Chicago Balcony Code: Rules for Balconies and Porches

The Chicago balcony code is not a separate rulebook. The City writes its porch rules to cover balconies and decks too, so most of what applies to a back porch applies to a balcony. The big exception is metal.

What does Chicago require for a balcony?

The existing-building maintenance code says exterior stairways, decks, porches and exterior balconies must be maintained structurally sound, in good repair, properly anchored and capable of supporting the imposed loads. Handrails and guards must be firmly fastened and able to carry normally imposed loads (Chicago maintenance standard). The same code lists balconies, including their guards and handrails, among the unsafe exterior conditions when they are not structurally sound or properly anchored (14X exterior maintenance).

In plain terms: a balcony that is rotted, loose from the wall, rusted through or wobbly at the rail can be cited. For how the rail itself is measured, see porch railing height in Chicago.

Balcony versus porch: does the permit rule change?

The City's own pages put them in the same bucket. Its permit guidance covers "porches, decks and balconies" together, and its Express Permit program has a worktype called "Porch, Deck, Balcony, or Fire Escape Repair". The Department of Buildings says a permit is always required to repair or replace structural elements, such as columns, beams, foundations, stringers and floor joists, with plans by an Illinois-licensed architect or structural engineer. Routine maintenance such as painting does not need one (City porch safety page).

Express is for repair of existing structures and in-kind replacement. It is not available for new structures, a different size or location, or work that legalizes something built without a permit (Express porch page). So replacing a rotted balcony floor frame is a permit job. Adding a balcony where none exists is a bigger, plan-based job. For the permit line on porches generally, see Chicago porch permits.

What is different about metal balconies and fire escapes?

Exposed metal structures are on a different clock. Under the code text the City posted in 2019, exposed metal structures such as fire escapes and metal balconies are subject to periodic examination by an Illinois-licensed design professional, first within two years after installation and at least every five years after. The code lets the Department of Buildings decide by rule which classes must file reports, and that rule is not something we could confirm (DOB inspections page and code). If you own an older building with an iron or steel balcony or fire escape, call the Department of Buildings and ask what applies to yours.

The same source says the City does not require a yearly homeowner porch inspection for ordinary residential porches. Inspections follow 311 complaints, other inspections and permit work. See does Chicago inspect porches.

Where to go next

Start with what Chicago code requires for porches, since the balcony rules sit in the same paragraphs. If you have a balcony you are worried about, our porch crew can look at it. The Chicago porch guide covers repair, rebuild and permits end to end.

Common questions

This article explains general rules and common situations in Chicago. It is not legal advice, and City rules change. For a specific property, check with the Chicago Department of Buildings or a licensed professional.