Guest, Sign inJoin

Post to Cincinnati

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
Cincinnati Observatory Building
Photo: Analogue Kid at en.wikipedia, CC BY 2.5, via Wikimedia Commons · tap to enlarge
★ National Historic Landmark

Cincinnati Observatory Building

One of 73 National Historic Landmarks in Ohio10 of them in Cincinnati, the highest tier of the National Register
Hannaford, Samuel and SonsListed 1980In the Observatory Historic DistrictCincinnati
About

About Cincinnati Observatory Building

Cincinnati Observatory Building, at Observatory Pl., was added to the National Register of Historic Places on Mar 3, 1980. It was named a National Historic Landmark on Dec 9, 1997, one of 73 in Ohio. The Register lists it for its architecture, at the national level. It also stands in the Observatory Historic District, listed in 1978.

What it isOther organization in Cincinnati, 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 · 3 MB · National Archives↗
Through the years

1978 to today

  1. 1978The Observatory Historic District is listed around it
  2. 1980Added to the National Register of Historic Places
  3. 1997Named a National Historic Landmark
  4. 2026On the Register for 46 years
Visit

Make it a walk: 3 landmarks in about 15 minutes

Observatory Pl., Cincinnati · about 0.5 miles on foot, as the crow flies

Around it

19 more Register listings within 2 miles

★ National Historic Landmark · D district · B building · S site. Each opens its own page.

Show the other 1
More like it

Other National Historic Landmarks nearby

The nearest Landmarks with a photo, within 25 miles, and the year each was named.

Memories of Cincinnati Observatory Building

The record says what it is. Neighbors know what it means.

Town Square →
Weigh in
Have you been to Cincinnati Observatory Building?

Your answer becomes a post in Town Square.

Start a conversation
Have an old photo of it?Add it · +10

Questions about Cincinnati Observatory Building

Is Cincinnati Observatory Building on the National Register of Historic Places?

Yes. It was added on Mar 3, 1980 (Register number 80003043).

Is Cincinnati Observatory Building a National Historic Landmark?

Yes, since Dec 9, 1997. Ohio has 73 National Historic Landmarks, 10 of them in Cincinnati.

Can you visit Cincinnati Observatory Building?

It has its own website, the place to check whether and when it is open to visitors.

Is Cincinnati Observatory Building in a historic district?

Yes, the Observatory Historic District, added to the Register in 1978.

Where can I read the history of Cincinnati Observatory Building?

In its National Register nomination, the form that put it on the Register: a 3 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 71985350 · Wikidata. Map tiles © OpenStreetMap contributors.