Welcome to Mason Street Flats! Set in the heart of downtown, our pet-friendly Fort Collins apartments offer the ideal solution for those craving a balance between a love for the rustic outdoors and the sophistication of modern design. Life at Mason Street Flats means being able to take a hike at Horsetooth Reservoir, then going home to sink into stylish comfort. Our new studio, one, two, and three-bedroom floor plans were designed with comfort, character and functionality to let you do it all. Mason Street Flats includes high-speed internet, in-unit washers and dryers, stainless steel appliances, and two-story apartments. We can't wait to show you how great life can be here, so book a tour of our Fort Collins apartments today!