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Zion council adopts updated building code with residential sprinkler requirement after public debate
Summary
After public testimony for and against home fire sprinklers, the Zion City Council approved updates adopting the 2021 building-code provisions that include sprinkler requirements for new single-family and two-family homes; staff said the rule applies only to new construction and retrofit triggers are tied to major demolition/renovation thresholds.
The Zion City Council on Dec. 17 approved updates to the municipal building code that adopt 2021 International Code provisions, including a requirement that new single-family and two-family homes be equipped with fire sprinkler systems. The measure passed unanimously after public comment and discussion by council members and staff.
Supporters urged the council to adopt the sprinkler language as written. Eric Hofer of the Northern Illinois Fire Sprinkler Advisory Board told the council that home-fire sprinklers have been part of model codes and are already required by more than 110 Illinois communities. "It's like having the firefighter in your home 24/7," Hofer said, arguing sprinklers can control modern, fast-moving fires that consume a house in two to three minutes.
Opponents, including Michael D'Auro, a former township trustee and regional real-estate-affairs director, asked the council to exempt one- and two-family homes from the mandate, saying the added construction cost could be "an additional $20,000 or more" and risk pricing first-time buyers out of the market.
Staff and public-safety officials framed the update as a life-safety step tied to changes in construction materials and methods. The city's fire official characterized the change as "a safety initiative" for residents and firefighters. City staff said the sprinkler requirement applies to new construction only and will not require retrofits in existing homes except where a major demolition or remodel meets a statutory threshold (the transcript references a remodel/demolition threshold above roughly 50% that could trigger retrofit requirements).
Council members asked about insurance impacts and operating costs. Staff said insurance premiums commonly fall for homes with sprinkler systems (a range of roughly 5%–25% was cited depending on insurer and circumstances). Staff also said routine maintenance is limited, aside from occasional system checks and a backflow preventer required by plumbing codes.
The council voted on the code amendment, and the motion carried unanimously. The city's building department indicated it will provide additional information to the public about when sprinkler requirements take effect and how triggers such as demolition or substantial renovation are calculated.
