Salsbury Roadside Mailbox

Product Features

This roadside mailbox is designed for secure curbside delivery with convenient access from both sides. Below is a quick breakdown of its core features and what they offer.

• Front and rear access doors for easy mail delivery and retrieval

• Locking the rear access door for added mail security

• Non-locking front access panel for USPS delivery

• Made entirely from heavy-duty aluminum

• Powder-coated finish for long-term outdoor durability

• Adjustable red signal flag for outgoing mail

• Includes outgoing mail tray

• Comes with a keyed-alike lock for secure rear access

• Includes two keys per lock

• Designed for USPS curbside delivery approval

Product Options

This mailbox can be customized with several optional accessories and mounting configurations based on your installation needs. Here are the available options to consider.

• Optional bolt-mounted aluminum pedestal (#4365)

• Optional in-ground aluminum pedestal (#4385)

• Optional in-ground aluminum deluxe posts (#4370 and #4372)

• Compatible with standard mailbox spreaders for multi-unit setups

• Can also be mounted in columns, masonry, or walls, depending on your installation setup

• Available in a powder-coated black, green, silver, or white finish

• Optional newspaper holder (#4315)

• Optional non-locking thumb latch (#4388)

• Custom engraved self-adhesive placards available upon request

• Replacement signal flags are available if needed

Roadside Mailbox Compliance & USPS Approval

This roadside mailbox is USPS-approved for curbside mail delivery. That approval confirms the mailbox meets USPS size, access, and placement requirements for residential roadside use.

For homeowners, this means mail carriers can safely and efficiently deliver mail without leaving their vehicles. The non-locking front access panel allows USPS delivery, while the locking rear door keeps mail secure for retrieval.

This mailbox is intended for standard curbside installations when mounted at the proper height and setback according to USPS guidelines.

Materials Used & Finish Durability

This mailbox is constructed from aluminum and finished with a protective powder coating. These materials are chosen for long-term outdoor performance and low maintenance.

• Aluminum construction helps prevent rust and corrosion

• Lightweight material supports easier installation

• Powder-coated finish adds protection against rain, snow, and humidity

• Suitable for coastal and high-moisture environments

• Finish helps maintain appearance over time with minimal upkeep

For basic care, cleaning with mild soap and water helps maintain the finish over time.

Frequently Asked Questions

Is a master postal lock required?

No. A master postal lock is not required for this roadside mailbox. The front access panel is non-locking to allow USPS mail delivery, while the rear access door includes a lock to keep mail secure for retrieval.

Which pedestal or post should I choose for my driveway setup?

This mailbox works with both bolt-mounted and in-ground aluminum pedestals. The right choice depends on your driveway surface and installation preference. In-ground posts are typically used for permanent installations, while bolt-mounted pedestals are a good option for paved or concrete surfaces.

Will the mail slot fit padded envelopes or small parcels?

This mailbox is designed for standard mail delivery. Some padded envelopes may fit, but larger parcels may not. If you regularly receive packages, a parcel mailbox or larger-capacity option may be a better fit.

Does this roadside mailbox include locks and keys? How many?

Yes. The rear access door includes a keyed-alike lock for secure mail retrieval. The mailbox comes with two keys, and all locks are keyed alike for convenience.