Located on North Capitol Street, the development is bringing back to life a national treasure with a heritage dedicated to the health and wellness of the District. The project, which is being developed by Trammell Crow Company, marketed and leased by Cushman and Wakefield, and being designed by Shalom Baranes Associates, delivers beginning in Q4 2025 and will completely change the landscape of healthcare in the nation’s capital with nearly one million square feet of medical and life sciences space.
The McMillan project is a large, mixed-use development in the heart of Washington, DC. It sits directly north of the U.S. Capitol building on the site of a former slow sand filtration plant. Nearly one million square feet of health and life sciences facilities will be built, in addition to 146 town homes and over 500 apartment residences.
The McMillan Center for Health & Research is adding much-needed capacity to the region’s healthcare infrastructure with the development of nearly one million square feet of healthcare office and life sciences space.
The development is situated on the former McMillan Slow Sand Filtration Site. For over 80 years, until the 1980s, this site was responsible for providing clean drinking water to the residents of Washington, DC.