[2] Alongside its own community programs, the Centre today is home to the Queen/Saulter branch of the Toronto Public Library, The South Riverdale Child-Parent Centre, and offices for the Don Valley Community Legal Services.

[3] It is named after Ralph Thornton, a taxi driver and prominent community activist in the Riverdale area.

A registered charity founded in 2001, the RTCO works to support the establishment, operation, programming, and projects undertaken by the RTCC and other community groups.

[5] The neoclassical heritage structure was originally built by the federal government to house Postal Station G. Designed by one of Toronto's most noted architects E.J.

In 1979 it was leased to the city and converted into a community centre over a two-year process.