Frederick Ayer Mansion
Listed as “Ayer, Frederick, Mansion”
About Frederick Ayer Mansion
Frederick Ayer Mansion, at 395 Commonwealth Avenue, was added to the National Register of Historic Places and named a National Historic Landmark on the same day, Apr 5, 2005: one of 189 Landmarks in Massachusetts and 55 in Boston. It describes its style as Neo-Classical Revival, as it does for 7 other Massachusetts listings. Two more Register listings are within a quarter mile.
What it isHistoric house in Boston, Massachusetts. 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 · 136 MB · National Archives↗1899 to today
- 1899Built
- 2005Added to the National Register and named a National Historic Landmark
- 2026On the Register for 21 years
Make it a walk: 5 landmarks in about 10 minutes
395 Commonwealth Avenue, Boston · about 0.4 miles on foot, as the crow flies
5 more Register listings within half a mile
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Other National Historic Landmarks nearby
The nearest Landmarks with a photo, within 25 miles, and the year each was named.
Memories of Frederick Ayer Mansion
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Frederick Ayer Mansion
Is Frederick Ayer Mansion on the National Register of Historic Places?
Yes. It was added on Apr 5, 2005 (Register number 05000459).
Is Frederick Ayer Mansion a National Historic Landmark?
Yes, since Apr 5, 2005. Massachusetts has 189 National Historic Landmarks, 55 of them in Boston.
Can you visit Frederick Ayer Mansion?
Yes: it is open to visitors. Check opening times before you go.
Where can I read the history of Frederick Ayer Mansion?
In its National Register nomination, the form that put it on the Register: a 136 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 63793871 · Wikidata. Map tiles © OpenStreetMap contributors.