505/400 Massachusetts Ave NW

Washington DC 20001

780 sq. ft.

Condo

Last sold for $415,000

Sasha Mehra, last sold this property on 23 October 2026 after 28 days on market.

Overview

Spacious and well-appointed, this oversized 780-square-foot one-bedroom, one-bath condo at 400 Massachusetts Avenue offers an exceptional combination of space, functionality, and convenience, with deeded garage parking. The home features a rare, generously sized kitchen with abundant cabinetry, stainless-steel appliances, quartz countertops, and an eat-in breakfast bar. The kitchen opens to a dedicated dining area with room for a full-sized table and a living room, creating a comfortable layout for both everyday living and entertaining. The spacious bedroom features southern exposure, direct access to the dual-entry bathroom, and an expansive closet outfitted with an Elfa organization system. Engineered hardwood flooring, fresh designer paint, and contemporary lighting provide a polished, cohesive finish throughout the home. Additional features include a new in-unit washer and dryer, laundry storage, and a Nest thermostat. Residents of 400 Massachusetts Avenue enjoy a full suite of amenities, including a rooftop deck with sweeping Washington views, swimming pool, grilling and entertaining areas, fitness center, resident lounge with billiards, business center, and 24-hour concierge. The building also offers on-site management and a pet-friendly community. Located in the heart of Mount Vernon Triangle, the property is surrounded by restaurants, entertainment, and major destinations throughout the city. Popular eateries like Tatte, Love Makoto, and L’Ardente are close by, and Chinatown and Capital One Arena are just a short walk away. Capitol Hill and Georgetown University Law Center are also within easy reach, and two Metro stations are less than 10 minutes away on foot, as well as easy access to I-395 for travel in and out of the city. With a Walk Score of 98 and Transit Score of 100, this home offers convenient access to the best of downtown Washington while providing the space and amenities of a world-class condominium.

Features

1 bedroom

1 bathroom

1 carspace

1 garage space

780 sq. ft. floor area

Condo

Estimated Value

Based on this property and similar 1 bedroom condos sold in Washington over the last 12 months, the estimated median property value of 505/400 Massachusetts Ave NW is $414.5k.

Median value

$414.5k

Estimated value range

$89.9k - $750k

Median days on market

Estimated value trend

-9%

decrease over the last 12 months

Average days on market is based on recent, comparable sales in Washington. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.