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What is the required height of a mailbox?

Posted by searchaltyics on Jun 12th 2023

What is the required height of a mailbox?

What is the required height of a mailbox?

When it comes to installing a mailbox, adhering to the proper height requirements is essential. Not only does it ensure the convenience and ease of mail delivery on both recipient and deliverer’s ends, but it also ensures that you comply with regulations set forth by the United States Postal Service (USPS). There are many other considerations that you should take into account when installing a mailbox, but the height is arguably the most important. So, you may be wondering: What is the required height of a mailbox?

The Required Height of a Mailbox

According to USPS regulations, the standard height requirement for a curbside mailbox is 41 to 45 inches from the ground to the bottom of the mailbox. This measurement ensures that mail carriers can easily access and deliver mail without excessive bending or stretching, as well as ensuring their safety. Additionally, the USPS specifies that the mailbox should be set back 6 to 8 inches from the edge of the curb to provide sufficient clearance for passing vehicles.

However, it’s important to note that these height requirements may vary in some localities. It is recommended to check with your local postmaster or municipality for any specific guidelines or variations in your area. They can provide you with the necessary information to ensure your mailbox is installed correctly and complies with local regulations.

Additional Mailbox Size Requirements

Apart from mailbox height, there are other considerations to keep in mind when installing a mailbox. The USPS also specifies requirements for the size and type of approved mailboxes. The USPS approves various types of mailboxes, including post-mounted mailboxes, curbside mailboxes, and wall-mounted mailboxes. Each type has specific regulations governing its installation and placement, so you should make sure that you know the rules for each kind.

If you prefer a door slot or a wall-mounted mailbox in particular, it’s important to gain permission from the local postmaster. The USPS has specific regulations regarding the use of door slots or wall-mounted mailboxes, including size, location, and accessibility, which you can find by contacting your local postmaster.

It’s also crucial to ensure that the mailbox is easily accessible to both the mail carrier and the homeowner. Avoid placing any obstructions such as overgrown shrubs or trees that may hinder mail delivery. Additionally, make sure your mailbox is sturdy, well-maintained, and free from any damage or hazards. This will ensure the safety and security of both your property and the hardworking USPS drivers who deliver your mail.


At Imperial Mailbox Systems, we understand the importance of adhering to USPS regulations for mailbox installation. We offer a wide range of high-quality mailboxes that meet USPS standards and can complement the aesthetic of your property. Whether you’re looking for a post-mounted mailbox, curbside mailbox, or wall-mounted mailbox, we have options that will suit your needs. We’re dedicated to providing you with high-quality mailboxes that meet USPS standards and will add an excellent finishing touch to your home. Contact us today to explore our range of mailbox options and ensure your mailbox installation is in compliance with all necessary requirements.