Diamond Rail Apartments is an 80-unit multifamily affordable housing development, with 55 units restricted to households earning up to 50% of the area median income (AMI), in a middle-income neighborhood near public transit. The project is unique as a net-zero energy building, fully offsetting energy use through partnership with Rocky Mountain Power\\\'s solar program without added costs, and includes 1,350 square feet of commercial space for a local restaurant or coffee shop to address community food needs. Amenities feature a six-story structure with ground-level parking, studio to three-bedroom units, and open designs shared to promote eco-friendly developments.