Cook County Class 7a Property Tax Incentive
Cook County reduces property tax assessments for small commercial projects to encourage new construction, substantial rehabilitation, or reoccupancy of abandoned commercial buildings.
Check an Address — Free Snapshot
Compare the geocoded point for a Chicago address with the boundary used to screen Cook County Class 7a Property Tax Incentive. A match is a location signal; review the current program source for the boundary's role and remaining criteria.
Published criteria — confirm with Cook County Assessor's Office
- Property must be in Cook County
- Commercial property — new construction, rehab, or reoccupancy
- Total project costs under $2 million
Cook County Class 7a Property Tax Incentive is administered at the county level. Depending on the program, eligibility may depend on the specific location, property type, or business activity rather than a single drawn boundary.
Boundaries are precise and change over time, so whether a specific address falls inside a mapped zone always depends on that exact address. The fastest way to check is to run a free snapshot for the parcel you have in mind — mapped coverage is a location signal, not an eligibility determination.
Range on file · 10% assessment (vs. 25%) for 10 years
Current published terms as of 2026-08-09
- +Property assessed at 10% (vs. standard 25%) for years 1-10
- +15% in year 11, 20% in year 12
- +12-year incentive period, renewable
- +Significant annual property tax savings
- 1Contact your alderman's office for a municipal support letter
- 2File application with the Cook County Assessor's Office
- 3Submit project plans and cost documentation
- 4Assessor reviews and approves classification
Call Cook County Assessor at (312) 443-7550
- Municipal resolution of support from alderman/city council
- Project plans and cost estimates (under $2M)
- Proof of property ownership
- Building permits or renovation plans
This page is a starting point, not eligibility, legal, or tax advice. Verify current requirements, deadlines, and boundaries with the administering agency before applying or spending money — program rules and funding change over time.
- Municipal resolution of support — Chicago City Council (or host municipality)
Required before Class 7a application can be approved.
- Cook County Assessor Incentive Filing — Cook County Assessor's Office
- Phone
- (312) 443-7550
- Web
- Visit site ↗
Last verified 2026-08-09
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