1 Tenant Door with 1 Outgoing Mail – 4C Wall Mount 3-High Horizontal Mailbox Unit – H4C03S-01

Product Code: H4C03S-01
Availability: Ships Approx. in 7 to 10 Business Days
Free Shipping until 03/31/19!
Rated 5.00 out of 5 based on 2 customer ratings
(2 customer reviews)

Wholesale Pricing $176.50

Volume Discount Pricing:
For quantity of 2 or more - Request Quote or Call 800-676-5161

Available Options

Select 4C Mailbox Color *

Loading Options *

Mounting Type *

Select Tenant Door Identification *

Select Use *

Add to Compare


4C Mailbox with 1 tenant door and 1 outgoing mail compartment. 4C mailboxes are USPS Approved and meet or exceed STD-4C requirements for new construction and major renovations. They are also ideal for private delivery applications.


Unit Size: 12-3/4″H x 17-1/2″W x 17″D
Total Doors: 1 Tenant Compartment
Tenant Compartment Sizes: 3-1/4″H x 12″W x 15″D
Outgoing Mail Compartment: 6-1/2″H x 12″W x 15″D

Product Features:

  • Tenant Lock and Keys are Included
  • Superior strength, corrosion resistance, and exceptional durability for indoor AND outdoor installations
  • USPS Approved to STD-4C regulations required for all new construction and major renovation projects
  • 4C standard mailboxes are fully-recessed for in-wall mounting. Surface-mount collar and kiosk kits are available at an additional charge.
  • USPS regulations require a minimum of one parcel locker for every ten tenant compartments and one outgoing mail slot per unit
  • Factory installed integral trim surrounds mailbox and unique MUCK (multi-unit connector kit) included for easy installation of multiple 4C mailboxes
  • Minimum wall depth of 17″ required for Fully-recessed 4C mailboxes

Finish or Material: Heavy gauge aluminum construction

Colors: Antique Bronze, Black, Dark Bronze, Gold Speck, Postal Grey, Sandstone, Silver Speck, and White

Tenant Doors: Tenant doors include heavy duty, dustproof cam locks each with 3 keys

Outgoing Mail: Outgoing mail compartment with slot, anti-fish comb for security, and protective hood is located above USPS access door for convenient outgoing mail collection

Tenant Door Identification: Standard Number Plates, Custom Number Plates, or Custom Engraved Numbering (Increases Lead Time)

Loading and Mounting:

  • Front-loading 4C mailbox includes a carrier access door prepared for a USPS arrow lock (installed by local postal officials) for delivery/service to mailbox
  • Rear-loading, fully-recessed 4C mailboxes include hinged and latching rear doors (via entry to secure mail room by local postal officials) for delivery/service to mailbox. NO locking mechanism on rear doors – secure mail room behind mailboxes is required.


4C Wall Mount Units Installation Guide
4C Surface Mount Collar Installation Manual
Care and Cleaning
Sustainability & Leed

2 reviews for 1 Tenant Door with 1 Outgoing Mail – 4C Wall Mount 3-High Horizontal Mailbox Unit – H4C03S-01

  1. Rated 5 out of 5

    Ryan S

    Great quality products and good pricing. Their customer service was great! Try the free request tool.

  2. Rated 5 out of 5

    Dan J

    This product was perfect for our apartment complex. National Mailboxes has the best wholesale prices.

Add a review