Cook County Class 7b Commercial Property Tax Incentive
Same 12-year reduced assessment as 7a but for commercial projects with total costs over $2 million, in areas in need of commercial development.
Check an Address — Free Snapshot
See whether a specific Chicago address sits inside the area that unlocks Cook County Class 7b Commercial Property Tax Incentive, alongside every other incentive that touches that parcel.
Commercial property owners or developers undertaking new construction, substantial rehab, or reoccupancy in areas determined to need commercial development. Total project cost must exceed $2 million.
Cook County Class 7b Commercial 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 exact eligibility always depends on the specific address. The fastest way to know is to run a free snapshot for the parcel you have in mind.
Typical range · 10% assessment for 10 years, then 15% / 20%
- +10% assessment years 1-10 (vs. 25%)
- +15% year 11, 20% year 12
- +Renewable for additional terms
- +Typically used for large mixed-use, retail center, or commercial redevelopment projects
- 1Secure a municipal resolution finding the area is in need of commercial development
- 2File Class 7b Eligibility Application with the Assessor before commencement
- 3Document that the project would not be economically feasible without the incentive ('but-for' finding)
- 4File final Incentive Application post-completion
Call Assessor Incentives at (312) 603-7529 to scope 7b qualification
- Municipal resolution with 'area in need' and 'but-for' findings
- Project pro forma demonstrating need for the incentive
- Construction budgets exceeding $2M
- Plans, permits, and cost certifications
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 + 'but-for' finding — Chicago City Council (or host municipality)
- Cook County Assessor Incentive Filing — Cook County Assessor's Office
- Phone
- (312) 603-7529
- Web
- Visit site ↗
Last verified 2026-05-21
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