Work Here

Mount Vernon Triangle (MVT) is a walkable, amenity-rich submarket adjacent to downtown Washington, DC. MVT currently has 1.7 million square feet of office space existing and under construction and is projected to offer a total of 2.8 million square feet of office space at build out, supporting an estimated 15,000+ office workers.

In 2015, the DC Bar chose a site at 901 4th Street for its new headquarters building. Local owners/developers The Wilkes Company and Quadrangle Development Corporation are underway on this important new office headquarters. At the 7th and K Street gateway to the Triangle are the American Association of Medical Colleges’ (AAMC) dramatic Shalom Baranes Architecture designed headquarters at 7th & Massachusetts Avenue and Arnold & Porter’s new trophy office building at 601 Massachusetts Avenue. Some of Washington’s most respected and accomplished developers have made an impact designing existing buildings within MVT.

Amenities for office workers include a Safeway, Ace Hardware, Vida Fitness, [solidcore] and Q-West Nail & Spa II as well as restaurants including Busboys & Poets, Alba Osteria, Alta Strada and Conosci, Silo, Le Pain Quotidien, A Baked Joint, Mandu, Chipotle, Sweetgreen, Philos, RPM Italian and more. MVT is steps from the DC Convention Center and Marriott Marquis, Capital One Arena, and CityCenterDC. Metrorail access is available via the Gallery Place/Chinatown, Mt. Vernon Square/Convention Center, Judiciary Square and Union Station Metrorail stations.

Explore our commercial office properties below or click to our interactive map to view leasing and development contact information.


111 Massachusetts Avenue, NW

Douglas Development
Key Tenant: Homeland Security
267,000 Square Feet Office

425 Eye Street, NW

425 Eye StreetParamount Group, Inc.
Key Tenant: Veterans Affairs
361,647 SF Office
26,353 SF Retail
View website


455 Massachusetts Avenue, NW

455 Massachusetts AvenueASB Real Estate Investments
230,872 SF Office
12,393 SF Retail
View website


601 Massachusetts Avenue, NW

Arnold & Porter - 601 Mass Avenue601 Massachusetts Avenue, NW
Key Tenant: Arnold & Porter
Boston Properties
460,500 SF Office
18,300 SF Retail

View website

Association of American Medical Colleges

655 K Street, NW
273,280 SF Office
14,346 SF Retail
View website


251 H Street, NW
The Wilkes Company & Quadrangle Development Corporation
100,000 SF Office
Developer Website

Federal Management Systems

Office: 6,072 SF
Owner: Federal Management Systems


300 K Street

300 K Street300 K Street, NW
The Wilkes Company and Quadrangle Development Corporation
233,079 Square Feet Office
12,700 Square Feet Retail
In the Pipeline

111 Massachusetts Avenue Expansion

Planned: 95,400 SF Office & Retail Expansion
Owner: Douglas Development

901 4th Street

901 4th StreetDC Bar Headquarters
901 4th Street, NW
The Wilkes Company & Quadrangle Development Corporation
103,000 Square Feet Office
7,734 Square Feet Retail
Under Construction

950 3rd Street, NW

The Wilkes Co. & Quadrangle Development Corp.
117,788 Square Feet Office

1001 6th Street

1001 6th Street1001 6th Street
Steuart Investments and Boston Properties
495,000 SF Office; 29,000 SF Retail
In the Pipeline