What's Happening?
Chicago is witnessing a resurgence of moderate-density apartment buildings, specifically five-story infill structures, known as III-5s. This revival is attributed to the Connected Communities Ordinance of 2022, which relaxed parking requirements in higher-density
residential zones. Historically, such buildings were a staple in Chicago's residential landscape but were phased out due to zoning changes in 1971. The ordinance has allowed these buildings to return, particularly in B and C mixed-use districts on arterial streets. The 2019 building code reforms also played a significant role by permitting a construction type previously limited to four stories to be used for five-story buildings, making them more economically viable for developers.
Why It's Important?
The return of five-story infill buildings in Chicago represents a significant shift in urban planning and housing policy. This development could address the city's housing needs by providing more residential units without the need for high-rise construction. It also reflects a broader trend towards more flexible zoning laws that can adapt to modern urban challenges. The economic implications are substantial, as these buildings offer a cost-effective solution for developers, potentially leading to increased investment in urban housing projects. This could benefit local economies by creating jobs and increasing property values.
What's Next?
As the trend of five-story infill buildings continues, it is likely that more areas in Chicago will see similar developments. The success of these projects could prompt further zoning reforms, encouraging other cities to adopt similar measures. Stakeholders, including city planners, developers, and community groups, will need to collaborate to ensure that these developments meet the needs of residents while maintaining the character of neighborhoods. Monitoring the impact on traffic, public services, and community dynamics will be crucial as these buildings become more prevalent.











