About Union Green Union Green opened in 2018, and since then has been synonymous with luxury apartment living here in Brownsburg. From roomy floor plans ranging from one bedrooms to two bedrooms, to a wide array of community amenities, we’ve built an unrivaled Brownsburg living space, and we hope you can be a part of it. Union Green is located just off of Main Street and S. Green St. and is mere minutes away from Arbuckle Acres Park and Natural Valley Ranch. With quick access to I-267, you’ll get the best of both worlds with your new place at Union Green–a convenient location alongside cozy surroundings. Union Green is Does Union Green look like somewhere you might see yourself living? Schedule a tour and take a look at what your new home can offer you.