Harbour Square
Many listed buildings are private homes. Please enjoy them from the street.
About Harbour Square
Harbour Square, at 400-560 (even) N St. SW, 1301-1327 (odd) 4th St, SW, was added to the National Register of Historic Places on Nov 28, 2018. The Register lists it for its architecture, town planning and landscape design, at the local level. The listing covers 8.4 acres. Seven more Register listings are within a quarter mile.
What it isHistoric building in Washington, D.C., United States. From Wikidata (CC0).
Make it a walk: 5 landmarks in about 5 minutes
400-560 (even) N St. SW, 1301-1327 (odd) 4th St, SW, Washington · about 0.2 miles on foot, as the crow flies
6 more Register listings within half a mile
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Memories of Harbour Square
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Harbour Square
Is Harbour Square on the National Register of Historic Places?
Yes. It was added on Nov 28, 2018 (Register number 100003158).
Is Harbour Square a National Historic Landmark?
No. It is on the National Register; District of Columbia has 75 National Historic Landmarks. The nearest is USS SEQUOIA (yacht), 0.3 miles away.
Can you visit Harbour Square?
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.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · Wikidata. Map tiles © OpenStreetMap contributors.