Chicago, Illinois Building Permit FAQ
Answers to the most frequently asked building permit questions for Chicago, Illinois. Based on data from the Chicago Development Services Department.
Do I need a building permit in Chicago?
Building permit requirements in Chicago, Illinois depend on the project type and size. Sheds over 100 sq ft typically require a permit. Attached decks almost always require a permit. Pools require permits in virtually every city. Use our free permit quiz to check your specific project.
How much do building permits cost in Chicago?
Permit fees in Chicago vary by project: Shed: $100-$350, Fence: $50-$100, Deck: $125-$450, Pool: $250-$700. Use our cost estimator for detailed estimates.
What size shed can I build without a permit in Chicago?
In Chicago, sheds under 100 sq ft typically do not require a building permit. Setback rules (2ft from side lines) still apply. View full Chicago shed rules.
Do I need a permit for a fence in Chicago?
In Chicago, fence permit requirements are conditional based on height and location. Height limit: 5 ft. View full Chicago fence rules.
Do I need a permit for a deck in Chicago?
In Chicago, deck permit requirements depend on the project specifics. Fees: $125-$450. View full Chicago deck rules.
Do I need a permit for a pool in Chicago?
Chicago requires building permits for all swimming pool construction. Fees range from $250-$700. Separate electrical and plumbing permits are also required. View full Chicago pool rules.
Do I need a permit for a pergola in Chicago?
In Chicago, pergola permits depend on roof type, size, and attachment. Structures over 200 sq ft need a permit. View full Chicago pergola rules.
What happens if I build without a permit in Chicago?
Building without a required permit in Chicago can result in fines of $200-$10,000+, stop-work orders, required demolition, retroactive permits at double cost, home sale complications, and insurance claim denials. Read the full guide.