
Allison Mansion
Also known as Riverdale, Marion College Library
Many listed buildings are private homes. Please enjoy them from the street.
About Allison Mansion
Allison Mansion, at 3200 Cold Spring Rd, was added to the National Register of Historic Places on Dec 18, 1970: the first place in Wayne Township to be listed. Only 14 of Indiana’s 2,121 listings are older. The Register lists it for its industry, art, engineering and architecture, at the national level. The listing covers 4 acres.
What it isIndianapolis, Indiana, listed on the NRHP in Marion County. 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 · 42 MB · National Archives↗Make it a walk: 3 landmarks in about 15 minutes
3200 Cold Spring Rd, Wayne Township · about 0.6 miles on foot, as the crow flies















14 more Register listings within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Memories of Allison Mansion
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Allison Mansion
Is Allison Mansion on the National Register of Historic Places?
Yes. It was added on Dec 18, 1970 (Register number 70000006).
Is Allison Mansion a National Historic Landmark?
No. It is on the National Register; Indiana has 42 National Historic Landmarks. The nearest is Indianapolis Motor Speedway, 1.7 miles away.
Can you visit Allison Mansion?
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 Allison Mansion?
In its National Register nomination, the form that put it on the Register: a 42 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 132003756 · Wikidata. Map tiles © OpenStreetMap contributors.

