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Mount Prospect pilotEdition 2026-08

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Canonical program record

Cook County Class 7c Property-Tax Incentive

Qualifying commercial new construction, rehabilitation, or reoccupation may receive a shorter reduced property assessment after required approvals.

What this mechanism does

Mechanism type
Property-tax classification
Economic effect
Recover value later
Administrator
Cook County Assessor's Office
Amount or value
Qualifying property is generally assessed at 10% for three years, 15% in year four, and 20% in year five.
Cash-flow timing
A later property-tax assessment effect, not a grant or construction advance.
Upfront cash
Required
Repayment
Not a repayable mechanism
Program lifecycle
Case-managed
Visitor treatment
Confirm this condition first

A case-managed administrator must confirm the current route and sequence.

Important dates and consequences

File Class 7c through the required sequence before project work or reoccupation

Date or rangeBefore construction, rehabilitation, or reoccupation

Beginning construction, rehabilitation, or reoccupation before the required filing and approvals may make the property ineligible.

Date last verified

Project fit and limits

Eligibility conditions to confirm

  • The commercial property and project must satisfy the Class 7c eligibility bulletin and local approval requirements.
  • The eligibility application must be filed before new construction, substantial rehabilitation, or reoccupation begins.

Eligible costs described by the authority

  • Qualifying commercial new construction, rehabilitation, and reoccupation projects

Ineligible or excluded costs

  • Projects begun before required filing or approval
  • Projects that do not meet Class 7c property and use requirements

Friction to plan for

  • File before construction, substantial rehabilitation, or reoccupation begins.
  • Local support, Assessor review, supporting documents, and filing fees apply.