William Koch House
Listed as “Koch, William, House” · Also known as Krohmer Properties
Many listed buildings are private homes. Please enjoy them from the street.
About William Koch House
William Koch House, at 201 W. 2nd St., was added to the National Register of Historic Places on Oct 31, 1996. It was among the first 11 of Mitchell’s 20 listings, with one other the same day. The Register lists it for its architecture, at the local level. It describes its style as Late Victorian, as it does for 30 other South Dakota listings. Eight more Register listings are within a quarter mile.
What it isHistoric house in Mitchell, South Dakota, United States. From Wikidata (CC0).
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 45 MB · National Archives↗1901 to today
- 1901Built
- 1996Added to the National Register of Historic Places
- 2026On the Register for 30 years
Make it a walk: 5 landmarks in about 10 minutes
201 W. 2nd St., Mitchell · about 0.4 miles on foot, as the crow flies
11 more Register listings within half a mile
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Memories of William Koch House
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about William Koch House
Is William Koch House on the National Register of Historic Places?
Yes. It was added on Oct 31, 1996 (Register number 94000566).
Is William Koch House a National Historic Landmark?
No. It is on the National Register; South Dakota has 7 National Historic Landmarks.
Can you visit William Koch House?
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 William Koch House?
In its National Register nomination, the form that put it on the Register: a 45 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 93204786 · Wikidata. Map tiles © OpenStreetMap contributors.