National Register of Historic Places

Quality Hill

Washington, District of Columbia County, District of Columbia
Listed
March 16, 1972
Type
Building
Period
Industrial
Ref No.
72001431

About this property

Quality Hill, also known as the John Thomson Mason House, is a historic building, located at 3425 Prospect Street, Northwest, Washington, D.C., in the Georgetown neighborhood. John Thomson Mason, a nephew of George Mason, bought the house in 1798. John and Elizabeth Teakle bought the house in 1807. Albert Adsit Clemons, owner of Halcyon House bought the house in 1915. Senator and Mrs. Claiborne Pell bought the house in 1961. Since 2019 the house has served as the Washington, DC headquarters of the Calvin Coolidge Presidential Foundation. Media related to John Thomson Mason House, 3425 Prospect Street NW at Wikimedia Commons

Location

3425 Prospect St., NW.
Washington, District of Columbia County, District of Columbia
38.90618, -77.06884

Categories

ARCHITECTURE
National Register nomination ›
Sources

Property data from the National Register of Historic Places, National Park Service (public domain).

Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.

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Everything a full report reveals about Quality Hill

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Overview
An interactive map of the location with historic sites, battles and Native heritage plotted, and its full story era by era.
The Land
The historic sites and place names around the location, and how this land was settled and used.
Geology
The bedrock beneath the site, its age and rock type, reaching back millions of years.
LiDAR Terrain
Laser-scanned terrain that reveals earthworks and old features hidden in the landscape.
Conflict & War
The battles, raids and skirmishes fought near here, across every era of American conflict.
The Civil War
The Civil War on this ground, 1861 to 1865: who held it, and the battles, camps and regiments nearby.
The Soldiers
The men who marched from here in the Civil War, named and traced where the record allows.
Native Heritage
The Native nations who held this land, mapped across time from before European contact to today.
Settlement
Who claimed and held this ground, from Indigenous homelands through the colonial powers to the United States.
The Community
How the town grew, who came, and what kind of place it became, traced through the census record.
Rivers & Rail
The rivers, canals and railroads that connected this place between 1830 and 1911.
Notable People
The people born, buried or genuinely tied to this exact place, with their stories.
Historical Maps
Historic maps of the location layered over how it looks today.
Finds & Access
Museum objects tied to the area, and the laws on searching, collecting and access here.
Literature
The old books, county histories and archives that mention this place, quoted with their sources.
Spotlight
A deep dive into the most remarkable, lesser-known history of the place, traced back to the record.
Points of Interest
The most significant historic sites and landmarks near the location, and why they matter.
Timeline
The whole story of the location told era by era, from first peoples to the present day.
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Nearby Historic Sites

Prospect House
Industrial
0.1 mi
Halcyon House
Early Republic
0.1 mi
Forrest-Marbury House
Early Republic
0.1 mi
Potomac Boat Club
Civil War
0.2 mi
Washington Canoe Club
Industrial
0.2 mi

Nearby Battles

September 11 Pentagon Attack
2001Modern
2.5 mi
September 11 Attacks — Pentagon
2001Modern
2.5 mi

Questions about this property

When was Quality Hill listed on the National Register?

Quality Hill was listed on the National Register of Historic Places on March 16, 1972.

What type of historic resource is Quality Hill?

Quality Hill is classified as a building in the National Register of Historic Places.

What is the period of significance for Quality Hill?

The period of significance for Quality Hill is recorded as the industrial era.

Can I research the history near Quality Hill?

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District of Columbia history

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