Naperville, IL Sign Regulations: Garage Sale Signs (2026)
Key Facts
- Max sign area
- 6 square feet per sign
- Max height
- 5 feet incl. support structure
- Permit
- Not required for exempt signs
- Illumination
- Non-illuminated only
Summary
Naperville caps temporary non-commercial signs like garage-sale placards at 6 square feet and 5 feet tall, with no permit required for wall or ground-mounted versions on residential property.
In addition to the signs noted specifically in this Section, each property is allowed temporary non-commercial, non-illuminated wall and ground mounted temporary signs subject to the following requirements: 1.7.1 Sign area per individual sign shall be a maximum of six (6) square feet. 1.7.2 Sign height shall be a maximum of five (5) feet, including any support structure.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 101).
Full Breakdown
Naperville's sign code treats yard-sale placards as exempt temporary non-commercial signs under Naperville Municipal Code § 6-16-4(1.7): each residential property may display wall or ground-mounted temporary signs up to 6 square feet in area and 5 feet in height, including any support structure. No permit is required, but the sign must stay non-illuminated, and the size cap applies per individual sign, not per event.
Violations & Fines
Oversized, illuminated, or right-of-way signs violate Naperville's residential sign chapter and are subject to removal and a code enforcement citation from the Zoning Administrator.
Frequently Asked Questions
Do I need a permit for a garage sale sign in Naperville?
How big can my garage sale sign be?
Sources & Official References
Other rules in Naperville
Compare Naperville to another location·View the Illinois sign regulations overview
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