Sign Regulations in Williamson County, TN (2026)
3 county-level rules, plus city-specific rules for 1 city in Williamson County, Tennessee.
Verified from official government sources
Political Signs
Political preference signs are treated as temporary, non-commercial signs under Zoning Ordinance Section 18.08(B). A residential lot may post up to five such signs at once within a combined 30-square-foot cap, but unlike most temporary signs, political signs carry no removal deadline at all under subsection (B)(9).
Williamson County Political Sign Placement Rules
Light RestrictionsWilliamson County, TN, Zoning Ordinance § 18.08(B)(2)-(4), (9)
(2) This category of signs includes, but is not limited to, real estate or auction signs, political preference signs, garage sale signs, baby announcements, lost pet signs, social/special event announcements, or any other non-commercial messages. (3) There shall be a maximum of five temporary, noncommercial message signs, per lot, at any given time. (4) The total sign area of all temporary sign...
Garage Sale Signs
Garage sale signs count as temporary, non-commercial residential signs under Section 18.08(B) of the Zoning Ordinance. A residential lot may display up to five such signs at once, with a combined area cap of 30 square feet, no single sign over 16 square feet, a 6-foot height limit, and a 60-day-per-year display window.
Williamson County Garage Sale Sign Limits and Deadlines
Some RestrictionsWilliamson County, TN, Zoning Ordinance § 18.08(B)(1)-(4), (6)
(1) Temporary, freestanding signs that contain non-commercial messages may be posted on any residential lot at any given time. (2) This category of signs includes, but is not limited to, real estate or auction signs, political preference signs, garage sale signs, baby announcements, lost pet signs, social/special event announcements, or any other non-commercial messages. (3) There shall be a ma...
Digital Billboards
Williamson County bans flashing or revolving lights on any sign in every zoning district and caps how often an electronic message can change. Section 18.05 makes a sign with lights that revolve or flash an outright prohibited sign, and limits message changes to no more than once every two hours or four times in any 24-hour period.
Williamson County Digital Sign Flashing and Frequency Limits
Significant RestrictionsWilliamson County, TN, Zoning Ordinance § 18.05(C)-(D)
Section 18.05:Prohibited Signs The following types of signs are prohibited in all districts: ... (C) Signs that consist of lights that revolve or flash; (D) Signs where the message is changed more frequently than every two hours or four times per 24-hour period; (E) Signs that include air activated graphics or balloons bearing a commercial message; (F) Signs that rotate, revolve, or otherwise m...
Sign Regulations by City in Williamson County
1 cities in Williamson County have their own sign regulations rules. Each link goes to that city's dedicated page with code citations.
All Williamson County ordinances
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