Trinity Financial is a real estate development company based at Boston in the U.S. state of Massachusetts. Founded in 1987 the firm focuses on sustainable, urban, multi-cultural, multi-income residential, and mixed-use development. Trinity Financial partners with federal agencies like the United States Department of Housing and Urban Development and United States Environmental Protection Agency, state housing and development agencies, city development agencies like the Boston Redevelopment Authority, neighborhood associations, and community development organizations.