Riversdale
Built 1801 by George Calvert. Added to the National Register in 1973, and a National Historic Landmark.

The record
| Property type | Building |
| Address | Riverdale Rd. between 18th and Taylor Sts., Riverdale, MD |
| County | Prince George's County |
| Listed | Apr 11, 1973 |
| Listed for | Social history, Architecture, Agriculture |
| Level of significance | State |
| Also known as | Calvert Mansion |
| Reference number | 73002166 |
| Built | 1801 · more from the 1800s |
| Architect | George Calvert |
| Style | Georgian architecture, Federal architecture |
| Designations | National Historic Landmark |
The nomination form, the document that argues why this place matters, is in the National Archives: Read the nomination ↗
Visiting
| Address | Riverdale Rd. between 18th and Taylor Sts., Riverdale, MD |
| Coordinates | 38.9603° N, 76.9319° W · Directions ↗ |
Explore
Map
Nearby in Prince George's County
Local history books for Prince George's County
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- Prince George's County and the Civil WarNathania A. Branch Miles and Monday M. Miles, 2013Find at Bookshop.org


Guidebooks to historic places in Maryland
Titles come from Open Library's catalog, matched by subject heading or by title.
Reference
Questions people ask
When was Riversdale listed on the National Register?
Apr 11, 1973. It is also a National Historic Landmark, the higher of the two designations.
Source: National Park Service
When was Riversdale built?
1801, designed by George Calvert, in the Georgian architecture and Federal architecture style.
Source: Wikidata
Where is Riversdale?
Riverdale Rd. between 18th and Taylor Sts., Riverdale, Prince George's County, Maryland.
Source: National Park Service
Where is the nomination form for Riversdale?
The National Archives holds the nomination form, the document that made the case for listing.
Source: National Archives
Sources
Name, location, type and dates come from the National Register office's spreadsheet of listed properties, because the Park Service's spatial data does not carry this listing. The map point comes from Wikidata. Construction date, architect, style, photograph and encyclopedia link come from Wikidata and Wikimedia Commons, matched on reference number 73002166. 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.