welcome to the new downtown

THE PLACE TO BE

Access. Flexibility. Walkability. Mount Vernon Place, in the heart of Mount Vernon Triangle, has everything your organization requires in a new headquarters location, including trophy-quality design, customizable office space, and the unmatched energy of downtown Washington, DC. With neighbors including Arnold & Porter, Georgetown University Law School, Venable, and the Association of American Medical Colleges, as well as dynamic retail and luxury living throughout the neighborhood, Mount Vernon Place is an unparalleled place to grow your business.

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901 Fourth

This ten-story trophy office building designed by Hartman-Cox offers an extraordinary opportunity to create a contemporary elegant space for your new headquarters. Transform your future with generous column spacing, flexible layouts, high ceilings, first-class amenities and high-end finishes on a prominent corner at the intersection of 4th and I Streets, NW.

300 K

Perfectly positioned on Washington, DC’s most powerful street, this eleven-story 275,000 square foot building boasts stunning design, flexible floor plates, floor-to-ceiling glass and first-class amenities.

Mount Vernon Place is in the heart of Mount Vernon Triangle surrounded by shops, restaurants, entertainment, Metro stations, the downtown DC Circulator bus and the future K Street streetcar. According to Walkscore.com, 901 4th Street, NW has a Walk Score of 98 out of 100 and a Transit Score of 100 out 100, making the location a walker’s and rider’s paradise.

In addition, proximity to Massachusetts Avenue, New York Avenue, and I-395 provides easy access to Reagan National Airport and the entire Washington Metropolitan Area. The new downtown is vibrant, growing, connected—and ready for your new headquarters.

site plan

Mount Vernon Place is in the heart of Mount Vernon Triangle surrounded by shops, restaurants, entertainment, Metro stations, the downtown DC Circulator bus and the future K Street streetcar. According to Walkscore.com, 901 4th Street, NW has a Walk Score of 98 out of 100 and a Transit Score of 100 out 100, making the location a walker’s and rider’s paradise.

In addition, proximity to Massachusetts Avenue, New York Avenue, and I-395 provides easy access to Reagan National Airport and the entire Washington Metropolitan Area. The new downtown is vibrant, growing, connected—and ready for your new headquarters.

our team

Our Team

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    Quadrangle Development Corporation

    Quadrangle Development Corporation is one of Washington's largest and most successful full-service commercial real estate companies.  For over forty years, Quadrangle’s business focus has been the development, acquisition, ownership and operation of investment-grade office, hotel, mixed-use and multi-family properties in Washington D.C., Virginia, and Maryland.  The company is particularly proud of its “top-drawer” reputation with partners, lenders and tenants, and for the quality of its properties, which have won numerous awards.

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    The Wilkes Company

    Founded in 1982, The Wilkes Company is a real estate development and property management firm based in Washington, DC, specializing in commercial, multi-family and industrial development. While focused on urban mixed-use development, the company’s projects have also involved innovative adaptive reuse and historic preservation projects. In addition to its partnership with Quadrangle in the development of Mount Vernon Place, The Wilkes Company is now actively pursuing entitlements for a major mixed-use development near the NoMa/Gallaudet Metro Station in NoMa.

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    Sasaki Associates

    Sasaki Associates’ internationally recognized practice includes architecture, interior design, planning, urban design, landscape architecture, graphic design, and civil engineering, as well as financial planning and software development. From its headquarters in Watertown, Massachusetts, the firm works in a variety of settings—locally, nationally, and globally.

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    Hartman Cox

    Established in 1965, Hartman-Cox is a Washington, DC based architecture firm that, since its inception, has produced award-winning, imaginative and responsible design for private, institutional, educational and civic clients. Hartman-Cox is particularly noted for its sensitivity and responsiveness to site and context, as well as its stylistic flexibility, which results in buildings that are appropriate to their surroundings and maximize their functionality. The firm has won over 140 design awards, including six American Institute of Architects Honor Awards, the Louis Sullivan Award for Architecture, the 2006 Arthur Ross Award for Architecture and, most notably, the American Institute of Architects Architectural Firm Award, the highest award bestowed by the American Institute of Architects.

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    Meany & Oliver Companies

    Meany & Oliver Companies, Inc. is one of the leading privately-held commercial real estate firms in the Washington, D.C. metropolitan area. Its primary goal is to help clients (i) maximize the value of their commercial real estate assets and (ii) achieve extraordinary operating results. Meany & Oliver’s breadth of knowledge and depth of expertise enable it to provide clients with a broad range of services including: landlord and tenant representation, consulting, investment services and marketing.  The array of services goes beyond simple acquisition and disposition of space. The firm has consistently helped both private and public sector clients plan and achieve their long-term strategic goals.

  • Quadrangle Development Corporation is one of Washington's largest and most successful full-service commercial real estate companies.  For over forty years, Quadrangle’s business focus has been the development, acquisition, ownership and operation of investment-grade office, hotel, mixed-use and multi-family properties in Washington D.C., Virginia, and Maryland.  The company is particularly proud of its “top-drawer” reputation with partners, lenders and tenants, and for the quality of its properties, which have won numerous awards.

  • Founded in 1982, The Wilkes Company is a real estate development and property management firm based in Washington, DC, specializing in commercial, multi-family and industrial development. While focused on urban mixed-use development, the company’s projects have also involved innovative adaptive reuse and historic preservation projects. In addition to its partnership with Quadrangle in the development of Mount Vernon Place, The Wilkes Company is now actively pursuing entitlements for a major mixed-use development near the NoMa/Gallaudet Metro Station in NoMa.

  • Sasaki Associates’ internationally recognized practice includes architecture, interior design, planning, urban design, landscape architecture, graphic design, and civil engineering, as well as financial planning and software development. From its headquarters in Watertown, Massachusetts, the firm works in a variety of settings—locally, nationally, and globally.

  • Established in 1965, Hartman-Cox is a Washington, DC based architecture firm that, since its inception, has produced award-winning, imaginative and responsible design for private, institutional, educational and civic clients. Hartman-Cox is particularly noted for its sensitivity and responsiveness to site and context, as well as its stylistic flexibility, which results in buildings that are appropriate to their surroundings and maximize their functionality. The firm has won over 140 design awards, including six American Institute of Architects Honor Awards, the Louis Sullivan Award for Architecture, the 2006 Arthur Ross Award for Architecture and, most notably, the American Institute of Architects Architectural Firm Award, the highest award bestowed by the American Institute of Architects.

  • Meany & Oliver Companies, Inc. is one of the leading privately-held commercial real estate firms in the Washington, D.C. metropolitan area. Its primary goal is to help clients (i) maximize the value of their commercial real estate assets and (ii) achieve extraordinary operating results. Meany & Oliver’s breadth of knowledge and depth of expertise enable it to provide clients with a broad range of services including: landlord and tenant representation, consulting, investment services and marketing.  The array of services goes beyond simple acquisition and disposition of space. The firm has consistently helped both private and public sector clients plan and achieve their long-term strategic goals.