An easier way to research policy across local governments.
Read the full codified ordinances for any municipality in the Chicago metro area. Navigate titles, chapters, and sections through an interactive table of contents.
261 municipalities across 9 counties
Full-text search across all 359,409 codified sections. Find how different communities regulate the same topic and compare ordinance language side by side.
The same sections, two different lenses: by the topic a section regulates, or by the domain structure of the code itself.
Certain topics and subjects show up in municipal codes around the region but aren’t always organized the same way. Browsing by subject pulls together a pool of code sections on one topic across every municipality — spanning the 150+ most common policy topics in the region.
Fences · Short-term rentals · Tree preservation Browse by subject →Browsing by domain lets you navigate codes the way the municipalities themselves organize them — walking the title/chapter structure to compare how different communities arrange and structure their ordinances.
Zoning · Public Safety · Business & Licensing Browse by domain →Leverage the power of LLMs to search the database. Developed as a connector for Claude chat, the MCP lets you present a research question and collaborate on reports, presentations, or interactive web apps that are cited back to their source municipal-code sections. Verify accuracy and relevance with a single link click on any finding.