IL HB4106

Amends the Illinois Income Tax Act Section 221 to extend tax credit eligibility for qualified historic property restoration and preservation projects in River Edge Redevelopment Zones.

Allows qualified taxpayers who begin construction on a qualified restoration or preservation project prior to December 31, 2026, to receive the 25% tax credit until the taxable year the project is completed or suspended.

Maintains existing credit structure: 25% of qualified expenditures for projects meeting minimum thresholds ($5,000 or more, exceeding adjusted basis of the structure).

Permits excess credits to be carried forward up to 5 taxable years following the year of the excess credit.

Requires Department of Natural Resources approval and certification by independent certified public accountant; establishes issuance fee up to 2% of credited amount for administration.