How to transfer your mailing address to a Chicago apartment

Transferring your mailing address to a Chicago apartment is a two-part job: one USPS change-of-address request, then a round of updates to the accounts that don't automatically follow your mail. Most renters have forwarding active within a week and every account switched over inside two weeks, but government IDs and voter registration need separate action USPS never touches.

Why this matters

A missed mailing address transfer means bills, tax documents, and packages land at the wrong door for months, not days. Chicago's older buildings and new high-rises both route mail differently depending on whether they use traditional mailboxes or a package locker system, and getting the unit number wrong on your USPS request is the single most common reason forwarding fails. Renters relocating into a 308-unit building like Stead 220 at 220 N. Ada Street need to confirm the exact unit designation before submitting anything, since USPS matches records by address string, not building name.

How do you transfer your mailing address to a Chicago apartment?

Follow this order and you avoid the two most common failure points: mismatched unit numbers and accounts that never get the memo.

1. File your USPS change of address at usps.com or at any post office. Online filing carries a $1.10 identity verification fee; in-person filing at a post office counter does not.
2. Update your Illinois driver's license or state ID through the Secretary of State — USPS forwarding has no connection to state records.
3. Notify your bank, credit cards, and employer's payroll or HR system. Financial and tax mail is the highest-risk category to miss.
4. Update your voter registration with the Chicago Board of Election Commissioners if you plan to vote in your new precinct.
5. Redirect subscriptions, insurance carriers, and any medical or prescription accounts individually — none of these pull from the USPS database.
6. Confirm delivery works at the new unit once forwarding kicks in, especially in buildings with a package locker system instead of a traditional mailbox wall.

Build this into a broader move-in checklist so the address change doesn't get lost between booking movers and scheduling utility hookups.

Online change of address: $1.10 fee

Filing through usps.com is the fastest route and the one most renters use in 2026. You enter your old and new address, select a start date, and pay the $1.10 fee, which exists purely to verify identity and prevent mail fraud — it is not a processing or forwarding charge. Confirmation arrives by email within minutes, and a welcome kit typically follows to the new address within a couple of weeks.

In-person change of address: no online fee

Walking into a post office and filling out PS Form 3575 skips the $1.10 charge entirely, but it takes longer since a clerk has to key in the form and there's no instant email confirmation. This route works better for renters without a stable internet connection during a move, or anyone uneasy entering payment details online for a government service.

Why the transfer timeline varies

How fast forwarding actually starts depends on a handful of factors, not all of which are in your control:

• Filing date versus move date — requests filed too close to the move can lag a few days behind your actual arrival.
• Mail class — first-class mail forwards automatically for 12 months; magazines and standard mail have shorter or no forwarding windows.
• Unit number accuracy — a missing or wrong apartment number is the top reason forwarding silently fails.
• Building mail system — high-rises with package lockers route deliveries differently than walk-ups with individual mailboxes, which can add a short lag the first week.
• Holiday mail volume — requests filed during December or around major holidays can see slower processing at local post offices.
• Whether you filed online or in person — online requests process faster because there's no manual data entry step.

How long does USPS mail forwarding last?

USPS forwards first-class mail for 12 months from your filing date, after which unforwarded mail gets returned to sender rather than redirected. Some renters extend coverage with a paid premium forwarding option, but the standard 12-month window covers most lease terms without extra cost.

Do you need to change your address before or after moving day?

File before moving day — USPS accepts change of address requests up to three months in advance, and setting a start date matching your actual move avoids a gap where mail sits undelivered. Filing after you've already moved means anything sent in the interim goes to your old address instead.

What happens if you forget to update your mailing address for a Chicago apartment?

Mail keeps arriving at your old address until someone there forwards it or returns it, which means bills, tax forms, and time-sensitive notices can be delayed by weeks. The fix is filing the USPS change immediately, even late, since forwarding still applies retroactively to any first-class mail still in transit at your old address.

FAQ

One last thing

The detail renters miss most isn't the USPS form — it's the unit number format. Fulton Market high-rises often use letter-number combinations or floor-based unit codes that don't match how the building's website lists the address, and USPS forwarding fails silently when the format doesn't match its records exactly. Copy the unit number character-for-character from your signed lease, not from a listing page, before you file.

Related guides

• How to set up utilities before moving into a Chicago apartment
• How to plan a move-in checklist for a Fulton Market apartment
• Package locker apartments for online shoppers in Fulton Market
• How to apply for an apartment in Fulton Market, Chicago