Mount Pleasant, SC Sign Regulations: Window Signs (2026)
Key Facts
- Governing section
- § 156.826(H)
- Window signs
- Count toward attached sign area
- Interior displays visible outside
- Also count
- Exempt band
- 1 row of copy, up to 6 in., top/bottom
- Enforcing agency
- Zoning Administrator
- Penalty
- Up to $500 fine / 30 days jail
Summary
Window signs in the Town of Mount Pleasant count against a business's total attached sign area allowance under Town Code § 156.826(H). Any sign or interior store display visible through the glass counts toward the same square-footage cap as wall and awning signs, except a single row of copy up to six inches tall along the top or bottom of each ground-level display window.
(H) Window signs. (1) Definition. A permanent sign posted, painted, placed, or affixed to the inside or outside of a window or glass door. (2) Sign area allowance calculation. Window signs and interior store signs visible to the outside, will be included as part of the attached sign area calculation. (3) Exception for sign area allowance calculation. However, a single row of copy, not exceeding six inches in height, located on the top or bottom of each ground level display window, will not be included in the attached sign area calculation.
Full Breakdown
826(H), part of Chapter 156's Subchapter G, Part 2 (Sign Standards), defines a window sign as a permanent sign posted, painted, placed, or affixed to the inside or outside of a window or glass door. 826. 826(F)(4)(b). 825-1 and related sections allow for that use and district. The rule was adopted in the town's 1-14-2025 zoning rewrite and is administered by the Planning, Land Use and Neighborhoods Department.
Violations & Fines
Displaying window or interior signage that pushes a storefront's total attached sign area over its allowed maximum is a Chapter 156 sign violation enforced under §§ 156.1576-156.1577: a misdemeanor with a fine of not more than $500 and/or imprisonment for not more than 30 days, each day a separate offense. The Zoning Administrator sends written notice describing the excess signage and allows a minimum 15-business-day cure period before pursuing further enforcement.
Frequently Asked Questions
Do window signs count against my total sign allowance in Mount Pleasant?
Is any window signage exempt from the area calculation?
Does a poster taped inside my store window count as a sign?
Sources & Official References
Other rules in Mount Pleasant
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Window Signs in Nearby Cities
How other cities in Charleston County handle window signs.