Discover CHI 311! 

Built with Chicagoans, for Chicagoans, the CHI 311 website and mobile app offer improved customer experience and delivery of city services – providing greater transparency and more ways to submit and track service requests.

Explore CHI 311 Training videos for mobile devices.


Connect Your Way

CHI311 Website

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Apple - 311 IOS App

Google - 311 Android App

Get it on Google Play

Call 311 or visit

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Please call the CHI 311 Resident Helpline for general technical questions, assistance with login, and accessibility concerns. Also, get help navigating CHI 311, including how to check the status of your submitted Service Requests.

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Our Mission

We're modernizing Chicago's 311 system to make it easier for Chicagoans to submit service requests through online, text, social media channels, and more.

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Community Profiles

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Learn more about the everyday heroes in Chicago neighborhoods who make a positive impact through their work and community service. Hear why they are excited for the new 311.

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