Welcome to the "Red Door", offered for the first time in nearly 35 years! Located on picturesque R Street in the coveted Kalorama neighborhood, and featuring superb entertaining and private spaces-- all with lofty ceiling heights -- this embassy-scale, distinguished 1907 flat-front Federal townhouse also offers an ELEVATOR to ALL FOUR LEVELS! The main-level living room—one of the most beautiful in Washington—extends an impressive 35 feet and adjoins a handsome formal dining room, creating embassy-scale entertaining spaces with seamless access to a private, covered flagstone terrace. A skylit eat-in kitchen, sparkles with natural light and offers abundant storage, terrace access, and a convenient secondary staircase to the upper and lower level. Upstairs, five bedrooms plus a library provide exceptional flexibility, complemented by elevator service to all floors. The lower level includes a one-bedroom suite with both front and rear access, ideal for guests or staff. With nearby Metro, museums, Michelin-starred dining, and boutiques—and featuring three-car parking including a built-in garage—this timeless Kalorama residence truly has it all.