U.S. Mail Supply Secure, Anti-Theft Mailboxes for Homes & Businesses
All of U.S. Mail Supply’s locking mailboxes are built to withstand all of the Wisconsin seasons, along with anyone trying to steal your packages. We offer a few notes below before you purchase your next locking mailbox. Please contact us with any questions you may have.
Residential Locking Mailboxes for Secure Package Delivery
Our residential locking mailboxes provide dependable protection for your daily mail and packages. You'll find post-mounted curbside mailboxes ideal for home delivery, built to meet USPS standards and designed to withstand all seasons. Each unit is USPS-approved and constructed for outdoor durability, weather resistance, long-term performance and mail protection. With secure key lock access, your mail and packages stay safe from theft until you retrieve them.
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Commercial & Apartment Locking Mailbox Systems
Our commercial locking mailbox systems meet the demands of offices, businesses and multifamily properties. Large-capacity commercial mailboxes deliver reliable space for high-volume mail and package delivery while providing strict security. Perfect for indoor or outdoor settings, our USPS-approved systems include secure courier drop boxes, apartment mailbox clusters and package-ready units built for durable, long-term service. Our commercial solutions help property managers maintain organization and protect mail delivery for every tenant or employee.
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How to Choose the Right Locking Mailbox
Selecting the right locking mailbox system for commercial property, multifamily complex or development project starts with understanding your delivery needs, installation space and USPS requirements. The right solution will support higher mail volume, protect packages and promote secure, efficient delivery.
Key Factors to Consider
- USPS Approval Requirements:
Confirm the mailbox system meets the appropriate USPS regulations for centralized, curbside or parcel delivery. Be sure to check with your local Postmaster General for mailbox compliance. - Package Size and Delivery Volume:
Evaluate the typical package load for your property. High volume locations such as apartments and commercial sites often require larger parcel lockers, delivery vaults or high-capacity drop boxes. - Number of Users or Units:
Multi-tenant and commercial properties must account for current and future occupancy. Choosing the right cluster configuration or multi-unit system helps streamline delivery and prevent capacity issues over time. - Installation Requirements:
Consider structural needs such as concrete pads, pedestal mounting, wall recesses or indoor vestibule space. Proper site preparation guarantees your system meets USPS delivery and accessibility standards. - Anti-Theft and Security Features:
Consider features such as heavy-gauge construction, access panels for delivery, the number of locks and lock quality for high-traffic or unsecured areas.
Expert Guidance From U.S. Mail Supply
Choosing the right mailbox doesn’t have to be complicated. U.S. Mail Supply will help you select the most practical and cost-efficient locking mailbox for your property.
Our team will guide you through:
- Verifying USPS or private delivery requirements
- Determining how many units you need
- Understanding installation needs and space considerations
- Selecting the best anti-theft and durability features for your environment
- We're here to help you make the right choice the first time.
A U.S. Mail Supply representative is ready to assist you with your order and provide personalized recommendations. We will contact you after you submit your order to confirm your chosen mailbox is approved and appropriate for your planned use. This will happen prior to any order processing and payment collection.
Have questions? Contact our mail experts at 262.782.6510 or request a quote today.
Don't worry, we can help you figure out what's best and most cost efficient for your space. A representative at U.S. Mail Supply will help you figure out what is required for USPS or private delivery, the number of units you need and any information required for installation.
Standard Cluster Mailboxes
Shop cluster decorative mailboxes for sale from U.S. Mail Supply. These are perfect for apartments, commercial areas, or residential areas.
Apartment Building Mailboxes
Buy apartment building mailboxes for your apartment complex. These will keep your tenant's mail safe from mail theft and vandalism.
Commercial Outdoor Mailboxes
Shop commercial traditional and classic style outdoor pedestal mailboxes from US Mail Supply. These are ideal for business parks
Residential Outdoor Mailboxes
Buy residential outdoor pedestal mailboxes (box and post combos) for homes or other single unit / single-family residential buildings.






