Naperville, IL Noise Ordinances: Construction Hours (2026)
Construction hours in Naperville, IL, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Sundays & holidays
- No construction noise allowed at all
- Saturday hours
- 8:00 a.m. to 4:00 p.m. only
- Weekday nighttime cutoff
- 7 p.m.-7 a.m. within 1,000 ft of homes
- First-offense fine
- $250, rising to $1,000
Summary
Naperville bars all construction noise on Sundays and six major holidays, caps Saturday work to 8 a.m.-4 p.m., and ties weekday hours to the citywide nighttime noise rule barring work near homes after 7 p.m.
It shall be unlawful to allow or permit any building or construction operations...on private property at any time on Sundays and New Year's Day, Memorial Day, 4th of July, Labor Day, Thanksgiving Day, and Christmas Day. Construction activity for Monday through Friday shall be in conformance with the regulations listed in Subsection 6-14-4.1 of this Code. However, construction hours on Saturdays shall only occur between the hours of eight o'clock (8:00) a.m. and four o'clock (4:00) p.m.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 101).
Full Breakdown
City Code § 5-2B-8.5 bans all building or construction operations - including equipment deliveries and machinery noise - on private property at any time on Sundays, New Year's Day, Memorial Day, the Fourth of July, Labor Day, Thanksgiving, and Christmas. Saturday work is limited to 8:00 a.m. to 4:00 p.m. Monday-through-Friday hours follow § 6-14-4.1, which under § 6-14-4.1.2.1 bars nighttime building or construction operations between 7:00 p.m. and 7:00 a.m. within 1,000 feet of a residence, and between 10:00 p.m. and 7:00 a.m. everywhere else in the city. Work in the public right-of-way is exempt from these hour limits.
Violations & Fines
Violations carry escalating fines under § 5-2B-8.7: $250 for a first offense, $500 for a second, and $1,000 for a third and later offenses at the same site; each day is a separate offense.
Frequently Asked Questions
Can contractors work on Naperville construction sites on Sunday?
What are Saturday construction hours in Naperville?
Sources & Official References
Other rules in Naperville
How Naperville compares: Cities with the Strictest Construction Hours·Compare Naperville to another location·View the Illinois noise ordinances overview
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