JT Klein Co. has yet to release details of the plan, but it will likely include a mix of affordable and senior housing along with retail and commercial space.
Corporations have long looked to lower their tax liability by purchasing federal low-income housing tax credits.
"Grandfamily" households are ones where where grandparents or extended family members are the primary caregivers.
Projects that would bring tens of millions in investment in the roughly five-block strip of South Park Street have struggled to come to fruition.
The body voted 6-2 to send a revised plan for a 95-unit apartment building to the City Council.
A member of the neighborhood steering committee on the project wants to see three-story buildings; the developer called that unfeasible financially.
Developer could remake most of a full city block near St. Mary's Hospital.
Middleton officials have struggled to find funding for a planned sculpture at one of the city's booming corridors.
Developer Jacob Klein is proposing a 95-unit building mostly set aside for low to moderate income tenants.