline for Chicago 60618 in 2026?

ZIP 60618 crosses Jefferson Township and West Chicago Township; your assessment notice names yours. Jefferson Township: file with the Cook County Assessor by November 12, 2026. West Chicago Township: file with the Cook County Board of Review by November 6, 2026. Evidence is due by November 16, 2026.

How many homes in 60618 are assessed too high?

Of 15,002 homes we checked, 3,672 (24%) come up assessed higher than similar homes nearby or above what similar homes sold for. The median estimated saving among them is about $708 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.

Chicago 60618 property tax appeal 2026

Includes Avondale, Irving Park

24% of homes here may be assessed higher than similar homes nearby.

Deadline

Jefferson Township: file with the Cook County Assessor by November 12, 2026.(22 days left) Jefferson filing guide
West Chicago Township: file with the Cook County Board of Review by November 6, 2026. Evidence is due by November 16, 2026.(16 days left) West Chicago filing guide

What the public records show

Homes checked: 15,002
May be assessed too high: 3,672 (24%)
Median estimated saving: $708 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 60618

Questions

When is the property tax appeal deadline for Chicago 60618 in 2026?: ZIP 60618 crosses Jefferson Township and West Chicago Township; your assessment notice names yours. Jefferson Township: file with the Cook County Assessor by November 12, 2026. West Chicago Township: file with the Cook County Board of Review by November 6, 2026. Evidence is due by November 16, 2026.
How many homes in 60618 are assessed too high?: Of 15,002 homes we checked, 3,672 (24%) come up assessed higher than similar homes nearby or above what similar homes sold for. The median estimated saving among them is about $708 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.