K3 Construction Group is a general contractor founded in 1982 and headquartered in Reston, Virginia. They serve clients including law firms, associations, non-profits, developers, and Fortune 500 companies. Their mission is to provide outstanding construction services while helping clients, partners, and individuals achieve their professional goals. Services include preconstruction planning, design assistance, general contracting, and construction management. Engaging K3 for preconstruction benefits projects through understanding goals, aligning budgets, right-sizing subcontractors, and reducing change orders. Notable projects include offices for Hogan & Hartson and the Friends Committee on National Legislation building, which achieved Silver LEED certification.