Posted on July 31, 2026

Finding the right Chicago apartment is exciting, but before handing over a security deposit, it helps to understand exactly what you are paying and why.

A security deposit is money held in connection with your lease. It is different from your monthly rent and may also be different from other charges such as application or move-in fees. Chicago's Residential Landlord and Tenant Ordinance, often called the RLTO, contains specific requirements concerning security deposits and prepaid rent for covered rental properties.

Keep Your Security Deposit Receipt

Documentation matters from the very beginning.

Chicago guidance states that when a landlord receives a security deposit, the tenant must receive a receipt containing information including the owner's name, the date the deposit was received, and a description of the dwelling unit.

Don't throw that receipt into a moving box and forget about it. Keep it with your lease and other important rental records.

A simple digital folder can include:

• Your signed lease

• Security deposit receipt

• Payment confirmations

• Move-in inspection

• Photos or videos of the unit

• Maintenance requests

• Important emails or notices

Take Photos Before Moving Your Furniture In

One of the easiest ways renters can protect themselves is by documenting the apartment before fully moving in.

Walk through each room and photograph existing scratches, stains, cracks, damaged fixtures, or other noticeable conditions. Save the original photos with the date.

The goal isn't to assume there will be a dispute. It's simply to create a clear record of what the apartment looked like when your tenancy began.

What Happens When You Move Out?

For rentals covered by Chicago's ordinance, city guidance says applicable security deposits and required interest, minus permitted amounts such as unpaid rent and qualifying damage expenses, generally must be returned within 45 days after the tenant leaves.

Before moving out, review your lease instead of relying on memory. Complete any required cleaning, remove your belongings, return keys as instructed, document the final condition, and provide necessary forwarding information.

The Renter Takeaway

Treat your security deposit like an important financial record from the first day of your lease until the last.

Know what you're paying, request documentation, photograph the property, save your records, and understand the rules that apply to your specific rental.

A few minutes of organization when you move in can save a lot of confusion when you eventually move out.

Educational information only and not legal advice. Some Chicago rental properties may be exempt from portions of the RLTO, so renters should review current City of Chicago guidance for their situation.