If you’ve just moved into a new home or apartment and don’t have a mailbox key, you’re not alone. Many people are unsure how to get a mailbox key from the post office, especially when dealing with community mailboxes or cluster box units (CBUs). Getting your key is a straightforward process, but there are specific steps and requirements depending on your situation.
In this guide, we’ll walk you through everything you need to know—from requesting a new mailbox key to what to do if your key is lost or stolen. Whether you’re a new tenant, homeowner, or just need a replacement, this article will help you handle it with confidence.
Understanding Mailbox Ownership
Before you can request a mailbox key, you need to determine who owns and maintains your mailbox:
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USPS-owned mailbox: These are typically part of centralized mail delivery systems like CBUs or wall-mounted boxes in apartment complexes.
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Privately-owned mailbox: If you have an individual curbside or wall-mounted mailbox, it's considered your property, and you are responsible for the keys.
If you’re unsure who owns your mailbox, contact your local post office or property management office for clarification.
How to Get a Mailbox Key from the Post Office
Step 1: Locate Your Nearest Post Office
Use the USPS Locator to find your local post office. You must contact the branch that services your address, not just any nearby USPS location.
Step 2: Provide Proof of Residency
To request a new mailbox key, you'll need to bring:
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A valid photo ID (driver’s license, passport, or state ID)
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Proof of address (lease agreement, utility bill, or deed)
Make sure the documents match the address of the mailbox you're trying to access.
Step 3: Fill Out USPS Form 1094
The USPS requires Form 1094 – Application for Keys or Lock Change for requesting a new key. You can fill this out at the post office or bring a completed version.
This form includes your name, address, and the reason for your key request (e.g., new resident, lost key, broken lock).
Step 4: Pay the Applicable Fee
If you’re requesting a replacement key or a lock change, USPS typically charges a non-refundable fee (usually around $20–$35). New residents may receive the first set of keys for free.
Prices may vary by location, so confirm with your local post office.
Step 5: Wait for Key Pickup
Once your request is processed, USPS will create a new key and notify you when it’s ready for pickup—usually within 3 to 10 business days. You’ll be asked to sign for it when collecting.
What to Do If You’ve Lost Your Mailbox Key
If your mailbox key is lost or stolen:
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Report it immediately to your local post office.
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Request a lock change (this ensures no one else can access your mail).
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Fill out Form 1094 and pay the lock replacement fee.
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Wait for the USPS technician to change the lock—usually within 5–10 business days.
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Pick up your new set of keys once notified.
Note: USPS typically provides two keys with a lock change. If you need extras, you may need to make copies yourself.
What If You Live in an Apartment?
In many apartment complexes, the property management or landlord handles mailbox keys, not the USPS. In that case:
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Contact the leasing office first.
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If they instruct you to go to USPS, confirm that your mailbox is USPS-owned.
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If the lock is managed by USPS, follow the same process listed above.
Tip: If the apartment is new construction or recently changed hands, USPS may require proof that you’re the current tenant.
Alternatives to Visiting the Post Office
In some areas, USPS offers limited services online or over the phone. However, getting a mailbox key requires in-person verification due to security protocols.
Avoid third-party websites offering key services—they are often scams or not affiliated with USPS.
Tips for Managing Mailbox Keys
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Keep a spare key in a safe location.
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Label your key to avoid mixing it with other keys.
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Don’t share your key with others unless necessary.
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Report lost keys immediately to protect your mail and identity.
If you own your mailbox, you can install your own mailbox lock with key from a hardware store or order one online.
FAQ
How long does it take to get a mailbox key from the post office?
Usually between 3–10 business days, depending on your location and whether a lock change is needed.
How much does it cost to get a new mailbox key?
Fees range from $20 to $35, depending on the post office and whether a lock replacement is required.
Can I make a copy of my USPS mailbox key?
No. USPS mailbox keys are stamped “Do Not Duplicate.” You must request replacements through your local post office.
What if I move into a new house and there’s no key?
Visit your local post office with proof of residency. If the mailbox is USPS-owned, they’ll help you get a new lock and keys.
Can the post office open my mailbox for me?
Yes, but only if you provide valid ID and proof of residence. They can open the box or schedule a lock change.
Can I install my own lock?
Only if the mailbox is privately owned. For USPS-owned boxes, only USPS technicians can install or replace locks.
Final Thoughts
Learning how to get a mailbox key from the post office is crucial for accessing your mail safely and securely. Whether you're a new homeowner, renter, or someone who has misplaced your key, the USPS has a clear process in place to help you regain access.
Always bring valid ID and proof of address, and be prepared to wait a few days for the key or lock change. With a little preparation, you’ll have your new key in hand and your mailbox ready for secure, uninterrupted delivery.