The mission of Preservation Chicago, an activist organization, is to advocate for the preservation of Chicago's historic architecture. Preservation Chicago achieves its mission through:

Advocating and formulating policy that strengthens the process of preservation;

Recommending strategies that foster intelligent planning;

Partnering with communities to raise awareness of and advocate for the preservation of historically significant buildings and neighborhood spaces; and

Compiling and disseminating information about historically significant, at-risk buildings and urban spaces.

Preservation Chicago is a 501(c)3 Not For Profit corporation.