Illinois Governor JB Pritzker faced significant setbacks this spring with the failure of his affordable housing initiative, the Building Up Illinois Developments (BUILD) plan, which sought to reform residential zoning laws across the state. Despite the governor’s strong political backing and efforts to highlight the plan as a solution to Illinois’ growing housing shortage, the proposal did not advance to a full vote in the state legislature.

Introduced during Pritzker’s February budget address, the BUILD plan aimed to permit multi-unit housing types—including duplexes, triplexes, and accessory dwelling units such as “granny flats”—on nearly all residentially zoned properties. The plan also proposed statewide standards for permit review timelines and inspections, designed to streamline housing development and address a pressing shortfall. According to recent estimates by the University of Illinois, the state faces a deficit of roughly 142,000 affordable housing units and would need to build approximately 227,000 units within the next five years to meet demand.

Despite Illinois’ predominantly Democratic legislature, where Pritzker has generally enjoyed broad support, the BUILD plan stalled amid opposition from local government leaders and advocacy groups. A key source of controversy was its provision imposing a statewide zoning standard to allow "middle housing," a move critics argued undermined local control and community input. Senate Majority Leader Cristina Castro, a Democrat from Elgin, acknowledged the concerns by emphasizing that local conditions often demand tailored approaches rather than one-size-fits-all mandates.

The Illinois Municipal League (IML) was among the most vocal opponents. Brad Cole, the organization’s president, criticized the initiative for preempting local zoning authority and described the process as lacking meaningful community engagement. Cole also expressed skepticism about the plan’s impact on affordability, warning it could lead to increased housing units that remain out of reach for many residents. “Every mayor in Illinois wants their community to grow,” Cole said, adding that affordability—not developer or real estate interests—should drive housing policy.

Pritzker’s administration actively promoted the BUILD plan through collaborations with real estate agents and public campaigns on social media, positioning increased housing supply as a means to lower costs. Following the legislature’s adjournment in early June, the governor remained committed to advancing the proposal, signaling plans to renew efforts during the upcoming fall veto session. “The people of Illinois want action on housing,” Pritzker said, asserting that expanding housing opportunities would benefit many residents.

The dispute over BUILD also highlighted concerns about the administration’s outreach. Cole noted the IML was given minimal notice—just a brief phone call the night before the governor’s budget speech—and said attempts to engage the governor’s office during the legislative session were limited and poorly timed. The IML offered an alternative plan in April, which would have allowed municipalities to opt in for state grants and technical support for middle housing developments, but the proposal was dismissed by Pritzker’s team.

With the affordable housing crisis becoming a prominent political issue in Illinois, both sides appear prepared to continue the debate. Pritzker has framed his campaign around the need for comprehensive housing solutions, while local officials insist that any reforms must respect municipal autonomy and prioritize true affordability.