
Sonneborn Building
Also known as Paca-Pratt Building
Many listed buildings are private homes. Please enjoy them from the street.
About Sonneborn Building
Sonneborn Building, at 110 S. Paca St., was added to the National Register of Historic Places on Oct 29, 1982. The Register lists it for its industry, engineering, architecture and social history, at the local level. It describes its style as Neoclassical, as it does for 7 other Maryland listings. 20 more Register listings are within a quarter mile.
What it isHistoric loft building in Baltimore, 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 · 58 MB · National Archives↗Make it a walk: 5 landmarks in about 5 minutes
110 S. Paca St., Baltimore · about 0.2 miles on foot, as the crow flies















45 more Register listings within half a mile
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Show the other 27
Neoclassical style, nearby
Other National Register listings within 25 miles described as Neoclassical.
Memories of Sonneborn Building
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Sonneborn Building
Is Sonneborn Building on the National Register of Historic Places?
Yes. It was added on Oct 29, 1982 (Register number 82001588).
Is Sonneborn Building a National Historic Landmark?
No. It is on the National Register; Maryland has 71 National Historic Landmarks. The nearest is College of Medicine of Maryland, 0.1 miles away.
Can you visit Sonneborn Building?
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 Sonneborn Building?
In its National Register nomination, the form that put it on the Register: a 58 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 106776800 · Wikidata. Map tiles © OpenStreetMap contributors.






