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The Gaines Keystone Mailbox: Enduring Elegance for Your Home

Graced with timeless design and crafted from premium materials, the Gaines Keystone Mailbox embodies the essence of enduring style.

A Statement in Quality

  • Solid Cast Aluminum Construction: Uncompromising strength and beauty. With a textured powder-coated finish, the Keystone Mailbox is built to withstand the elements and years of use, ensuring lasting curb appeal for your home.
  • Hand-Finished Brass Accents: Select from a range of beautiful brass finishes for the flag and door to complement your architectural style. These high-quality accents add a touch of distinction to your mailbox.

A Tradition of Excellence

  • Featured in High-End Decorative Showrooms: For discerning homeowners and architects alike, the Keystone Mailbox has become a hallmark of refined taste. Its presence in these prestigious showrooms signifies its position as a premier mailbox choice.
  • Gaines Manufacturing Heritage: Since 1991, we've been dedicated to providing exceptional quality and timeless design. The Keystone Mailbox reflects this commitment, upholding a legacy of excellence.

More than functionality, the Keystone Mailbox elevates your home's exterior, reflecting your appreciation for enduring quality and exquisite design.

Available in a variety of powder-coated finishes to personalize your selection. Contact us today to explore the options that perfectly complement your vision.

Keystone Mailbox

Elevate your home's entrance with the timeless elegance of a Keystone Mailbox. These finely crafted mailboxes boast durable cast aluminum construction and luxurious solid brass accents, reflecting an unwavering commitment to quality. Their sophisticated designs exude a refined aesthetic, making them a distinguished addition to your home. Experience the enduring beauty and craftsmanship of a Keystone Mailbox, available with a selection of post options and customizable accessories.

Offered from

Sale price$349.00

Mailbox color
Mailbox accent
Mailbox accent finish
Flag side Non-Flag side
Personalization Text (+ $29.00)
Personalization Text (+ $29.00)
Keystone Lockable Insert (+ $99.00)
SKU: KS-7A

Keystone Series

Complete Your Look! Choose your ideal post for a perfect mailbox setup

Complete Your Look! Choose your ideal post for a perfect mailbox setup

Keystone Deluxe Post - Post Only
Keystone Deluxe Post - Post Only
Keystone Series Deluxe Post - Heavy Aluminum Construction. Textured Powder Coat Finish. Mailbox sold separately. Designed for use with the Keystone......
Sale price$349.00

5 colors available

Complete Your Look! Choose your ideal post for a perfect mailbox setup

Keystone Standard Post - Post Only
Keystone Standard Post - Post Only
Keystone Series Standard Post - Heavy Aluminum Construction. Textured  Powder Coat Finish. Mailbox sold separately. Designed for use with the Keyst......
Sale price$189.00

5 colors available

Complete Your Look! Choose your ideal post for a perfect mailbox setup

KDD - Keystone Double Deluxe Post
KDD - Keystone Double Deluxe Post
Keystone Series Double Deluxe Post - Heavy Aluminum Construction. Textured Powder Coat Finish. POST SET ONLY - Mailboxes and Address Plaques sold s......
Sale price$429.00

5 colors available

Complete Your Look! Choose your ideal post for a perfect mailbox setup

Keystone Series Multi-Mount Posts
Keystone Series Multi-Mount Posts
The Keystone Series Multi-Mount System offers the ultimate flexibility in multiple mailbox configurations. It can be customized to allow near limi......
Sale priceFrom $449.00

3 colors available

Keystone Deluxe Post - Post Only
Keystone Deluxe Post - Post Only
Keystone Series Deluxe Post - Heavy Aluminum Construction. Textured Powder Coat Finish. Mailbox sold separately. Designed for use with the Keystone......
Sale price$349.00

5 colors available

View product
Keystone Standard Post - Post Only
Keystone Standard Post - Post Only
Keystone Series Standard Post - Heavy Aluminum Construction. Textured  Powder Coat Finish. Mailbox sold separately. Designed for use with the Keyst......
Sale price$189.00

5 colors available

View product
KDD - Keystone Double Deluxe Post
KDD - Keystone Double Deluxe Post
Keystone Series Double Deluxe Post - Heavy Aluminum Construction. Textured Powder Coat Finish. POST SET ONLY - Mailboxes and Address Plaques sold s......
Sale price$429.00

5 colors available

View product
Keystone Series Multi-Mount Posts
Keystone Series Multi-Mount Posts
The Keystone Series Multi-Mount System offers the ultimate flexibility in multiple mailbox configurations. It can be customized to allow near limi......
Sale priceFrom $449.00

3 colors available

View product

Keystone Series

Solid Brass Accents, Secure Magnetic Catch

Experience the refined elegance of a Keystone Mailbox. Crafted from enduring cast aluminum, these mailboxes showcase gleaming solid brass accents that add a touch of timeless luxury. Their secure magnetic closure ensures your mail stays protected, while their classic designs complement your home's discerning style. Select from a range of post options and accessories to complete your Keystone Mailbox's upscale presence.

Keystone Series

Choose Your Post, Enhance Your Presence

Transform the look of your mailbox with a selection of elegant posts and refined accessories. Choose the timeless design of the standard post or opt for the grand presence of the deluxe post. Personalize your installation further with a range of tasteful accessories that elevate both style and function.

Deluxe Post Packages Standard Post Packages

These are just the beginning! Discover countless other color and finish combinations to personalize your space.