Permit Requirements in Chicago, IL (2026)
4 verified permit requirements rules for Chicago, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
Shed & Outbuilding Permits
In Chicago, sheds 70 square feet or larger require building permits. Smaller sheds under 70 sq ft are exempt. All sheds must comply with zoning setback and lot coverage requirements. The 10-day aldermanic notification period applies to shed permits but may be waived.
Chicago Shed Permit Requirements
Some RestrictionsFence Permits
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.
Chicago Fence Permit Requirements
Some RestrictionsDeck & Patio Permits
Chicago requires building permits for porches and decks that are 50 sq ft or larger OR more than 6 feet above grade. At-grade patios (concrete, pavers) may be exempt. The 10-day aldermanic notification period applies. All decks must comply with zoning setback requirements.
Chicago Deck and Patio Permit Requirements
Some RestrictionsRenovation Permits
Most renovation work in Chicago requires a building permit from the Department of Buildings. Permits are required for new construction, major repairs, alterations, additions, and renovations. Cosmetic work (painting, flooring) is exempt. Permit fees are calculated based on project valuation.
Chicago Renovation Permit Requirements
Some RestrictionsLooking for Cook County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Chicago city rules.
Permit Requirements in Cook County →