Capitol Visitor Center, Washington, DC
Gallery Place, Washington, DC
District of Columbia Youth Services Center, Washington, DC
Comcast Center, College Park, MD
Washington Dulles International Airport, Chantilly, VA
Maritime Plaza, Washington, DC
Washington Reagan National Airport, Washington, DC
  • Capitol Visitor Center, Washington, DC
    The Capitol Visitor Center is a new $600M three-level addition built 55 feet beneath the historic 215-year old US Capitol. This was the largest development project undertaken at the US Capitol in more than 145 years.
  • Gallery Place, Washington, DC
    This dynamic urban retail center is located in the heart of the District’s Chinatown neighborhood and combines business, shopping, dining and entertainment all under one roof.
  • District of Columbia Youth Services Center, Washington, DC
    This center implements programs, services and supports the basic physical, emotional, educational and social needs of detained youth.
  • Comcast Center, College Park, MD
    Maryland's new home for Terrapin provides seating for 17,950 fans for men's and women's basketball games and serves as a host location for university and community special events.
  • Washington Dulles International Airport, Chantilly, VA
    The construction and rehabilitation of various airport facilities including terminals, automated people mover system, parking garages, power plants, and support facilities for this major domestic and international air travel hub.
  • Maritime Plaza, Washington, DC
    Maritime Plaza is one of the first multi-use developments constructed along the Anacostia Waterfront and is a pivotal piece to the revitalization of this industrially blighted "backyard" of the nation's Capital.
  • Washington Reagan National Airport, Washington, DC
    The nationally recognized modernization program at Washington Reagan National was designed by renowned architect Cesar Pelli to provide a functional and aesthetically pleasing airport with large windows overlooking airport operations and the District’s skyline.

About DHA

Founded in 1973, Delon Hampton and Associates, Chartered is a professional engineering consulting firm specializing in civil and structural design and program/construction management services. Our portfolio of services, valued in excess of $40 billion, represents some of the most highly-recognized and complex projects in the nation. Whatever the challenge, we have the talent and the technical expertise to provide our clients with economical and effective engineering solutions.

With decades of experience, the firm has a wealth of engineering expertise combined with the latest technology, to handle projects of various sizes and complexities. Our professionals have both design engineering and construction support services expertise to provide thorough and complete design as well as construction QA/QC and inspection services at any stage of a project. Our experience includes new construction, renovation, rehabilitation, restoration, and reconstruction of office buildings, airport and associated facilities, roadways, transit and aerial structures, vehicle maintenance facilities, and water/wastewater facilities. We support all projects with qualified engineers and construction staff who have the technical expertise to deliver projects on schedule and within budget.

We welcome the opportunity to serve you!


Corporate Headquarters
900 7th Street, NW, Suite 800
Washington, DC 20001 
Phone: 202-898-1999 | Fax: 202-371-2073

Mid-Atlantic Regional Office 
8403 Colesville Road, Suite 600
Silver Spring, MD 20910
Phone: 301-585-0100 | Fax: 301-585-6486

Baltimore Branch Office
500 E Pratt Street, Suite 1175
Baltimore, MD 21202
Phone: 410-401-6100

Southern Regional Office 
229 Peachtree Street, NE, Suite 1510
Atlanta, GA 30303
Phone: 404-524-8030 | Fax: 404-524-2575