20 Massachusetts Ave.

20 Mass. Ave is one of DC’s major repositioning’s of a 50 year old building being completed in 2022. The existing building was completely renovated from top to bottom. Existing columns were strengthened and new shear walls added to support the multiple concrete frame floors being added to top and side of the building. Multiple slabs on metal deck, concrete slab infills and toppings slabs were also a part of the new construction. Multiple site improvements added to the buildings new look also.