DuPage County, IL Noise Ordinances: Construction Hours (2026)

Night Operations: No construction or alteration operations shall be carried on prior to 7:00 a.m. or after 9:00 p.m., if such produces loud or annoying noises. Construction and/or alteration operations shall not be permitted on Sundays if such produces loud or annoying noises.

B. Sidewalks: No sidewalk shall be obstructed in course of building operations and whenever a removal of a sidewalk is required, such work shall not be done until a special permit is secured from the authority having jurisdiction.

C. Street Use: It shall be unlawful upon any street, parkway, or sidewalk within the county to deposit or store any building materials, tools, apparatus, or structure designed or intended to be used in the erection, construction, alteration, or repair of buildings.

1. It shall be unlawful to mix mortar, concrete or any other material upon the surface of any sidewalk or pavement in the County, or to wash any vehicle or machine incidental to construction on any street right-of-way.

2. Except as otherwise provided in this chapter of this County, the person to whom a building permit is issued shall at all times during the life of the permit, maintain that portion of the street, parkway and sidewalk and a sidewalk abutting upon and adjacent to the lot or tract upon which such building is erected, in a safe condition and clear of all building materials, rubbish, dirt or snow. He shall at no time obstruct