Closing Soon · Cook County Assessor · Deadline: October 29, 2026
Lake Township 2026 Property Tax Appeal Evidence Packet
Lake Township closes at the Cook County Assessor on October 29, 2026. Homeowners across Southwest and South Side Chicago neighborhoods should submit their uniformity comparable PINs before the October 29 deadline.
Filing Agency Cook County Assessor
Appeal Filing Deadline October 29, 2026
Supporting Evidence Due October 29, 2026
Assessor Township Code Code 72 (City of Chicago)
Communities & Neighborhoods Covered in Lake Township
How Lake Township Homeowners Win Assessment Reductions
When reviewing a residential appeal in Lake Township, analysts at the Cook County Assessor evaluate two primary statutory grounds:
- Lack of Uniformity: Comparing your home's Building Assessed Value per square foot ($/sq ft) against 3 to 6 similar properties in the exact same Assessor Neighborhood Code and Property Class (e.g., Class 2-03 one-story, Class 2-04 larger one-story, Class 2-05/2-06/2-07 two-story, Class 2-11 two-to-six flat, or Class 2-95 townhome).
- Overvaluation (Recent Comparable Sales): Demonstrating that recent arm's-length residential sales in your neighborhood support a lower fair market value than the Assessor's implied valuation.
With Lake Township's typical composite tax rate of approximately 6.69% and the Cook County state equalization factor of 3.0355, every $5,000 reduction in Assessed Value lowers your annual property tax bill by roughly $1,015/year.