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National Register of Historic Places

Mannheim

Also known as San Mar Road; Stone House

On the National Register since 197947 years
VernacularListed 1979Mount Lena

Many listed buildings are private homes. Please enjoy them from the street.

About

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↗
Visit

Finding Mannheim

San Mar Rd., Mount Lena

No other Register listing is within a short walk. The nearest are under Around it.

Around it

2 more Register listings within 2 miles

★ National Historic Landmark · D district · B building · S site. Each opens its own page.

More like it

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.

Town Square →
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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.