[6] The association operates a second seasonal outdoor farmers' market[7] in Dewey Square, near the southern end of the Greenway.

The market occupies most of the ground floor of a mixed use building constructed as part of the Big Dig highway and tunnel project.

The building, on a site known as Parcel 7,[8] also includes ventilation towers for the underground highway, a portion of the Haymarket Station of the MBTA Green and Orange lines, the Haymarket Center Garage,[9] and office space occupied by the Massachusetts Registry of Motor Vehicles.

The land continued to be used for parking until construction of the Tip O'Neill Tunnel began in the early 1990s as part of the Big Dig, when the mixed use structure was built on Parcel 7.

[25] In 2008, the Massachusetts General Court passed an environmental bond authorization that provided "that not less than $10,000,000 shall be expended to establish a program to facilitate the creation of a general public market in Boston to provide local agricultural, seafood and aquaculture, dairy and specialty foods produced in the commonwealth".

[26] In 2009, the Massachusetts Department of Transportation issued a request for proposals from developers to lease the office space, garage, and ground floor market in the Parcel 7 building.

[28] In 2011, the state Department of Agricultural Resources commissioned the Project for Public Spaces to develop an implementation plan for a market in the building.

[29] Later the same year, the department issued a Request for Proposals for the development and operation of a "Public Food Market.