Appeals Window for Lemont Township Now Open

The Cook County Assessor's Office has opened the 2026 Property Tax Appeal window for Lemont Township, closing September 29, 2026.

Residents may file an appeal:

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• Online through the Lemont Township Assessor's Office

• Online directly with the Cook County Assessor's Office

• In-Person By appointment with the Lemont Township Assessor's Office (online or by calling 630‑257‑2522)

We encourage property owners to review their assessments and take advantage of the appeal period.

Click here to see more information: https://lemonttownship.org/departments/assessors-office/