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
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
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
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
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
Wolf Trap National Park for the Performing Arts
Featured Project
Supreme Court of the United States Building
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
District of Columbia Court of Appeals (Old City Hall)
Restoration, modernization, and conversion of this 99,000-SF historic structure built in the early 19th century and originally used as the Old City Hall. Its most recent use has been that of a courthouse whose activities were gradually transferred to other...
Featured Project
Station Place Campus
Located adjacent to Union Station, Station Place is the largest private office building development in Washington, DC. The project is planned for three separate phases comprising more than 2,200,000 SF of office building and below-grade parking. Phase I - 100...
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...