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We are Local Locksmiths.
Certified, insured, and professional experts.
Reliable locksmiths with proven experience.
Professional locksmiths will come to you.
Locksmith On Demand provides fast mailbox lock replacement in Newmarket, helping residents restore access and protect personal mail from theft or tampering. Whether your mailbox key is lost, stolen, or the lock is damaged, our expert locksmiths deliver on-site replacements for residential, community, and apartment mailboxes with precision and care.
We specialize in quick mailbox lock fixes across Newmarket. Here are the most common issues:
Can’t find your key? We’ll install a new lock and provide you with a fresh set of keys.
Weather and wear can corrode mailbox locks, making them jam or fail completely.
Vandalized or tampered locks are a sign it’s time for a secure replacement.
Always replace the mailbox lock to prevent previous tenants or owners from having access.
Broken keys lodged inside the lock? We’ll extract it and install a new unit on the spot.
Extreme cold or internal buildup can freeze mechanisms—making replacement the safest fix.
We offer full residential locksmith solutions:
Secure your home with expertly fitted door locks.
Fix jammed or broken mechanisms before they fail entirely.
Get duplicate keys for your new mailbox lock or other entryways.
Upgrade your home’s main entry for modern, keyless access.
Remove broken pieces from locks without causing more damage.
Replace keys you can’t find—fast, secure, and stress-free.
Locksmith On Demand in Newmarket provides fast, secure mailbox lock replacement services for lost keys, damaged locks, or tenant turnovers. Call now for same-day service!
How It Works – 3 Steps to Service
Step 1: Contact Us
Let us know about your mailbox issue. Whether it’s stuck, broken, or lost keys—we’re here to help.
Step 2: Fast Arrival
Our locksmiths will head your way right away with the tools and parts to replace your mailbox lock.
Step 3: Pay Only When It’s Done
No surprises. You only pay once the lock is successfully replaced and tested.
📞 (647) 477-4108 — Call Now For Immediate Mailbox Lock Help!
The most common mailbox lock type; we replace these in minutes.
For community/shared mailboxes often used in condos and subdivisions.
Older style, often in apartment units—yes, we handle these too.
Built-in locks that need disassembly to replace.
We remove vandalized or previously tampered locks safely.
For clients needing key-control or restricted access.
As a leading locksmith company in Newmarket & throughout the GTA, we look to satisfy our clients with our work.
Cole Braithwaite2025-01-17 Great job and fast service Daniel Liao2025-01-14 Super nice and very professional Daniel2024-12-28 Professional. Courteous. Responsive. Shannon Lupo2024-12-27 Very happy with the professional service received. Locksmith arrived, and solved our problem quickly. They were great to work with. A. Bako2024-12-24 I was impressed with the service, expertise and knowledge provided by Rom in fixing the lock to my entrance door. It took only less than 30 minutes to complete the job and fix the problem, surprisingly especially during Christmas eve. I am thankful & blessed to bless Locksmith On Demand during this Christmas Eve day. They are experts in what they do and deliver their promise. Merry Christmas and much success! Gillian Hanlon2024-12-20 Eli was very professional, knowledgeable, quick to problem solve, and personable. Highly recommend Theodore Briggs2024-12-11 Fast, efficient, friendly service. Would highly recommend. We needed new locks and they were available immediately hannah whiteside2024-12-11 Excellent service! Came very quickly and was able to replace our locks promptly
Answers to Common Questions About Mailbox Lock Replacement in Newmarket
Call Locksmith On Demand—we can replace the lock and give you new keys fast.
Yes! We handle condo, apartment, and Canada Post cluster mailbox locks.
It’s highly recommended to prevent unauthorized access from previous residents.
Most jobs are done in under 30 minutes with no damage to the mailbox.
No problem—we can extract the key and replace the lock right after.
Yes, we offer flexible service times across Newmarket and the GTA.
Don’t risk your personal mail getting into the wrong hands. Whether your lock is stuck, rusted, or your keys are gone, Locksmith On Demand will get it fixed fast and securely.