Mannheim
Also known as San Mar Road; Stone House
Many listed buildings are private homes. Please enjoy them from the street.
About Mannheim
Mannheim, at San Mar Rd., was added to the National Register of Historic Places on Sep 25, 1979. The Register lists it for its industry, commerce, architecture and agriculture, at the local level. It describes its style as Vernacular, as it does for 33 other Maryland listings. The listing covers 2 acres.
What it isHistoric home and former grist mill located at Maryland, United States. From Wikidata (CC0). Read about it on Wikipedia ↗
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 29 MB · National Archives↗Finding Mannheim
San Mar Rd., Mount Lena















No other Register listing is within a short walk. The nearest are under Around it.
2 more Register listings within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Vernacular style, nearby
Other National Register listings within 25 miles described as Vernacular.
Memories of Mannheim
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Mannheim
Is Mannheim on the National Register of Historic Places?
Yes. It was added on Sep 25, 1979 (Register number 79003260).
Is Mannheim a National Historic Landmark?
No. It is on the National Register; Maryland has 71 National Historic Landmarks. The nearest is Tolson's Chapel and School, 9.1 miles away.
Can you visit Mannheim?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Mannheim?
In its National Register nomination, the form that put it on the Register: a 29 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 106778498 · Wikidata. Map tiles © OpenStreetMap contributors.



