Welcome to Nicolai Apartments We have over thirty years of experience in constructing, developing, and managing multi-family property. Nicolai Apartments is a licensed general contractor in the state of Wisconsin. All Nicolai Apartment communities have been diligently chosen for location, proximity, and beauty. We continue to build a better building. Livability, comfort, and security are our goals. We have our own management team and maintenance staff, who are happy to serve you. Service is a high priority. We invite you to become one of our many satisfied residents.