When is the property tax appeal deadline for Calumet City 60409 in 2026?

ZIP 60409 is in Thornton Township. Thornton Township: file with the Cook County Assessor by November 23, 2026.

How many homes in 60409 are assessed too high?

Of 10,690 homes we checked, 3,476 (33%) come up assessed higher than similar homes nearby or above what similar homes sold for. The median estimated saving among them is about $660 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.

Calumet City 60409 property tax appeal 2026

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

Deadline

Thornton Township: file with the Cook County Assessor by November 23, 2026.(20 days left) Thornton filing guide

What the public records show

Homes checked: 10,690
May be assessed too high: 3,476 (33%)
Median estimated saving: $660 a year

Data as of November 1, 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 60409

Questions

When is the property tax appeal deadline for Calumet City 60409 in 2026?: ZIP 60409 is in Thornton Township. Thornton Township: file with the Cook County Assessor by November 23, 2026.
How many homes in 60409 are assessed too high?: Of 10,690 homes we checked, 3,476 (33%) come up assessed higher than similar homes nearby or above what similar homes sold for. The median estimated saving among them is about $660 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.