Someone else’s parcel at your door? Here’s what to do

Couriers are paid by the drop, not by the accuracy. Sooner or later a box with a stranger’s name lands on your mat, or yours lands on theirs. It’s a five-minute problem with a right way and several wrong ways to solve it.

Updated 9 September 2026

Pass on a parcel, step two: the picked neighbor Red Bike with Change, ready-made note chips such as It’s at ours, ring anytime, and the Let them know button. — Pass on a parcel, step two: the picked neighbor, a ready-made note, Let them know.

First: don’t open it

If the label clearly names someone else, the contents are not yours to inspect. In most countries, knowingly opening or keeping post addressed to another person is an offence: not one anyone is likely to prosecute a confused neighbor for, but the rule points the right way anyway. Opened it before you noticed? That happens to everyone. Reseal it, add a sticky note (“opened by mistake at no. 12, sorry!”) and carry on with the steps below. Honesty defuses the whole thing.

Read the label like a detective

Most “mysteries” dissolve at this step. Check, in order:

The street number. The classic miss is one digit: 47 delivered to 74, or your building’s A/B staircases swapped.
The street itself. Many towns have a Church Lane and a Church Road. The postcode settles it.
The name. A previous tenant? A subletter? The person may live behind your own front door’s other bell.

If the address is genuinely yours but the name isn’t, the sender used a wrong address; that one goes back to the carrier, not to a neighbor.

Getting it to the right door

If the right door is nearby, the neighborly move is a knock. Nobody is home in the middle of a weekday, though, so have a fallback:

A note through their letterbox beats a parcel left in the rain: “Your parcel is safe at no. 12. Ring anytime after five.”
The building’s caretaker or concierge, if there is one, exists for exactly this.
A neighborhood app reaches the person even when they’re at work, and saves the third trip to a dark doorway.

If you accepted it, you’ve taken on a small duty

Signing for a neighbor’s parcel creates a light duty of care: keep it dry, keep it reasonably safe, and make an honest attempt to pass it on. It does not make you a permanent parcel locker, and you’re always allowed to refuse a delivery for someone else in the first place. A cheerful “sorry, I can’t take that today” is fine.

When you can’t find them

After a real attempt (a knock, a note, a day or two of waiting), give the parcel back to the system that lost it. Every major carrier has a misdelivery route: writing “return to sender: misdelivered” on an unopened parcel and handing it to any driver or drop-off point does most of the work. The sender gets a scan event, the buyer gets a reshipment, and you get your hallway back.

When it’s your parcel at someone else’s door

The mirror case is worth knowing too. The tracking page says “delivered”, your mat says otherwise. Before the angry call: check your own building’s other doors and the neighbors either side; the photo in the tracking app often shows a doormat that isn’t yours but is ten meters away. Then ask the sender (not the courier) for a trace; the seller has the contract with the carrier, and consumer law in many places (explicitly in the EU and UK, and in practice via FTC rules and card-network chargeback rights in North America) puts non-delivery squarely on the seller until the parcel is actually in your hands.

In the app

Parcel passing is two steps here: Whose parcel is it? Pick the neighbor, add a note, Let them know: no name, no phone number, no note taped to the mailbox.

Questions this guide answers

Can I open a parcel that was delivered to me by mistake?

No: if the label clearly names someone else, don’t open it. In most countries knowingly opening or keeping someone else’s post is an offence. If you opened it before noticing (it happens), reseal it, add a short note saying so, and get it to the named person or back to the carrier.

Am I obliged to look after a neighbor’s parcel a courier left with me?

If you accepted it, you’ve taken on a light duty of care: keep it dry and reasonably safe, and make an honest attempt to get it to its owner or back to the carrier. You are not obliged to accept a delivery for someone else in the first place; a simple ‘sorry, I can’t take that’ is always allowed.

What if I can’t find the person the parcel is addressed to?

After a genuine attempt (a note on their door, a word with the building’s caretaker, a message on a neighborhood app), hand it back to the carrier. Every major courier has a misdelivery process; ‘return to sender: misdelivered’ written on an unopened parcel does most of the work.

The two-step version

Kylala (a free, private neighborhood app) has a sheet for exactly this moment. Whose parcel is it? Pick the neighbor from the list of people nearby. Add a note, typed or ready-made (“It’s at ours, ring anytime”), and Let them know. A conversation opens with them; it starts with “A parcel for you ended up with me.”, then your note, and it lands in their Messages: a row in Notifications, and a ring if they asked for one. No phone numbers exchanged, no group chat to join, no real name required. It works in any browser. Try Kylala, it’s free.

Step onto the street

More field guides: having your home watched while you’re away, borrowing instead of buying, or actually meeting your neighbors.