Skip to content

4C Horizontal Mailboxes

Engineered for security and built to meet USPS regulations, our 4C Horizontal Mailboxes are ideal for apartment buildings, commercial complexes, and multi-tenant properties. Designed for indoor or outdoor use, these heavy-duty units offer a sleek, space-saving solution for centralized mail delivery with customizable configurations to fit your project’s needs.

Sweatfully is an authorized dealer for all the brands we offer, so you can shop with confidence knowing you’re getting genuine products backed by full manufacturer warranties and support.

Salsbury Combination Lock - for 4C Horizontal Mailbox Door (for Mailboxes Not Serviced by the USPS) - Sweatfully
$125.00 - $125.00
$125.00
$125.00 - $125.00
$125.00

Salsbury Combination Lock - for 4C Horizontal Mailbox Door (for Mailboxes Not Serviced by the USPS)

Salsbury Industries Mailboxes

Combination Lock - for 4C Horizontal Mailbox Door (for Mailboxes Not Serviced by the USPS)Usually Ships Within 1-2 Days

$125.00 - $125.00
$125.00
$125.00 - $125.00
$125.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 14 Door High Units - Sweatfully
$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 14 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 14 Door High UnitsUsually Ships Within 1-2 Days

$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for Maximum Height Units - Sweatfully
$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for Maximum Height Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for Maximum Height UnitsUsually Ships Within 1-2 Days

$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 15 Door High Units - Sweatfully
$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 15 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 15 Door High UnitsUsually Ships Within 1-2 Days

$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 13 Door High Units - Sweatfully
$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 13 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 13 Door High UnitsUsually Ships Within 1-2 Days

$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00
Salsbury Master Commercial Lock - for Private Access of FL 4C Horizontal Mailbox and Parcel Locker - with (2) Keys - Sweatfully
$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00

Salsbury Master Commercial Lock - for Private Access of FL 4C Horizontal Mailbox and Parcel Locker - with (2) Keys

Salsbury Industries Mailboxes

Master Commercial Lock - for Private Access of FL 4C Horizontal Mailbox and Parcel Locker - with (2) KeysUsually Ships Within 1-2 Days

$120.00 - $120.00
$120.00
$120.00 - $120.00
$120.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 12 Door High Units - Sweatfully
$115.00 - $115.00
$115.00
$115.00 - $115.00
$115.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 12 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 12 Door High UnitsUsually Ships Within 1-2 Days

$115.00 - $115.00
$115.00
$115.00 - $115.00
$115.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 11 Door High Units - Sweatfully
$115.00 - $115.00
$115.00
$115.00 - $115.00
$115.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 11 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 11 Door High UnitsUsually Ships Within 1-2 Days

$115.00 - $115.00
$115.00
$115.00 - $115.00
$115.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 9 Door High Units - Sweatfully
$115.00 - $115.00
$115.00
$115.00 - $115.00
$115.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 9 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 9 Door High UnitsUsually Ships Within 1-2 Days

$115.00 - $115.00
$115.00
$115.00 - $115.00
$115.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 10 Door High Units - Sweatfully
$115.00 - $115.00
$115.00
$115.00 - $115.00
$115.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 10 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 10 Door High UnitsUsually Ships Within 1-2 Days

$115.00 - $115.00
$115.00
$115.00 - $115.00
$115.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 8 Door High Units - Sweatfully
$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 8 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 8 Door High UnitsUsually Ships Within 1-2 Days

$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 6 Door High Units - Sweatfully
$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 6 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 6 Door High UnitsUsually Ships Within 1-2 Days

$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 7 Door High Units - Sweatfully
$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 7 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 7 Door High UnitsUsually Ships Within 1-2 Days

$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 5 Door High Units - Sweatfully
$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 5 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 5 Door High UnitsUsually Ships Within 1-2 Days

$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00
Custom Engraved Self Adhesive Unit Placard - for Identification of 4C Horizontal Mailbox - Sweatfully
$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00

Custom Engraved Self Adhesive Unit Placard - for Identification of 4C Horizontal Mailbox

Salsbury Industries Mailboxes

Custom Engraved Self Adhesive Unit Placard - for Identification of 4C Horizontal MailboxAllow 3-5 Days For Shipping

$105.00 - $105.00
$105.00
$105.00 - $105.00
$105.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 4 Door High Units - Sweatfully
$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 4 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 4 Door High UnitsUsually Ships Within 1-2 Days

$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00
Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 3 Door High Units - Sweatfully
$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00

Salsbury Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 3 Door High Units

Salsbury Industries Mailboxes

Recessed Mounted 4C Horizontal Mailbox Connector Kit - for 3 Door High UnitsUsually Ships Within 1-2 Days

