Chicago requires building permits for all fences regardless of height. The Chicago Zoning Ordinance limits front yard fences to 5 feet and rear/side fences to 6 feet. A 10-day aldermanic notification period is required but may be waived. Permit fees vary by project.
Unlike many cities that exempt shorter fences, Chicago requires building permits for all fence construction. The Chicago Zoning Ordinance (17-8-0110) sets height limits: 5 feet maximum in front yards, 6 feet maximum in side and rear yards. Corner lots must maintain visibility at intersections. The 10-day aldermanic notification period is required before permit issuance, giving the alderman time to review plans, though this can be waived. Permit applications are submitted through the City's online permitting portal. Fence materials are generally unrestricted in residential areas, but landmark districts may have additional design requirements. Barbed wire is prohibited in residential zones. Swimming pool barrier fences must meet International Residential Code requirements. Permit fees are calculated based on project scope and can be estimated using the City's fee calculator.
Building a fence without a permit is a violation with fines from $500 to $1,000 per day. Fences exceeding zoning height limits may be ordered removed or modified. Encroaching on public right-of-way results in removal at the owner's expense.
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Side-by-side rule comparisons with other cities in Cook County.
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