RELIGIOUS PORTFOLIO ST. Mary of the immaculate Conception Portage, WI Overview ARCHITECT River Architects Square Footage 17,600 ST. MARY OF THE IMMACULATE CONCEPTION Addition & Renovation Originally built in 1858, St. Mary of the Immaculate Conception in historic Portage, Wisconsin, needed significant upgrades to keep up with the growing parish. After a facilities study, the … Continue reading St. Mary of the Immaculate Conception Addition & Renovation