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Nassau County, FL Sign Regulations: Window Signs (2026)

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

Key Facts

Governing sections
LDC §§ 30.03(O), 30.05
Window sign definition
Visible from ROW; excludes merchandise
Neon window sign size cap
12 in. by 24 in.
Other neon/fiber optic signage
Banned outright
Enforcing agency
Planning and Economic Opportunity Department

Summary

Nassau County defines a window sign broadly under Land Development Code § 30.05 as anything visible from the right-of-way through a window or door, then draws one narrow exception in § 30.03(O): a neon window sign can't exceed 12 inches by 24 inches, since neon and fiber-optic signage is otherwise banned outright.

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

(O)Neon tube lighting or fiber optics in signage. This includes neon signage placed in storefront windows that may be seen from the roadway. Neon window signs not exceeding an aggregate of twelve (12) inches by twenty-four (24) inches are allowed as the sole exception to this rule. ... Window signs means any sign placed on the inside or outside of any window of any building or door and which is visible from any public right-of-way. This does not include merchandise on display.

View official code

Full Breakdown

05, defines "window signs" as "any sign placed on the inside or outside of any window of any building or door and which is visible from any public right-of-way," but specifically excludes merchandise on display from that definition, so a storefront display of products isn't treated as signage requiring a permit. 03, falls outside that narrow allowance. Because window signs are otherwise defined rather than separately capped by area elsewhere in Article 30, a retailer's paper, vinyl or painted window signage is regulated chiefly through the definition and the general prohibited-sign list, while only the neon category carries its own numeric size ceiling. Both provisions were adopted together by Ordinance No. 2025-020 on July 28, 2025.

Violations & Fines

A neon window sign larger than the twelve-by-twenty-four-inch allowance in § 30.03(O), or any other prohibited sign type displayed in a window, is enforced the same way as other Article 30 violations: the Planning and Economic Opportunity Department can refer it to the special magistrate, who under Code § 1-61 may fine a first violation up to $1,000 per day and a repeat violation up to $5,000 per day.

Frequently Asked Questions

How big can a neon sign be in a Nassau County storefront window?
Section 30.03(O) allows a neon window sign only up to an aggregate of twelve inches by twenty-four inches; the code calls this "the sole exception" to its outright ban on neon tube lighting and fiber optics in signage anywhere else in unincorporated Nassau County.
Does displaying merchandise in a storefront window count as a sign?
No. Section 30.05 defines "window signs" to cover any sign visible through a window from the public right-of-way but expressly states "this does not include merchandise on display," so a retailer can arrange products in the window without triggering sign regulations.
Is any illuminated window signage other than the small neon exception allowed?
No. Section 30.03(O) bans neon tube lighting and fiber optics in signage altogether, with the twelve-by-twenty-four-inch neon window sign as the only stated exception, so other illuminated window sign formats are evaluated against the rest of Article 30's prohibited-sign list.
Which department enforces the window sign size limit?
The Planning and Economic Opportunity Department administers Article 30's sign regulations, including § 30.03(O)'s neon size limit, and can refer a violation to the special magistrate for the Code § 1-61 fines that apply to other zoning violations.

Sources & Official References

Other rules in Nassau County

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All Nassau County rules

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