TMM was previously known as Tucson Metropolitan Ministry and began in 1974 as a social services outreach of various local churches, United Way, and other entities.

TMM has assisted in the development and growth of now independent organizations like the Community Food Bank, Miracle Square Apartments, and Travelers Aid...

TMM offers supportive services and affordable housing for children and families throughout the Southern Arizona community.  In addition to six campuses of affordable housing, TMM also provides safe housing to fifty-three children who have been removed from their home by CPS; transitional housing for single mothers and their children; the ReStore that offers new & used outlet and home improvement items at up to 80% below retail prices; and the Community Closet that provides free clothing and bedding to the community's most needy individuals & families through a voucher program by working with other social agencies, religious communities, and government organizations.