Welcome to Mailbox Lock Houston, your local expert for fast, reliable mailbox lock services across the Houston area. Whether you need to replace a broken lock, install a new one, or duplicate your mailbox key, our mobile locksmiths come to you — fully equipped and ready to help. We handle both residential and commercial mailbox systems, including HOA and USPS-compliant installations. No waiting in line, no fuss — just honest, professional service right where you need it.
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Houston residents face frequent risks of mail theft and identity fraud, especially in apartment buildings and neighborhoods with outdated or unsecured mailboxes. Having a high-quality mailbox lock is the first line of defense against mail tampering, lost packages, and stolen documents.
At Mailbox Lock Houston, we specialize in helping homeowners, renters, businesses, and property managers keep their mail secure. From cluster boxes to curbside units, we offer mobile mailbox lock services across the Houston metro area, including fast lock replacement options.
If your mailbox lock is sticking, spinning, won’t turn, or the key is stuck, it’s time for repair or replacement. Many calls we receive involve locks that haven’t been serviced in years, especially on older community boxes or wall-mounted units. Other issues include bent keys, broken cams, and stripped lock cylinders.
We also handle post-mount boxes with worn doors and cluster units with broken tenant locks. Our techs are trained to repair or replace locks on-site — no matter the mailbox type. If you’ve recently moved in and didn’t receive a key, we recommend immediate service to re-secure the box.
We offer additional help for mailbox key duplication or rekeying for access changes. Whether it’s one box or an entire row of units, we’ve got you covered.
If the lock is jammed, rusted, or the key is broken inside, replacement is usually the better choice. We carry a wide range of replacement locks compatible with standard post, wall, and cluster boxes. When repairs are possible — like a loose cam or simple misalignment — we’ll fix it on-site.
Our goal is always to find the most cost-effective and secure option for your situation. We’ll explain both repair and replacement choices and let you decide before we begin.
Not sure which lock you need? We’ll match and install the correct model on-site during our visit.
Signs of tampering include a loose mailbox door, scratches around the lock, or a key that suddenly no longer works. If your mailbox is frequently left open or you find missing mail, you may be dealing with an attempted break-in.
We recommend checking your mailbox regularly for any changes and upgrading your lock if you suspect a security issue. Learn more about risks in our mail theft and fraud prevention guide.
If you’ve lost your mailbox key or moved into a new place without one, we can help. Our locksmiths will unlock your mailbox and replace the lock with a new cylinder and fresh keys. In most cases, it takes just one visit.
If the mailbox is part of a USPS-controlled cluster, we’ll help you identify whether the lock can be serviced privately or needs a post office request. For all private boxes, we handle it all on-site with no delays.
1. Call and schedule a visit — same-day appointments are often available.
2. We arrive with all tools and compatible locks.
3. We inspect the mailbox and unlock if needed.
4. The old lock is removed and replaced with a brand-new, USPS-compliant unit.
5. We provide two new keys and test the lock with you.
6. Final invoice is issued on-site — no hidden fees, no surprises.
Homeowners usually need lock changes for wall or post-mounted units. We provide fast service with minimal disruption. For commercial clients and property managers, we handle multiple mailbox locks, often within shared mail stations or cluster units.
We work with HOAs, apartment buildings, retail centers, and government properties across Houston to ensure mailboxes stay secure and fully accessible to authorized users.
HOAs in Houston often require USPS-compliant cluster boxes with secure locks and clear tenant access. We specialize in servicing multi-unit mailboxes with proper hardware and labeling, so you stay in compliance without delays.
Visit our cluster installation service page to learn how we help communities maintain and secure their mail delivery infrastructure.
If you’re locked out of your mailbox and need urgent access, we offer emergency lockout services. Whether the key snapped, the lock jammed, or you lost all copies, we’ll unlock it and replace the lock if needed — all in one visit.
Our mobile units cover all Houston neighborhoods, so you don’t have to wait days to get back into your mailbox.
Mailbox Lock Houston has more than a decade of experience helping homeowners and businesses across Houston. We’re licensed, bonded, and insured — and we back every job with a 6-month parts and labor warranty.
With top ratings on BBB, Yelp, Google Maps, and Home Advisor, we’re known for transparency, professionalism, and quick response times. Our mobile service means we come to you, fully stocked with tools, parts, and diagnostics gear.
We offer upfront estimates, same-day appointments, and no-pressure pricing — just straightforward solutions that work.
| Service type | Description | Price |
|---|---|---|
| Service Call | Includes on-site inspection and travel | $29 |
| Mailbox Lock Replacement | Remove old lock and install new one with keys | $65–$125 |
| Mailbox Key Duplication | Copy of existing mailbox key on-site | $9–$25 |
| Emergency Lockout Service | Unlock jammed or inaccessible mailbox | $55–$95 |
| Cluster Box Lock Service | Tenant or HOA multi-unit lock replacement | $85–$185 |
| Security Upgrade Lock | Install tamper-resistant lock with advanced features | $95–$145 |
All prices are estimates and depend on mailbox condition and hardware selection. Your technician will provide a firm quote after diagnosing the situation and before starting work.
Yes — we unlock and replace locks even without a key on-site.
Only if it’s a privately owned box. USPS-owned cluster boxes must be serviced by USPS.
We offer same-day service across Houston in most cases.
Yes — check our post-mounted installation services for details.
Absolutely. See our key duplication service page.
We can often repair minor issues without replacing the lock.
Yes, we service commercial mailboxes, cluster units, and employee boxes.
We carry National, Salsbury, and Florence locks — all USPS compliant.
Yes, we offer tamper-resistant and weather-resistant upgraded locks.
We cover Katy, Sugar Land, Pasadena, Pearland, Spring, Cypress, and zip codes like 77084, 77070, 77095, and more.
When it comes to mailbox lock changes and installations in Houston, nobody does it better than Mailbox Lock Houston. We proudly serve nearby cities like Katy, Pearland, Sugar Land, Cypress, Pasadena, and Spring. Zip codes we cover include 77070, 77084, 77095, 77077, 77042, and 77055.
Call today for honest, fast, and expert service right at your curbside or complex.
