Deck Permit in Chicago, Illinois

Permit required?

Yes, a permit is required.

When a permit is usually needed

Before constructing any new residential deck porch or balcony

Permit cost and what affects it

Fees are set by the locality and are not published here. See the official fee schedule or contact the office for current amounts.

Permit costs generally depend on the project valuation, the scope of work, and the inspections required. Ask the office how the fee is calculated for your specific project.

Official fee schedule

Where to apply

• Official permit page
• Permit portal

Frequently asked questions

Do you need a deck permit in Chicago?

A building permit is required for all new deck and porch construction in Chicago. Chicago has rigorous porch and deck safety requirements. Replacing non-structural elements such as individual deck boards or railing pickets in-kind is exempt if no building violation exists and the deck is 6 feet or less above ground with a landing area of 50 sq ft or less. Always confirm with the Chicago Department of Buildings before starting.

How much does a deck permit cost in Chicago?

Fees are set by Chicago and are not published here. See the official fee schedule for current amounts.

How long does a deck permit take in Chicago?

Processing time for a deck permit in Chicago varies by workload and project scope. Contact the Chicago Department of Buildings for a current estimate.

Where do you apply for a deck permit in Chicago?

You can apply through the Chicago permit portal or contact the Chicago Department of Buildings directly. The links are listed on this page.

Official sources

• https://www.chicago.gov/city/en/depts/bldgs/provdrs/permits.html
• https://www.chicago.gov/city/en/depts/bldgs/supp_info/porch-safety.html