An official website of the City of Chicago

The .gov means it' official

Municipal government websites often end in .gov or .org. Before sharing sensitive information, make sure you're on a City of Chicago government site.

The site is secure.

The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Current Participants

We'll have more info here soon!

Retrofit Chicago 2.0 is still in development and looking for current participants. In the meantime, check out our Resources page to get started on your building retrofits and fill out the survey to join the challenge if you're interested!