Hellmuth Obata & Kassabaum PC

3223 Grace St NW
Washington DC 20007
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Opening Hours

  • Mon: 9am-5pm
  • Tue: 9am-5pm
  • Wed: 9am-5pm
  • Thu: 9am-5pm
  • Fri: 9am-5pm

Payment

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<p><em></em>HOK, formerly known as Hellmuth, Obata + Kassabaum, is a global architectural and design firm with regional offices located on four continents, including in Washington, D.C.</p> <p>Founded in 1955, the firm is one of the largest architectural and interior design firms in the country. The firm specializes in planning, design, and delivery solutions for community and commercial projects. The firm offers a litany of services including landscape architecture, advanced strategies, lighting design, construction services, planning, urban design, engineering and conservation.</p> <p>Call the D.C. office to speak with an associate or schedule a consultation.</p>