USPS-Approved Mailboxes in Michigan

USPS-Approved Mailboxes in Michigan Cluster & Pedestal Multi-Family Options

U.S. Mail Supply supplies USPS-approved mailbox solutions for multi-unit housing projects throughout Michigan. We offer durable cluster box units (CBUs), pedestal-mounted options and secure mail centers tailored for apartments, condominiums and other multi-family developments. All units meet current USPS regulations. Coordinate with your local postmaster to confirm site-specific mailbox installation requirements.

Michigan-specific mailbox requirementsGet help from a rep!
Black Mail Package Drop

Mail Package Drop

PEDESTALS SOLD SEPARATELY

Product # US4375

$570.00

Call For Pricing on 3+ units!

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In-ground pedestal for USPS Approved Mail Package Drop

Mail Package Drop/Mail Chest In-Ground Pedestal

PEDESTALS SOLD SEPARATELY

Product # US4385

$170.00

Call For Pricing on 3+ units!

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Traditional Decorative 8 Tenant Door Cluster Box Unit

Florence 8 Tenant Cluster Mailbox (CBU) Traditional Decorative w/ Pedestal #1570...

PEDESTALS SOLD SEPARATELY

Product # 1570-8V2

$3,050.00

Call For Pricing on 2+ units!

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1590T2 Florence Outdoor Pedestal Parcel Mailbox USPS approved

Florence 4 Unit Outdoor Parcel Locker w/ Pedestal #1590-T2

PEDESTALS SOLD SEPARATELY

Product # 1590T2

$2,970.00

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16 Door USPS & Courier Cluster Mailbox Unit 1570-16-SD

Florence 16 Tenant Cluster Mailbox (CBU) w/ Pedestal #1570-16

PEDESTALS SOLD SEPARATELY

Product # F181570-16

$2,350.00

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35 Door Horizontal Mailbox: The 1400-75 Florence 4B+

Front-Loading Horizontal Mailboxes – 35 Doors

PEDESTALS SOLD SEPARATELY

Product # 1400-75

$3,150.00

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4-Door 3500 Series Vertical Mailbox Aluminum

4-Door 3500 Series Vertical Mailbox

PEDESTALS SOLD SEPARATELY

Product # 3504

$483.00

Call For Pricing on 4+ units!

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Double Letter Locker Collection Box in Tan

Double Letter Locker Collection Box-Front Access

PEDESTALS SOLD SEPARATELY

Product # LL2FCUSTOM

$1,596.00

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Multi-Family Mailboxes for New Property Developments in MI

Michigan’s expanding housing market calls for secure, centralized mail delivery systems compliant with USPS regulations. Our approved mailbox units support efficient delivery and improve convenience for residents in new construction and renovation projects.

U.S. Mail Supply provides dependable mailbox systems suited for apartments, townhomes and condominiums. Our cluster and pedestal mailboxes deliver long-term durability and straightforward installation.

U.S. Mail Supply Has Multi-Family Mailbox Solutions For

  • Apartment Complexes
  • Condominiums
  • Townhome Communities
  • Student Housing
  • Senior Living Facilities
  • Military Housing
  • Public Housing Authorities
  • Mixed-Use Developments
  • Affordable Housing Projects
  • Property Management Companies
  • Real Estate Developers
  • New Multi-Family Construction Projects
  • Renovation & Retrofit Projects
  • HOAs (Homeowners Associations)
  • Section 8 and Government-Sponsored Housing
Multi-Family Mailbox Solutions

Requirements for Multi-Family Mailboxes in MI

Mailbox regulations in Michigan are primarily governed by the United States Postal Service (USPS) standards, local municipal codes and specific requirements for multifamily dwellings.

It's essential to consult with local authorities or the local postmaster to comply with any additional regulations or standards specific to your area.

