Columbia, MO Noise Ordinances: Construction Hours (2026)
Construction hours in Columbia, MO, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Weekday hours
- 7 a.m. – 7 p.m.
- Saturday hours
- 9 a.m. – 5 p.m.
- Sunday work
- not permitted by default
- Extension permit
- from director of public works
- Governing section
- § 16-265
Summary
Columbia, Missouri limits noisy building, street and utility construction to 7 a.m.-7 p.m. on weekdays and 9 a.m.-5 p.m. on Saturdays, with no work permitted on Sundays absent a city permit.
Buildings. It shall be unlawful to interfere with or disturb the peace and quiet of neighboring inhabitants by demolishing, constructing, altering or repairing any building or structure other than between the hours of 7:00 a.m. and 7:00 p.m. on weekdays, and between 9:00 a.m. and 5:00 p.m. on Saturdays.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 138).
Full Breakdown
Section 16-265 bars disturbing neighboring inhabitants' peace and quiet by demolishing, constructing, altering or repairing buildings, streets or utilities, or running earthmoving and tree-cutting equipment, outside 7:00 a.m. to 7:00 p.m. on weekdays and 9:00 a.m. to 5:00 p.m. on Saturdays, leaving Sundays off-limits by default. The director of public works may grant a permit extending those hours for a specific project, capped at three days and renewable in three-day increments only on an emergency basis, and only after finding the extension won't harm public health and safety and that real loss or inconvenience would otherwise result.
Violations & Fines
Construction, demolition, excavation or earthmoving noise outside the permitted 7 a.m.-7 p.m. weekday / 9 a.m.-5 p.m. Saturday window, without a public-works permit, is a misdemeanor under § 16-274.
Frequently Asked Questions
What time can construction start in Columbia, MO?
Can a contractor get extended construction hours?
Sources & Official References
Other rules in Columbia
How Columbia compares: Cities with the Strictest Construction Hours·Compare Columbia to another location·View the Missouri noise ordinances overview
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