3 rules for unincorporated Lake County, Illinois.
Verified from official government sources
Political signs are broadly protected as political speech under the First Amendment and Reed v. Town of Gilbert (2015). Lake County and municipalities like Libertyville, Gurnee, and Highland Park allow unlimited quantity on private property; most cap size at 6-32 sq ft and prohibit right-of-way placement.
Garage sale signs allowed on private property in Lake County cities. Waukegan, Libertyville, and Gurnee prohibit signs on utility poles, traffic signs, and public right-of-way. Most caps: 4-6 sq ft, posted 24-48 hours before, removed 24 hours after sale.
Lake County and its municipalities permit holiday decorations on residential property with minimal restrictions. Displays cannot obstruct sight lines, create fire/electrical hazards, or violate noise ordinances. Typical allowed window: 45 days before to 30 days after the holiday.
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