  • Placement and Height
    Mailboxes in Michigan must be installed 6 to 8 inches back from the curb or road edge, with the bottom of the mailbox or mail entry point positioned 41 to 45 inches above the ground or road surface.
  • Address Visibility
    Each mailbox must clearly display the address number, with numerals at least 1 inch high, placed on the front or flag side for visibility.
  • Cluster Box Units (CBUs)
    For new construction or major renovations, USPS requires the use of STD-4C Horizontal Mailboxes or Cluster Box Units (CBUs). The highest tenant lock must be no more than 67 inches above the finished floor and the lowest must be at least 28 inches above the finished floor.
  • Parcel Locker Ratio
    In multi-family housing, there must be at least one parcel locker for every five mailbox compartments in new installations.
  • Mailbox Supports
    The Michigan Department of Transportation (MDOT) recommends breakaway-style mailbox posts made from 4×4 wooden beams or hollow steel to reduce collision hazards. Heavy or unyielding supports (e.g., concrete or steel pipes) are prohibited along public roadways.
  • Mailbox Placement
    Curbside mailboxes should be placed 6–8 inches from the edge of the pavement and must face the direction of oncoming traffic.
  • Locking & Parcel Delivery
    Lockable mailboxes must allow mail carriers to insert letters and standard-size parcels without a key. Centralized systems must provide one parcel locker per five units.
  • ADA Compliance
    Multi-family mailbox installations must meet ADA requirements. At least one mailbox must be no more than 48 inches high, and parcel lockers must be at least 15 inches from the floor.
  1. Site-Constructed Single-Family Developments
    Developers must coordinate with the USPS during the design phase, as centralized mail delivery with secure parcel lockers is the standard for new communities. If new homes are within one block of existing ones, they may adopt the same delivery method pending USPS review; otherwise, current centralized delivery standards apply.
  2. Mobile or Trailer Home Developments
    Permanent developments must have permanent lot assignments, public road maintenance and typically use centralized, curbside or sidewalk delivery as determined by USPS. Transient developments receive mail at a single USPS-approved location, with park staff handling internal distribution.
  3. Apartment Communities
    Use USPS-approved 4C centralized mailbox units with at least one parcel locker per five mailboxes, installed near main entrances and accessible to carriers. Outdoor units require USPS approval, must avoid streets or sidewalks and include a canopy with lighting and weather protection.
  4. Student Housing & Off-Campus Dormitories
    USPS delivers mail in bulk to a designated representative for distribution within dormitories, with no individual mailbox delivery provided. Dormitories—defined by shared living spaces—require early coordination with a USPS Growth Manager and may need named designees to accept mail.
*See the USPS National Delivery Planning Standards: A Guide for Builders and Developers for more information.

Fastest Growing Multi-Family Property Investments in Michigan

Michigan’s multi-family housing market remains active, particularly in cities like Lansing, Kentwood and more. Developers continue targeting high-demand areas near transit, universities and business hubs, building a mix of luxury, affordable and workforce housing. Michigan’s housing trends highlight the need for secure, centralized mail delivery systems designed for high-volume tenant use.

Other Michigan cities are also making major strides in the multi-family sector:

  • Grand Rapids has seen rapid rental growth due to healthcare, education and tech-sector expansion.
  • Ann Arbor benefits from a stable university-driven market and steady demand for off-campus housing.
  • Detroit is experiencing a surge in mixed-use developments and urban infill near downtown and midtown districts.

As Michigan cities evolve, U.S. Mail Supply supports developers with fully compliant mail delivery systems for new and revitalized multi-family housing projects.

Fastest Growing Multi-Family Property Investments in Michigan
Top Multi-Family Property Management Firms in MI

Top Multi-Family Property Management Firms in MI

Michigan’s property management firms are central to maintaining efficient, secure and well-run multi-family communities. U.S. Mail Supply partners with management groups across the state to provide reliable, USPS-approved mailbox systems tailored for large and small developments.

NCDG Realty & Property Management

NCDG manages properties throughout southern Michigan with a focus on maximizing tenant satisfaction through quality service, proactive maintenance and well-maintained infrastructure.

The Associated Management Company

Serving metro Detroit and beyond, The Associated Management Company handles units across Michigan. Their experience spans affordable, senior and conventional housing, backed by a strong compliance and service team.

Choose U.S. Mail Supply for Your Multi-Family Mailbox

  • USPS Compliance Guaranteed
  • Constructed With High-Quality Materials
  • Custom Design & Sizing Options
  • Nationwide Delivery Network
  • Woman-Owned Business
  • Installation Support
  • USPS & Unit Quantity Guidance
  • Volume Discounts
  • Solutions For Every Multi-family Property Type
Equip your multi-family development with the best USPS-approved mailboxes in Michigan. Contact U.S. Mail Supply today for a consultation and to explore our range of cluster, pedestal and other mailboxes for multi-family properties.

USPS-Approved Mailbox FAQ

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Can a Michigan property owner create a custom mail service?

USPS-Approved Mailboxes for Michigan Multi-Family Properties In:

  • Detroit
  • Grand Rapids
  • Warren
  • Sterling Heights
  • Ann Arbor
  • Lansing
  • Flint
  • Dearborn
  • Livonia
  • Westland
  • Troy
  • Farmington Hills
  • Kalamazoo
  • Wyoming
  • Southfield
  • Rochester Hills
  • Taylor
  • Pontiac
  • St. Clair Shores
  • Royal Oak
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Don't worry, we can help you figure out what's best and most cost efficient for your space. A representative at U.S. Mail Supply will help you figure out what is required for USPS or private delivery, the number of units you need and any information required for installation.

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