Admission is $5.00 for adults. There is no discount for senior citizens. The D.C. Power Pass is accepted.
Discounts are available to AAA members and three guests when a AAA discount card is presented. Discounts are also offered to National Trust members with membership cards.
There is no admission charge for:
- The National Society of The Colonial Dames of America members
- Museum members
- Children with a paying adult
- College 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.