New Design-Build Warehouse Project: 21225 Hamburg Avenue Properties, Lakeville, MN The team at Appro Development has completed a project at 21225 Hamburg Avenue Properties with a new design-build warehouse building project in Lakeville, Minnesota. This project is a 100 ft. long by 80  ft. wide single story pre-cast concrete warehouse building located in the Airlake Industrial Park. Airlake is the …