Union Block
Many listed buildings are private homes. Please enjoy them from the street.
About Union Block
Union Block, at 109--113 W. Monroe, was added to the National Register of Historic Places on Sep 6, 1991. The Register lists it for its architecture, at the local level. It describes its style as Vernacular Italianate, as it does for 17 other Iowa listings. It was listed as part of Mount Pleasant MPS. 14 more Register listings are within a quarter mile.
What it isHistoric building in Mount Pleasant, Iowa, USA. 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 · 11 MB · National Archives↗Make it a walk: 5 landmarks in about 5 minutes
109--113 W. Monroe, Mount Pleasant · about 0.1 miles on foot, as the crow flies
16 more Register listings within half a mile
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Vernacular Italianate style, nearby
Other National Register listings within 25 miles described as Vernacular Italianate.
Memories of Union Block
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Union Block
Is Union Block on the National Register of Historic Places?
Yes. It was added on Sep 6, 1991 (Register number 91001110).
Is Union Block a National Historic Landmark?
No. It is on the National Register; Iowa has 22 National Historic Landmarks.
Can you visit Union Block?
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 Union Block?
In its National Register nomination, the form that put it on the Register: a 11 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 75336577 · Wikidata. Map tiles © OpenStreetMap contributors.