DuPage County, IL Fire Regulations: Brush Clearance (2026)

Section 304.1.2 of the DuPage County Fire Code (2015 IFC as adopted) states that "Weeds, grass, vines or other growth that is capable of being ignited and endangering property, shall be cut down and removed by the owner or occupant of the premises." Section 304.1.1 prohibits accumulations of wastepaper, wood, hay, straw, weeds, litter, or other combustible or flammable waste on roofs, in courts and yards, on vacant lots, in alleys, parking lots, open spaces, or beneath grandstands, bleachers, piers, wharves, or manufactured-home/RV undersides.

Section 305.2 requires hot ashes, cinders, smoldering coals, or other materials subject to spontaneous ignition to be stored at least 10 feet (3,048 mm) away from any combustible material, or stored in noncombustible covered receptacles. Outdoor ground-mounted photovoltaic arrays and energy storage systems require a 10-foot brush-free perimeter (Chapter 12). Permitted fireworks magazines require a 25-foot clearance of brush, dry grass, leaves, trash, and debris (Sec. 5604). The County also references the International Wildland-Urban Interface Code where applicable.