52 O Street, NW
From an email:
“This annual event invites the public into the creative spaces of the artists and designers who work and live in the artist studios at 52 O Street. Visitors will have the opportunity to meet artists, learn about their creative process and purchase artworks directly from the site of creation.
The building will be open for visitors to explore and meet the artists from 11am to 6pm the weekend of Saturday May 21st and Sunday May 22nd.
Conveniently located a short walk from the NOMA Metro Station on the Red Line, in the Washington DC Truxton Circle neighborhood, the 52 O Street Artist Studios is between North Capitol Street and First Street NW (north of New York Ave).
Facebook event page.”