office Properties

  • 300 Park Avenue South

    Built in 1910, the Mills & Grubb Building at 300 Park Avenue South was acquired by Rockrose in 1999. Totaling 183,330 square feet with 13,487-square-foot floors, this beautiful prewar’s ornate façade belies the fact that this 15-story structure at the corner of Park Avenue South and 22nd Street is one of Midtown South’s best-equipped buildings.

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  • 1150 18th Street NW

    Located in Washington DC's Central Business District, this 180,000 square foot office property sits in the heart of the Golden Triangle with the city's best retailers, restaurants and hotels.

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Featured News & Press

  • Developer working magic in Washington DC

    Rockrose Development Corporation is in contract to buy 1776 Eye Street NW, a Class-A office building three blocks from the White House in Washington's Golden Triangle Business District. The purchase is part of a strategic plan for Rockrose to ...

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