Quadrangle Properties, LLC is a prominent commercial real estate firm based in Washington, D.C., with over 50 years of experience in the development and management of institutional-quality properties. Founded in 1971 by Robert Gladstone, the company has grown into a family-owned firm, now led by Christopher Gladstone and Elise Rabekoff. Quadrangle specializes in developing a diverse range of properties, including apartments, office buildings, hotels, life science facilities, and mixed-use developments. The firm has a demonstrated commitment to the local market, applying a deep understanding of supply and demand to successfully navigate the complexities of the D.C. real estate landscape.
With a team of 150 in-house experts, Quadrangle employs a vertically integrated approach, which allows them to handle every aspect of the building process from programming to financing and management. The company's impressive portfolio includes 63 properties totaling over 20 million square feet and $12 billion in development costs. Notable projects include the revitalization of Pennsylvania Avenue and the development of the Mount Vernon Place project, which connects significant parts of downtown D.C.
Quadrangle emphasizes core values such as integrity, respect, vision, and intention, guiding their collaborative approach to real estate. Their commitment to maintaining strong relationships with partners, tenants, and the community contributes to their lasting success and reputation in the industry. As they look forward, Quadrangle continues to anticipate market changes and seek transformative opportunities in the D.C. area, striving to create meaningful value in every project.
