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Union County, NC Noise Ordinances: Decibel Limits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Decibel cap
65 dB at nearest R-zoned lot line
Paired lighting cap
0.5 foot-candle at same line
Minor-use distance option
200 feet from R-zoned lot
Major-use distance option
500 feet from R-zoned lot
Major uses also need
Special use permit + operating plan

Summary

In unincorporated Union County, an outdoor entertainment or spectator-sports use sited less than 200 feet (minor) or 500 feet (major) from a residential-zoned lot must keep amplified audio under 65 decibels at the nearest residential property line, one of the two ways the Unified Development Ordinance lets it satisfy the required buffer.

These county ordinances apply to unincorporated areas of Union County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Proposed minor outdoor entertainment and spectator sports uses proposed to be located in R districts must meet one of the following conditions: a. Be separated by a distance of at least 200 feet from any other R zoned lot or; b. Demonstrate that if a distance of less than 200 feet exists to the nearest R zoned lot, the following can be met at the proposed location: i. Amplified audio levels will be maintained below 65 db; measured at the nearest R zoned lot property line. ii. Lighting, as described in Section 55.130, will measure at or below 0.5 foot-candle; measured at the nearest R zoned lot property line.

Full Breakdown

080 of the Union County Unified Development Ordinance splits outdoor entertainment and spectator sports into minor and major categories, each with the same alternative-compliance structure in residential (R) districts. 5 foot-candle, both measured at the nearest R-zoned lot's property line. A major outdoor entertainment or spectator-sports use faces the same test at a 500-foot threshold instead of 200 feet. 130, disclosed hours of operation, projected attendance, and a list of anything sold on-site such as food or souvenirs. This is the only numeric decibel standard in the county's land-use code; it governs siting of entertainment and sports venues near residential zoning, not a general noise limit for all properties.

Violations & Fines

Building or operating a minor or major outdoor entertainment/spectator-sports use that fails both the distance option and the 65-decibel/0.5-foot-candle alternative is a UDO violation enforced under Article 95: a misdemeanor with a fine up to $500 or 30 days' imprisonment under NCGS 14-4, or an escalating civil citation schedule of $50, $200, then $500, with each day counted separately. The Administrator can also deny or revoke related permits and the county can seek an injunction.

Frequently Asked Questions

Is there a countywide decibel limit in Union County?
Not a general one. The only numeric decibel standard in the Unified Development Ordinance applies to outdoor entertainment and spectator-sports venues sited near residential zoning, capping amplified audio at 65 decibels at the nearest residential lot line under Section 30.080.
How far must an outdoor concert venue be from homes in Union County?
A minor outdoor entertainment use needs 200 feet from any residential-zoned lot, and a major use needs 500 feet, unless it instead holds amplified audio under 65 decibels and lighting at or below 0.5 foot-candle at that lot line.
Does a major outdoor sports facility need a permit in Union County?
Yes. It needs special use approval from the land use board, supported by a site plan, noise and traffic control measures, a lighting plan, and disclosed hours of operation, in addition to meeting the distance or decibel standard.

Sources & Official References

Other rules in Union County

All Union County rules

Compare Union County to another location·View the North Carolina noise ordinances overview

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