Southside United Housing Development Fund Corporation, known as Los Sures, is a community-based nonprofit that has served the South Side of Williamsburg, Brooklyn since 1972. Its core work is affordable housing development and management, tenant and community organizing around housing, immigration, and civic-participation issues, and social services such as case management and crisis support for formerly homeless residents. The organization also runs an Older Adults Center offering meals and recreational programming for neighbors sixty and older, along with a Neighborhood Safety Coalition. Southside United is listed in the NYC Department of Cultural Affairs directory of cultural organizations, though its everyday mission is community development and social services rather than exhibiting visual art.