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Top Selling Replacement Keys & Community Mailbox Parts
For Property Manager's, HOA Manager's, Mailbox Custodians, etc.
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Lock Replacement w/ (3) Keys for Cluster Mailboxes$33.30 $27.24Additional Discounts for 2+ units!
Usually ships in 2-4 weeks!
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Standard Locks - Replacement for Salsbury Vertical Mailbox Door with 2 Keys per Lock - 5 Pack$94.47Additional Discounts for 2+ units!
Usually ships within 1-2 days!
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Cam ONLY - Valiant Parcel Locker Replacement Part$12.10 $11.25Additional Discounts for 2+ units!
Usually ships in 1 to 2 weeks!
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Key Blank Compx/National for K91910 Lock w/ Codes 1000Ps-1999Ps Or 3000Ps-3999Ps$3.00 $2.79Additional Discounts for 2+ units!
Usually ships Usually ships in 2-4 weeks.
- Key Blank Compx/National Key Blank for K91910 Lock w/ Codes 2000Ps-2999Ps Or 4000Ps-4999Ps$3.00 $2.79
Additional Discounts for 2+ units!
Usually ships Usually ships in 2-4 weeks.
- Replacement Door - 5 in. H x 6-3/8 in. W (Specify Finish, Lock Type for Preparation Purposes Only, and Id Required)$42.40 $38.14
Additional Discounts for 2+ units!
Usually ships in 1 to 2 weeks!
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- Hold Open Device Kit for Front Mld (Master Load Door)$9.10 $8.36
Additional Discounts for 2+ units!
Usually ships in 1 to 2 weeks!
- Parcel Locker Cover Kit Hardware Only$15.10 $14.03
Additional Discounts for 2+ units!
Usually ships in 1 to 2 weeks!
Step 1: Identify Mailbox Ownership
The first step is figuring out who owns your mailbox since this determines who’s responsible for issuing a new key:
| Mailbox Type | Ownership | Who Replaces the Key? |
| USPS-owned cluster box | USPS | USPS |
| Apartment or condo box | A property manager or HOA | Maintenance staff/locksmith |
| Personal curbside box | You (homeowner) | Yourself or locksmith |
Tip: If your mailbox has a USPS logo and is part of multiple boxes, it may indicate that it is USPS-owned. However, it is recommended to confirm ownership with your local post office or building management.
Step 2: USPS-Owned Mailbox
If USPS owns your mailbox, they'll handle everything from replacing the lock to giving you a new key. USPS provides customers with three keys for each compartment in a USPS-owned CBU. If you have misplaced all three keys, it is likely that the lock will need replacement. Follow these steps: Steps to Follow:
- Visit your nearest post office (don't forget your valid photo ID!).
- Complete PS Form 1094 (Application for Keys or Locks).
- Pay the replacement fee, typically $20–$30.
- Expect your replacement key or lock within 7–14 business days.
Typical USPS Costs:
- First replacement key (key stuck inside): Usually free.
- Lock replacement & new key: Approximately $30.
Need more details? Visit the official USPS mailbox key replacement guidelines.
Step 3: Property-Managed Mailboxes (Apartments, Condos, HOAs)
For property-managed mailboxes, your first step is contacting your property manager, leasing office, or HOA:
- Cost: Typically between $10–$50, varying by property policy.
- Wait Time: Usually same-day to 3 business days.
- Who Handles It: On-site maintenance or contracted locksmith.
Real-Life Example: At most apartments, the leasing office usually provides a new key after verifying your identity. Some locations might request a refundable deposit, while others charge a nominal fee.
Step 4: Personally Owned Mailbox (Curbside)
If you're a homeowner with a curbside mailbox, you have two practical options:DIY Mailbox Lock Kits:
- Cost: $10–$15
- Tools Needed: Just a screwdriver and pliers
- Time Required: Only about 10–20 minutes
Hiring a Locksmith:
- Cost: Around $60–$150, depending on your location and urgency
- Timeframe: Often same-day service
- Find a Trusted Locksmith: Check out Associated Locksmiths of America
Quick Reference Timeline
| Action | Who Handles It? | Typical Wait Time |
| USPS key/lock replacement | USPS | 7–14 business days |
| Apartment mailbox key | Property manager | Same-day to 3 days |
| DIY lock replacement | You | ~20 minutes |
| Locksmith service | Professional | Same-day to 1 day |
Bonus Tips: How to Avoid Losing Your Mailbox Key Again
- Use a magnetic key holder hidden under your car or porch.
- Take a quick snapshot of your key’s unique stamp number (if visible).
- Create a backup key and leave it with a trusted neighbor or friend.
Final Thoughts
Losing your mailbox key doesn't have to become a major headache. Once you figure out who owns your mailbox, you can quickly follow the proper steps to regain access. Still unsure? Your local post office is always ready to help answer questions. Need urgent assistance? Calling a reputable locksmith could have your mailbox functioning again in no time!
