Discover an Urban Oasis with Unbound Living...Crisp Detail...and Profound Happiness at Trostel Square! Trostel Square is a bold, urban, luxury apartment community located on the banks of the Milwaukee River. Just minutes away from the popular Brady Street and historic Third Ward neighborhoods, as well as downtown, Trostel offers every advantage to its residents. The distinctive design and detailing of Trostel Square are unmistakable urban. Our apartment homes highlight an abundance of windows and spacious balconies. Enjoy our on-site pavilion featuring a club-quality fitness center and resident business center. Our clubroom and private terrace are available for your next gathering with friends. Trostel Square offers the best apartment living experience for people who appreciate quality, convenience and service.