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Noise from Specific Sources in Fairfax County, VA (2026)

3 rules for unincorporated Fairfax County, Virginia.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Fairfax County. If you live within an incorporated city, that city's own rules apply: see the city list below.

HVAC & Mechanical Noise

Residential heat pumps, AC units and pool pumps are exempt from Fairfax County's noise ordinance if run to manufacturer specs.

Fairfax County HVAC Noise Exemption

Few Restrictions

Fairfax County, VA, Code of Ordinances § 108.1-5-1(h)

(h)Mechanical equipment, to include heat pumps, air conditioners and swimming pool pumps, located on property containing single family detached or attached residential dwellings that is operating in accordance with the manufacturer's specifications and serves the dwelling and/or permitted accessory structure.(i)Activities associated with the removal of snow and/or ice from walkways, parking are...

Generator Noise

Fairfax County's noise ordinance carves out backup generators in § 108.1-5-1(g). Running one during a power outage caused by a storm or other emergency is exempt at any hour, while routine testing and maintenance is exempt only between 7 a.m. and 9 p.m. and only up to two hours in any one day.

Fairfax County Backup Generator Noise Rules

Light Restrictions

Fairfax County, VA, Code of Ordinances § 108.1-5-1(g)

(g)Back-up generators subject to the following:(1)The operation of back-up generators during power outages resulting from storms and other emergencies.(2)The routine testing and maintenance of back-up generators provided that such activity occurs between 7 a.m. and 9 p.m. and the routine testing shall not occur for more than two consecutive or non-consecutive hours in any one day... during the ...

Delivery Truck Noise

Fairfax County stops outdoor truck loading and unloading within 100 yards of a home between 9 p.m. and 6 a.m. under the Noise Ordinance.

Fairfax County Truck Loading Noise Curfew

Some Restrictions

Fairfax County Code § 108.1-4-1(g)

Outdoor loading or unloading trucks within 100 yards of a residential dwelling between 9 p.m. and 6 a.m.(h)Unless otherwise addressed by this chapter, the operation of power lawn equipment, including but not limited to lawn mowers, leaf blowers, chain saws, trimmers and edgers:(1)Between 9 p.m. and 7 a.m. when operated within 100 yards from a residential dwelling, or(2)Between 9 p.m. and 6 a.m....

All Fairfax County ordinances

See every category we cover for Fairfax County: parking, noise, fences, fires, animals, pools, and more.

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