Yufan

There are houses in the gated area of riverside that have missing walls on the second floor. https://map.projectzomboid.com/#0.5662169523831097,0.10208065340587286,447.8682305040833 is one such house. The wall missing is a small section just above the front door, just 2-3 tiles worth. Could walk right out and fell down in front of the main entrance.