Cook County reassesses one district each year, and 2026 is the reassessment year for the South District. If you own property in one of the reassessed townships, you’ll receive a new reassessment notice this year.

Which Townships Are Being Reassessed?

The South District includes 17 of Cook County’s 38 townships:

Berwyn, Bloom, Bremen, Calumet, Cicero, Lemont, Lyons, Oak Park, Orland, Palos, Proviso, Rich, River Forest, Riverside, Stickney, Thornton, and Worth.

All properties in these townships will be reassessed in 2026.
Continue reading →