Admission is $10.00 for adults. There is no discount for senior citizens. The D.C. Power Pass is accepted.
Discount admission for $8.00 is available to AAA members, active military, veterans, civil servants, and National Trust members with membership cards.
There is no admission charge for:
- The National Society of The Colonial Dames of America members
- Dumbarton House museum members
- Children with a paying adult
- Students with valid identification
- Members of the American Alliance of Museums
- Historic House Museums Consortium staff and volunteers
- U.S. Treasury Department employees
Dumbarton House is a Blue Star Museums partner, offering free admission to active duty military personnel with identification and their families between Memorial Day weekend through Labor Day weekend.