Noise from Specific Sources in Williamson County, TN (2026)
2 county-level rules, plus city-specific rules for 1 city in Williamson County, Tennessee.
Verified from official government sources
HVAC & Mechanical Noise
Continuous mechanical noise, such as rooftop condensers, compressors and chillers on covered commercial, industrial or institutional uses, is capped by Williamson County's Zoning Ordinance at 60 dBA by day and 55 or 50 dBA at night when it reaches a neighboring house. The county does not name HVAC units specifically; they fall under the ordinance's generic "Non-Sound Production Devices" category.
Williamson County Mechanical Equipment Noise Limits
Some RestrictionsWilliamson County, TN, Zoning Ordinance Sec. 16.02(B)(1)
(B) GENERAL STANDARDS (1) Sounds produced by, generated on or associated with the uses outlined in Section 16.02(A) above, other than sounds produced by Sound Production Devices, shall not exceed the A-weighted 10-minute Leq (slow response) limits listed in Table 16:02-1: Maximum Noise Standards-Non-Sound Production when measured outdoors anywhere within the Receiving Property boundaries.
Bar & Nightclub Noise
Bars, taverns and other Eating and Drinking Establishments in unincorporated Williamson County must keep amplified sound within numeric decibel caps under the Zoning Ordinance's noise standards. Speakers, PA systems and other Sound Production Devices tied to these uses cannot exceed 75 dBC on commercial receiving land or 70 dBC by day, dropping to 65 or 60 dBC at night, at a neighboring home.
Williamson County Bar and Nightclub Noise Limits
Some RestrictionsWilliamson County, TN, Zoning Ordinance Sec. 16.02(A)(6), (B)(2)
(A) APPLICABILITY The standards of this Section shall apply to the following: ... (6) All uses in the Eating and Drinking Establishments Use Category; ... (B) GENERAL STANDARDS ... (2) Sounds produced by Sound Production Devices generated on or associated with the uses outlined in Section 16.02(A) above, shall not exceed the C-weighted 10-minute Leq (fast response) limits listed in Table 16.02-...
Noise from Specific Sources by City in Williamson County
1 cities in Williamson County have their own noise from specific sources rules. Each link goes to that city's dedicated page with code citations.
All Williamson County ordinances
See every category we cover for Williamson County: parking, noise, fences, fires, animals, pools, and more.
Williamson County Ordinance Hub →