CSIM
Incentive Program

Cook County Class 8a MICRO (Semiconductor)

County10% assessment for 10 years (stacks with state MICRO + federal §48D)
What it is

Class 8 variant calibrated for semiconductor and microchip manufacturing investments. Connects to the State of Illinois MICRO program and federal CHIPS Act incentives.

Start with an address

Check an Address — Free Snapshot

See whether a specific Chicago address sits inside the area that unlocks Cook County Class 8a MICRO (Semiconductor), alongside every other incentive that touches that parcel.

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Who it's for

Semiconductor, microchip, or related supply-chain manufacturers investing in Cook County. Coordinates with state MICRO and federal §48D credits.

Where it applies

Cook County Class 8a MICRO (Semiconductor) 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.

What it can support

Typical range · 10% assessment for 10 years (stacks with state MICRO + federal §48D)

  • +10% assessment for 10 years (vs. 25%)
  • +Stacks effectively with state MICRO credit and federal §48D ITC
  • +Designed to support advanced manufacturing investments
How to apply
  1. 1Coordinate with the Cook County Assessor and DCEO MICRO team early
  2. 2Obtain municipal resolution
  3. 3File Class 8a application with semiconductor industry documentation
Fastest first move

Call Assessor Incentives at (312) 603-7529 to scope 8a MICRO

What you'll need
  • Municipal resolution
  • Semiconductor manufacturing NAICS documentation
  • Investment plan and equipment schedule
What to verify

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.

Official source & contacts
Official program source ↗
Cook County Assessor's Office — Incentives (CCAO)

Last verified 2026-05-21

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Check an Address — Free Snapshot

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