Largo, FL Noise Ordinances: Decibel Limits (2026)
Key Facts
- Industrial vs. commercial zone
- 72 dBA, no time limit
- Commercial vs. commercial zone
- 66 dBA, no time limit
- Industrial to residential (daytime)
- 66 dBA, 7 a.m.-6 p.m. Mon-Sat
- Commercial to residential (daytime)
- 60 dBA, 7 a.m.-6 p.m. Mon-Sat
- Nighttime/Sunday to residential
- 55 dBA flat limit
- Impulsive noise bonus
- +10 dBA daytime only
Summary
Largo caps noise from industrial and commercial zones by table: 72 dBA for industrial and 66 dBA for commercial sources when adjoining another commercial zone, dropping to 66 and 60 dBA respectively next to a residential zone during the day, and 55 dBA at night, under City Code § 11-116.
(a)No noise shall be created or permitted to be created in an industrial or commercial zone which exceeds those levels given in table 1... Industrial 72 dBA / 66 dBA; Commercial 66 dBA / 60 dBA. The maximum permitted noise level emanating from a commercially or industrially zoned district, measured at the nearest adjacent residentially zoned property line for the hours between 6:00 p.m. and 7:00 a.m., Monday through Saturday and during all hours of Sunday, shall be 55 dBA.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 18 | Comprehensive Development Code: Supplement 18).
Full Breakdown
Section 11-116 sets numeric decibel ceilings, measured at the adjacent property line, for noise coming from industrial or commercial zones. , Monday through Saturday. A commercial source is held to 66 dBA against another commercial zone and 60 dBA against a residential zone during the same daytime hours. on weekdays, or at any time on Sunday, drops to a flat 55 dBA regardless of the source zone. or Sunday period. Subsection (c) lets the city manager waive the table's limits where an activity is too important to public welfare, health or safety to shut down, and separately grandfathers a business that finds itself newly adjoining a residential zone through encroaching development or rezoning, in that case the industrial-commercial boundary standard keeps applying rather than the tighter residential one. 5, 63, 125, 250 and 500 Hertz center frequencies for any source detectable on an adjacent parcel.
Violations & Fines
A reading above the Table 1 threshold, confirmed with a type-2 sound level meter meeting ANSI Standard S1-4, is a noise-article violation punishable under Chapter 9's general penalty schedule, referenced by Section 11-122. Businesses that were operating in an industrial or commercial zone before January 31, 2000 may seek a city-manager waiver under Section 11-114 rather than face repeated citations, but the waiver runs a maximum of 180 days per grant and any denial can be appealed to the city commission within 30 days.
Frequently Asked Questions
How loud can a Largo factory be next to a house?
Do commercial businesses get a louder daytime allowance than residential neighbors nearby?
Can a business get an exception to the Largo noise table?
Sources & Official References
Other rules in Largo
Florida rules heatmap·Compare Largo to another location·View the Florida noise ordinances overview
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Decibel Limits in Nearby Cities
How other cities in Pinellas County handle decibel limits.