Washington, DC

1130 Connecticut Avenue, NW Suite 750
Washington, DC 20036

202.296.6583

Our Washington, DC office is well-established with area owners, architects, and developers, having served the region and beyond for over 50 years. Today, Loring’s Washington, DC office provides a local base for the firm’s large federal, embassy, and governmental agency projects, as well as healthcare and laboratories. Additionally, the office is very involved in commercial, cultural, and higher education work in the greater region. Our renowned Historic Restoration, Preservation, and Modernization practice serves public and private clients throughout the country, including complex projects for the state capitols of Michigan and Wyoming, and work for the Smithsonian Institution, the District of Columbia Courts, and the General Services Administration. In addition to traditional engineering design services, our DC office has a group of professionals who are dedicated to both commissioning and energy services.

Fast Facts

Focus Sectors & Specialties:
  • Commercial + Workplace
  • Cultural
  • Education
  • Government
  • Historic
  • Infrastructure + Utilities
  • Science + Technology

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Featured Projects

Washington Office

Featured Project
KPMG Offices
Loring has provided MEP services for KPMG for over 50 years at various locations on the east coast. Services have included design for data centers, TV studios, conferencing centers, kitchens, cafeterias, general office spaces, and training rooms.
Featured Project
Daughters of the American Revolution Constitution Hall
This project involved the provision of mechanical and electrical design services for the renovation of Constitution Hall, a 3,704-seat auditorium that is part of the Daughters of the American Revolution's headquarters complex. Modern systems were carefully integrated to provide flexibility...
Featured Project
Smithsonian Institution Building (the Castle) and the Arts and Industries Building (AIB)
The Castle Constructed between 1847 and 1855 and designed by James Renwick, Jr., the Castle is the museum system's oldest building. Serving as the public's doorway to and the symbol of the Smithsonian Institution, the Castle is home to administrative...
Featured Project
1500 K Street NW, Office Tower
1500 K Street NW is an 11-story, 260,000-SF Class "A" commercial office building constructed in 1928. For nearly a decade, Loring has provided MEP engineering to dozens of tenants who occupy retail and office spaces throughout the building. Our involvement...
Featured Project
Cloud HQ LC1B Data Center
Voice/data design services for the LC1B project included reviewing telecommunications bid distribution plan drawings and specifications, observing cable and device installation for compliance with bid specification, reviewing and processing telecommunications project submittals, preparing and issuing a field observation report, and...
Featured Project
Michigan State Capitol
Central Utility Plant
A focal element of the Michigan State Capitol Infrastructure Upgrades project is the design of a new 10,000-SF below-grade central utility plant that provides year-round heating and cooling to the Capitol building and Heritage Hall through carbon-free geothermal energy. Resilient...
Featured Project
Wyoming State Capitol Complex: State Capitol Building Historic Renovation and Expansion
The Wyoming State Capitol Complex Historic Renovation and Expansion project included the complete rehabilitation and restoration of the 90,000-SF historic Wyoming State Capitol Building, complete renovation of the existing 250,000-SF State Office Building, a 50,000-SF new addition to the existing...
Featured Project
Wyoming State Capitol Complex: State Capitol Building Historic Renovation and Expansion
The Wyoming State Capitol Complex Historic Renovation and Expansion project included the complete rehabilitation and restoration of the 90,000-SF historic Wyoming State Capitol Building, complete renovation of the existing 250,000-SF State Office Building, a 50,000-SF new addition to the existing...
Featured Project
Michigan State Capitol Infrastructure Upgrades and Heritage Hall
Loring provided MEP services for the infrastructure upgrades and modernization of the Michigan State Capitol and the new 40,000-SF below-grade visitor center "Heritage Hall." Modernization of the Capitol building, a National Historic Landmark renowned for its artistic value and rich...
Featured Project
National Law Enforcement Museum