455 I St. NW is a three-story brick 1880’s rowhouse. It and the surrounding properties, from 443 to 459 I St., is scheduled to become a 172-unit apartment building plus retail space, by Equity Residential. This rowhouse, and the adjacent one, are remaining as part of the apartment complex as approved by the D.C. Historic Preservation Review Board, with the residential towers behind them. See also 453 I St. and 459 I St.