$100.00 - $100.00
$100.00
$100.00 - $100.00
$100.00
Custom Lock Cylinder Installation - for 4C Horizontal Mailbox Door - Cylinder and Housing Provided By Owner - Sweatfully
$95.00 - $95.00
$95.00
$95.00 - $95.00
$95.00

Custom Lock Cylinder Installation - for 4C Horizontal Mailbox Door - Cylinder and Housing Provided By Owner

Salsbury Industries Mailboxes

Custom Lock Cylinder Installation - for 4C Horizontal Mailbox Door - Cylinder and Housing Provided By OwnerUsually Ships Within 1-2 Days

$95.00 - $95.00
$95.00
$95.00 - $95.00
$95.00
Salsbury Custom Door Engraving - Regular - for Sandstone 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Regular - for Sandstone 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Door Engraving - Regular - for Sandstone 4C Horizontal Mailbox and Parcel Locker DoorAllow 5-7 Days For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Custom Door Engraving - Regular - for Custom Color 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Regular - for Custom Color 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Door Engraving - Regular - for Custom Color 4C Horizontal Mailbox and Parcel Locker DoorAllow 4-5 Weeks For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Custom Door Engraving - Regular - for Bronze 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Regular - for Bronze 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Door Engraving - Regular - for Bronze 4C Horizontal Mailbox and Parcel Locker DoorAllow 5-7 Days For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Custom Door Engraving - Regular - for Aluminum 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Regular - for Aluminum 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Door Engraving - Regular - for Aluminum 4C Horizontal Mailbox and Parcel Locker DoorAllow 5-7 Days For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Custom Door Engraving - Black Filled - for Sandstone 4C Horizontal Mailbox and Parcel Locker - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Black Filled - for Sandstone 4C Horizontal Mailbox and Parcel Locker

Salsbury Industries Mailboxes

Custom Door Engraving - Black Filled - for Sandstone 4C Horizontal Mailbox and Parcel LockerAllow 5-7 Days For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Custom Door Engraving - Regular - for Black 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Regular - for Black 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Door Engraving - Regular - for Black 4C Horizontal Mailbox and Parcel Locker DoorAllow 5-7 Days For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Custom Door Engraving - Black Filled - for Custom Color 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Black Filled - for Custom Color 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Door Engraving - Black Filled - for Custom Color 4C Horizontal Mailbox and Parcel Locker DoorAllow 4-5 Weeks For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Custom Door Engraving - Black Filled - for Black 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Black Filled - for Black 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Door Engraving - Black Filled - for Black 4C Horizontal Mailbox and Parcel Locker DoorAllow 5-7 Days For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Custom Door Engraving - Black Filled - for Aluminum 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Black Filled - for Aluminum 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Door Engraving - Black Filled - for Aluminum 4C Horizontal Mailbox and Parcel Locker DoorAllow 5-7 Days For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Custom Door Engraving - Black Filled - for Bronze 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Salsbury Custom Door Engraving - Black Filled - for Bronze 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Door Engraving - Black Filled - for Bronze 4C Horizontal Mailbox and Parcel Locker DoorAllow 5-7 Days For Shipping

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Mail Slot Option- for 4C Horizontal Mailbox Door (for Mailboxes Not Serviced by the USPS) - Sweatfully
$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25

Mail Slot Option- for 4C Horizontal Mailbox Door (for Mailboxes Not Serviced by the USPS)

Salsbury Industries Mailboxes

Mail Slot Option- for 4C Horizontal Mailbox Door (for Mailboxes Not Serviced by the USPS)Usually Ships Within 1-2 Days

$54.25 - $54.25
$54.25
$54.25 - $54.25
$54.25
Salsbury Plexiglass Window - for 4C Horizontal Mailbox Door (for Mailboxes Not Serviced by the USPS) - Sweatfully
$52.55 - $52.55
$52.55
$52.55 - $52.55
$52.55

Salsbury Plexiglass Window - for 4C Horizontal Mailbox Door (for Mailboxes Not Serviced by the USPS)

Salsbury Industries Mailboxes

Plexiglass Window - for 4C Horizontal Mailbox Door (for Mailboxes Not Serviced by the USPS)Usually Ships Within 1-2 Days

$52.55 - $52.55
$52.55
$52.55 - $52.55
$52.55
Custom Engraved Self Adhesive Placard - for 4C Horizontal Mailbox and Parcel Locker Door - Sweatfully
$52.55 - $52.55
$52.55
$52.55 - $52.55
$52.55

Custom Engraved Self Adhesive Placard - for 4C Horizontal Mailbox and Parcel Locker Door

Salsbury Industries Mailboxes

Custom Engraved Self Adhesive Placard - for 4C Horizontal Mailbox and Parcel Locker DoorUsually Ships Within 1-2 Days

$52.55 - $52.55
$52.55
$52.55 - $52.55
$52.55

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare