WI AB1090

Creates a refundable income tax credit for homeowners age 65 or older equal to the increase in property taxes on their principal dwelling compared to the previous year, effective for taxable years beginning after December 31, 2025

Claimants cannot also claim the school property tax credit, veterans and surviving spouses property tax credit, farmland preservation credit, or homestead credit for the same taxable year

Principal dwelling must be owned and used as the claimant's primary residence for the entire taxable year, with eligible property limited to the dwelling and surrounding land not exceeding one acre

Requires the Interagency Council on Homelessness to include specific strategies for preventing and ending homelessness among older adults in its statewide homelessness policy

Part-year residents and nonresidents are ineligible; only one credit per household per taxable year is allowed unless married persons file separate returns