Cowen Design Group

Cowen Design Group (CDG) is a woman-owned small business that provides professional civil engineering and landscape architectural design services for government and commercial clients. Since 2006, CDG has worked on 80+ U.S. embassy and consulate projects with the U.S. Department of State’s Bureau of Overseas Building Operation. CDG leverages their expertise in geographically diverse environments, research, and coordination of local practices & climate, as well as jurisdictional codes and material sourcing. At CDG, the collaboration of civil engineering and landscape architectural design delivers projects that are elegant, strategic, constructible, and functional.

In the United States, CDG provides civil engineering and landscape architecture services for notable projects with the following agencies: US Presidential Libraries and other facilities with the National Archives and Records Administration, Johns Hopkins University Applied Physics Laboratory Campus, General Services Administration, Washington Headquarters Service; Food & Drug Administration, the US Army Corps of Engineers, and NOVA Parks.


Civil Engineering Design – Site design of land development projects for site access, site utilization and  utility systems.  Our work includes designing water and wastewater systems, storm water management, parking, and local community connections to create the safe and efficient use of land through low impact and sustainable practices.

Landscape Architecture Design – We create aesthetic, unique indoor and outdoor environments for pedestrian, vehicle, and recreational activities attuned to the local environment using native, and regionally appropriate plant materials, sustainable environmental features, and functional surfaces.

Secure Facility Site Design – We design unique security features to control the designated area and provide a secure environment for the users. Providing secure facilities with strategic, discrete elements to implement physical security while being attentive to the aesthetics of the architecture and the principal functionality of the property.

Integrated Sustainable Design – Our efficient water system designs are sustainable and safe. We design rainwater harvesting systems for reuse as irrigation; the treatment of waste-water for reuse; and utilize, and address heat-island mitigation with canopy trees and photovoltaic canopies.