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Knoxville, TN Sign Regulations: Window Signs (2026)

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

Key Facts

Status
Exempt from Article 13 sign regulations
Citation
Appendix B, Art. 13, § 13.3(DD)
Ordinance
O-109-2020, § 1, effective 6-30-20
Definition source
Art. 2.3 Definitions, "Window Sign"
Permits
Director of Plans Review issues sign permits
Appeals
Board of Zoning Appeals hears determinations (§ 14.3.B)
Overlay exception
South Waterfront caps window signs at 10% area

Summary

Window signs in Knoxville are carved out of the city's sign code entirely. Knoxville City Code, Appendix B (Zoning Code) § 13.3(DD) lists "Window signs" among the items exempt from Article 13's sign regulations, meaning no permit, no area cap, and no illumination standard applies citywide, though the exemption does not override any other applicable law.

13.3 - SIGNS AND OTHER ITEMS EXEMPT FROM SIGN REGULATIONS The following signs and other items, unless prohibited elsewhere in these regulations, are exempt from the regulations of this Article, but may be subject to other applicable laws and regulations: ... CC.Signs contained on or affixed to vendor push carts.DD.Window signs. (Ord. No. O-109-2020, § 1, 6-30-20)

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 80).

Full Breakdown

4 lists signs that need no permit. " That single line means a sign placed inside a storefront window carries no citywide sign-area cap, no permit requirement, and no illumination standard under Article 13. D-E, but a window sign meeting the definition needs neither. This citywide exemption is not universal: specific overlay and reuse standards impose their own caps where the city has chosen to regulate window signs locally, such as the Knoxville South Waterfront district's 10-percent-of-window-area limit and the neighborhood commercial reuse standard's 20-percent cap. Absent such an overlay, a downtown or neighborhood retailer covering an entire storefront window with signage is not violating Article 13.

Violations & Fines

Because § 13.3(DD) exempts window signs from Article 13, the Director of Plans Review and Building Inspections cannot cite a standard window display for exceeding a sign-area limit that does not apply to it citywide. Enforcement instead targets signs that fall outside the "window sign" definition, such as devices that obscure the interior view or double as illuminated attached signs, which then need a permit under § 14.5.D. A property owner who disputes a Zoning Administrator or Director determination may appeal to the Board of Zoning Appeals under § 14.3.B.

Frequently Asked Questions

Do I need a city permit to put signs in my storefront window in Knoxville?
No. Knoxville City Code, Appendix B (Zoning Code), Art. 13, § 13.3(DD) lists "Window signs" among the items fully exempt from Article 13's sign regulations, which otherwise govern permits, area, and illumination. The Director of Plans Review and Building Inspections, who issues sign permits under § 14.5.D, has no permitting role for signage that meets the window sign definition.
Is there any limit on how much of my window I can cover with signs?
Not under the citywide Article 13 rule; § 13.3(DD) exempts window signs outright. Some specific districts regulate them separately, though: the Knoxville South Waterfront district caps window signage at 10 percent of window area, and the neighborhood commercial reuse standard caps it at 20 percent. Check whether your property sits in one of those overlay or reuse districts before assuming no limit applies.
What exactly counts as a "window sign" under Knoxville's zoning code?
The Article 2.3 definitions describe a window sign as "a type of attached sign placed within a window facing the street or thoroughfare... for the purpose of advertising products, services or the business," which "may be composed of applied letters, symbols, neon or similar lighting, but may not obscure the view of the interior of the building." A display that obscures interior visibility can fall outside that definition and lose the exemption.
Does the § 13.3(DD) exemption mean the city can never regulate my window sign?
No. Section 13.3's preamble states exempt items are excused only "unless prohibited elsewhere in these regulations" and remain "subject to other applicable laws and regulations." A window sign that violates the § 13.2 citywide prohibitions, such as flashing or moving lights, or that sits within a district carrying its own window-sign standard, is still regulated despite the general Article 13 exemption.

Sources & Official References

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