Union Square Main Streets works collaboratively to actively support a vibrant neighborhood by preserving the character and advancing the economic strength of the Union Square business district and community. A non-profit, public-private partnership between the City of Somerville, the National Main Street Center, Union Square business leaders, residents and community leaders Union Square Main Streets is Somerville's first community-based economic enhancement program. We provide merchants and community residents with the organizational tools for the neighborhood to advance its own redevelopment.