Noise Ordinances in Seminole County, FL (2026)
8 rules for unincorporated Seminole County, Florida.
Verified from official government sources
Quiet Hours
Unincorporated Seminole County bans any Noise Disturbance under Code Sec. 165.21, and Sec. 165.22's Table 1 cuts the residential sound ceiling from 60 dB(A)/65 dB(C) by day to 55 dB(A)/60 dB(C) between 11:00 p.m. and 7:00 a.m. Violators face up to 60 days in jail, a $500 fine, and Code Enforcement Board citations for each day the noise continues.
Seminole County's Quiet Hours: 55 dB(A) Nighttime Cap
Some RestrictionsSeminole County Code §§ 165.21, 165.22
(a)No Person is permitted to make, maintain, or cause to be made or maintained a Noise Disturbance unless the Sound is exempted in some manner under this Chapter.(c)The acts and circumstances listed in Sections 165.22—165.30 below are declared to be Sound specifically in violation of this Chapter. The enumeration is not exclusive. ... Table 1. A-Weighted and C-Weighted Sound Level Limits: Type ...
Construction Hours
Seminole County's noise ordinance does not set fixed construction start/stop times. Instead, Sec. 165.51(h) exempts 'construction activities proceeding under a valid governmental permit' from Chapter 165 entirely, so permitted job sites are not bound by the 11 p.m.-7 a.m. residential limits.
Construction Under a Valid Permit Is Exempt from Noise Limits
Some RestrictionsSeminole County Code Sec. 165.51(h)
The provisions of this Chapter shall not apply to the sounds from the following sources or causes: ... (h) For construction activities proceeding under a valid governmental permit.
Barking Dogs
Seminole County makes it unlawful for a dog or other animal to bark, howl, screech or make other objectionable noise continuously or repeatedly for more than fifteen minutes if it disturbs a neighbor's peace and quiet. Section 20.19 requires a documented complaint or a notarized affidavit from two residents before animal control can act, and agricultural or licensed commercial kennel properties are exempt.
Seminole County Noisy Animal and Barking Dog Rule
Some RestrictionsSeminole County Code Sec. 20.19
It is unlawful for any animal owner to permit, either willfully or through failure to exercise due care and control, any animal, in a continuing or repeating manner greater than fifteen (15) minutes, to bark, cry, howl, screech, squawk, scream, whine, or cause other objectionable noises that disturb the comfort, peace, quiet, or repose of any person residing in the vicinity. Upon the receipt of...
Leaf Blower Rules
Unincorporated Seminole County bars lawn mowers, edgers, trimmers, and power hedge shears within 500 feet of a home between 11:00 p.m. and 7:00 a.m. under Code Sec. 165.24. Leaf blowers and other power hand tools fall under the broader Sec. 165.25 curfew, which exempts equipment too quiet to be heard beyond the operator's own lot.
Seminole County Curbs Lawn Equipment Noise at Night
Some RestrictionsSeminole County Code §§ 165.24, 165.25
Sec. 165.24. - Lawn maintenance equipment. The operation of lawn mowers, edgers, trimmers, and power-driven hedge shears inside or within five hundred (500) feet of a Residential Use Property is prohibited between the hours of 11:00 p.m. and 7:00 a.m. ... Sec. 165.25. - Power tools. No Person may operate inside or within five hundred (500) feet of a Residential Use Property, any power equipment...
Amplified Music & Outdoor Sound
Seminole County bans any sound-producing or amplification device, indoor or outdoor, that creates a Noise Disturbance under Sections 165.41-165.42, and Section 165.43(b) adds a flat 11:00 p.m. to 7:00 a.m. curfew on commercial outdoor sound amplification in every zone, regardless of decibel reading.
Seminole County Curfews Outdoor Amplified Sound
Some RestrictionsSeminole County Code §§ 165.41-165.43
Sec. 165.41. - Operation of Sound-Producing Devices. It is unlawful for any Person to operate or cause to be operated a Sound-Producing Device that produces a Sound Level that creates a Noise Disturbance. ... Sec. 165.42. - Operation of Indoor Sound Amplification Devices. It is unlawful for any Person to operate or cause to be operated an Indoor Sound Amplification Device that produces a Sound ...
Aircraft Noise
Unincorporated Seminole County has no local decibel limit for aircraft. Section 165.51(b) exempts 'Aircraft and airport activity conducted in accordance with federal laws and regulations' from every rule in Chapter 165, leaving the FAA, not the county's Code Enforcement Division, as the sole regulator of airplane and helicopter noise overhead.
Seminole County Exempts Aircraft From Its Noise Rules
Few RestrictionsSeminole County Code § 165.51(b)
Sec. 165.51. - Exemptions. The provisions of this Chapter do not apply to the Sound from any of the following sources or causes: (a)Railway locomotives or cars.(b)Aircraft and airport activity conducted in accordance with federal laws and regulations.(c)Maintenance of public service facilities.(d)Law enforcement and public safety activities, including training.(e)Motor Vehicles operating on a p...
Decibel Limits
Seminole County's Land Development Code (Sec. 30.1302) sets maximum sound levels measured at the property line, using octave-band decibel limits that fall from 68 dB at 31.5 Hz to 17 dB at 8,000 Hz along a residential boundary, and higher limits along commercial/industrial boundaries.
Land Development Code Sets Octave-Band Decibel Limits at the Property Line
Some RestrictionsSeminole County Land Development Code Sec. 30.1302
Sound levels may be measured at any point on the property line on which the use is located with a sound-level meter and associated octave-band filter manufactured according to standards prescribed by The American Standards Association.
Vehicle Noise
Seminole County's noise code treats a defective muffler, a modified engine, and tire screeching as a Noise Disturbance under Sections 165.28-165.29, banning repair, rebuilding, or testing of a loud vehicle within a residential area from 11:00 p.m. to 7:00 a.m. Section 165.30 separately bars unnecessary horn, siren, or bell use at any hour.
Seminole County Bans Loud Mufflers, Horns, Tire Squeals
Some RestrictionsSeminole County Code §§ 165.28-165.30
Sec. 165.28. - Tire screeching. The intentional or repeated creation of a Noise Disturbance through the acceleration, turning, or stopping of any Motor Vehicle is prohibited. ... Sec. 165.29. - Vehicle defects; repair and testing of Vehicle motors. (a)No Person may operate a Motor Vehicle or Watercraft that is out of repair, defective, or under any condition of load, acceleration, or decelerati...
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