DuPage County, IL Parking Rules: Commercial & Oversized Vehicles (2026)

2 draws a flat line against commercial vehicles in single-family districts: the following vehicles are prohibited from being parked or stored in a residential zoning district, other than for providing service to the property owners residing on the residential property, and the list names abandoned vehicle, commercial vehicle, derelict vehicle, for hire vehicle, junk vehicle, not for hire vehicle, and limousine. The providing service clause is narrow: it covers a delivery truck, contractor's vehicle, or utility truck actually working at the property, not a commercial vehicle parked there because the resident owns or drives it for work.

1, which lets a single-family lot keep up to six passenger vehicles under 10,001 pounds gross vehicle weight, of which only one may be used for off-premise commercial purposes and may carry ladder racks, a toolbox, a snowplow, or a company logo. 1, with the same one-vehicle commercial-use allowance. Both subsections trace back to the same off-street parking framework in Section 37-1200. 2 prohibition regardless of how the vehicle is used once parked, because the rule bans the vehicle class itself rather than capping its size or hours on site.