The Lockkeeper's House
A landmark in Washington, in the middle of things: 71 places within a five-minute walk. One of 496 history & landmarks in Washington.















On the National Register since 1973

Lockkeeper's House, C & O Canal Extension (Additional Documentation)
Lockkeeper's House, C & O Canal Extension (Additional Documentation) was added to the National Register of Historic Places on Nov 30, 1973. It is significant for its commerce, transportation, architecture and other at the local level.
The Lockkeeper's House is the oldest building on the National Mall in Washington, D.C. It was built in 1837 at what is now the southwest corner of 17th Street, NW and Constitution Avenue, NW, near Constitution Gardens. The building dates to a period when the south end of 17th Street, NW was a wharf and Constitution Avenue, NW was the location of a section of the Washington City Canal, which connected the Potomac an…
The full story →Make an afternoon of it
71 places within a five-minute walk of The Lockkeeper's House.
Constitution Ave NW & 17th Street Northwest
The nearest neighbor is Washington's Historic Waterfront, 1 min walk away.
No photos yet
Be the first to show what The Lockkeeper's House looks like.
Sign in to add a photo.
No reviews yet
What should the next neighbor know?
Sign in to leave a review.
More history & landmarks in Washington
Local favorites first.
Fix a detailWrong hours or phone? Moved or closed? Neighbors keep this right.✎
Sign in to suggest a change or confirm one.
Talk about The Lockkeeper's House
Tips, questions and shout-outs from Washington neighbors.
Your answer becomes a post in Town Square.
Some place details from Overture Maps (CDLA-Permissive-2.0). Changes go live once a second neighbor confirms them. Building history: National Park Service, National Register of Historic Places.