306-308 4th St Monroe, WI 53566 MLS# 1851258 $752,500 40 unit apartments in city of Monroe. 16 - 1 bedroom and 24 - 2 bedroom units. Brick building. Newer blacktop driveways. Property in USDA - Rural Development low income housing program property. Must stay in program. 40 Units | Built in 1988 | Sold on Oct 03, 2022