American Federation of Labor Building
Building in Washington, D.C. Built 1916 by Frank Pierce Milburn. Added to the National Register in 1974, and a National Historic Landmark.

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What it is
The American Federation of Labor Building is a seven-story brick and limestone building located along Massachusetts Avenue in Washington, D.C. Completed in 1916, it served as the headquarters of the American Federation of Labor until 1955, when it merged with the Congress of Industrial Organizations to form the AFL–CIO. It remained a trade union headquarters until 2005, when it was sold to the developers of the Washington Marriott Marquis hotel. The building exterior, the only historical element remaining of the building, is now part of that structure. It was declared a National Historic Landmark in 1974. It housed the American Federation of Labor for 40 years.
Text from Wikipedia, CC BY-SA 4.0.
The record
| Property type | Building |
| Address | 901 Massachusetts Ave., NW., Washington, DC |
| County | District of Columbia |
| Listed | Sep 13, 1974 |
| Listed for | Social history |
| Level of significance | National |
| Reference number | 74002154 |
| Built | 1916 · more from the 1910s |
| Architect | Frank Pierce Milburn |
| Type of place | building |
| Designations | National Historic Landmark |
| Contributing resources | 1 building |
| Standing | Yes |
The nomination form, the document that argues why this place matters, is in the National Archives: Read the nomination ↗
Visiting
| Address | 901 Massachusetts Ave., NW., Washington, DC |
| Coordinates | 38.9036° N, 77.0247° W · Directions ↗ |
| Also in Washington | 675 listed places in Washington → · walking tours → |
| Nearest national park unit | Mary McLeod Bethune Council House National Historic Site · under a mile · on Park Atlas |
| Federal campgrounds nearby | Fort Dupont Park Picnic Areas 4 miles · Rock Creek Park Group Picnic Areas (Dc) 4 miles · Greenbelt Park Ranger Station 9 miles |
Explore
Map
Nearby in District of Columbia
Local history books for Washington
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Guidebooks to historic places in Washington, D.C.
Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
When was American Federation of Labor Building listed on the National Register?
Sep 13, 1974. It is also a National Historic Landmark, the higher of the two designations.
Source: National Park Service
When was American Federation of Labor Building built?
1916, designed by Frank Pierce Milburn.
Source: Wikidata
Can I visit American Federation of Labor Building?
Yes. American Federation of Labor Building is recorded as open to the public.
Source: Wikidata
Where is American Federation of Labor Building?
901 Massachusetts Ave., NW., Washington, District of Columbia, District of Columbia. The nearest national park unit is Mary McLeod Bethune Council House National Historic Site, under a mile away.
Source: Mary McLeod Bethune Council House National Historic Site
Where is the nomination form for American Federation of Labor Building?
The National Archives holds the nomination form, the document that made the case for listing.
Source: National Archives
Are there campgrounds near American Federation of Labor Building?
Three federal campgrounds are within reach. The closest is Fort Dupont Park Picnic Areas, 4 miles away. Rock Creek Park Group Picnic Areas (Dc) is 4 miles away, and Greenbelt Park Ranger Station is 9 miles away.
Source: Campsite Atlas
Is there cell service at American Federation of Labor Building?
FCC coverage maps show Verizon 5G, AT&T 5G, and T-Mobile 5G at the listed point. Coverage indoors and behind old masonry is another matter.
Source: FCC Broadband Map
Sources
Location, type and contributing counts come from the National Park Service's National Register spatial data. Listing dates come from the National Register office's spreadsheet where it carries the listing. Construction date, architect, style, photograph and encyclopedia link come from Wikidata and Wikimedia Commons, matched on reference number 74002154. Nothing here is transcribed by hand. The nomination form and photographs ↗ at NPGallery are the original nomination as filed with the National Park Service, and the form is often the best description of the place. The description under "What it is" is the opening of the Wikipedia article, CC BY-SA.