USPS-Approved Mailboxes in Massachusetts
Cluster & Pedestal Multi-Family Options
U.S. Mail Supply provides USPS-approved multi-family mailboxes to
developments across Massachusetts. Our mailbox systems offer lasting
performance and meet centralized delivery standards for housing
projects. Choose from cluster box units (CBUs), pedestal-style boxes and
other configurations designed to comply with USPS standards. Contact
your local postmaster to confirm installation requirements.
Mail Package Drop
Mail Package Drop/Mail Chest In-Ground Pedestal
Florence 8 Tenant Cluster Mailbox (CBU) Traditional Decorative w/ Pedestal #1570-8V2
Available Finish options
Postal Grey
Dark Bronze
Black
White
Forest Green
Sandstone
Florence 4 Unit Outdoor Parcel Locker w/ Pedestal #1590-T2
Available Finish options
- Postal Grey
- Dark Bronze
- Black
- White
- Forest Green
- Sandstone
Florence 16 Tenant Cluster Mailbox (CBU) w/ Pedestal #1570-16
Available Finish options
- Postal Grey
- Dark Bronze
- Black
- White
- Forest Green
- Sandstone
Front-Loading Horizontal Mailboxes – 35 Doors
Available Finish options
Anodized Aluminum
4-Door 3500 Series Vertical Mailbox
Available Finish options
- Sandstone
Bronze
Aluminum
Double Letter Locker Collection Box-Front Access
Available Finish options
- Black
- White
Tan
Gray- Bronze
Multi-Family Mailboxes for New Property Developments in MA
Massachusetts’s multi-family housing market continues to see growth, increasing demand for secure, reliable mail delivery systems. Our USPS-approved mailboxes provide convenient access for residents while meeting postal regulations in new developments.
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
Requirements for Multi-Family Mailboxes in MA
Mailbox regulations in Massachusetts 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.
USPS Mailbox Requirements
Placement and Height
Mailboxes in Massachusetts 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.
Massachusetts-Specific Mailbox Requirements
Mailbox Supports
Mailboxes placed along public roads in Massachusetts must use steel or wooden posts and meet MassDOT and MASH crash safety standards. Swing-away or cantilever-style supports are recommended to reduce the risk of damage from vehicles.
Locking & Parcel Delivery
Locking mailboxes are allowed if USPS-approved. The incoming slot must accommodate regular mail and unfolded Priority envelopes. For centralized mail delivery systems, USPS requires parcel lockers for every five tenant compartments.
Mailbox Placement
Curbside boxes should be installed 41–45 inches above the roadway and positioned 6–8 inches behind the curb or edge of pavement. Mailboxes must face the street and remain easily accessible for delivery.
ADA Compliance
Mailbox installations in multi-family buildings must follow ADA reach range rules. At least one mailbox must be mounted no higher than 48 inches from the finished floor. Parcel lockers must be at least 15 inches above the ground and arrow locks should fall between 36 and 48 inches.
Requirements by Property Type
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.
Mobile or Trailer Home Developments
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.
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 Massachusetts
Massachusetts continues to experience robust multi-family housing
growth, especially in the Greater Boston area. With demand fueled by a
strong job market, limited land availability and rising home prices,
developers are prioritizing high-density housing near transit and
employment centers. Boston leads the state in new apartment
construction, with surrounding cities like Cambridge and Somerville
playing key roles in regional development. Mixed-use zoning reforms
and state-backed housing incentives are helping unlock new
opportunities across Massachusetts.
Other Massachusetts cities are also making significant strides in the multi-family sector:
- Boston-Cambridge-Newton ranks among the top U.S. metros for apartment deliveries, driven by demand from students, professionals and downsizing homeowners.
- Worcester continues to attract investment in mid-rise multi-family housing near transit and downtown revitalization zones.
- Springfield is gaining momentum as a more affordable alternative to Boston, with ongoing redevelopment and housing expansion in core neighborhoods.
As Massachusetts communities work to expand housing supply, U.S. Mail Supply supports developers with USPS-approved mail systems built for today’s high-density, multi-unit environments.
Top Multi-Family Property Management Firms in MA
A range of top multi-family property management companies are shaping Massachusetts’s rental markets, from upscale apartment portfolios in Boston to suburban communities across Worcester and Cambridge. U.S. Mail Supply serves MA’s thriving markets by delivering USPS‑approved mailbox systems tailored for urban and suburban developments, helping to streamline mail delivery and enhance resident satisfaction.
EDGE Realty Advisors
EDGE Realty Advisors specializes in multi-family, condominium and leasing services throughout Greater Boston and Eastern Massachusetts. Their team emphasizes proactive maintenance and compliance with local housing regulations.
Crowninshield Management Corporation
An Accredited Management Organization (AMO), Crowninshield manages over 5,000 residential and commercial units in Cambridge and the North Shore. Known for its standards-driven approach and tenant-focused services.
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 Massachusetts. 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
Where can I buy mailboxes in Massachusetts?
USPS does not sell mailboxes. In Massachusetts, you can buy USPS-approved units from U.S. Mail Supply, hardware suppliers or specialty dealers. Available types include residential, commercial, centralized and wall-mounted models.
What mailboxes are approved by USPS in Massachusetts?
Mailboxes labeled “Approved by the Postmaster General” and “U.S. Mail” qualify under federal USPS guidelines. Check with your local post office for any additional local requirements before installing.
How do I get a new mailbox in Massachusetts?
Purchase a USPS-approved mailbox and install it following USPS guidelines. For new builds or replacements, confirm compliance with placement and sizing standards.
Can I customize my mailbox in Massachusetts?
Custom mailboxes are allowed if they meet USPS standards for construction, visibility and size. Always get postmaster approval before using a custom box.
How do I install my Massachusetts mailbox?
Curbside mailboxes must be installed 6–8 inches from the curb and 41–45 inches off the ground. Posts should be secure and buried less than 24 inches. Wall-mounted or centralized mailboxes (like STD-4C or CBUs) must meet USPS and ADA requirements.
Can I get private mail delivery in Massachusetts?
Private services like UPS, Amazon and FedEx deliver in Massachusetts, but only USPS may use USPS-approved mailboxes. Set up a separate delivery box for private carriers if needed.
Can a Massachusetts property owner create a custom mail service?
Yes. Businesses, universities and multi-family properties can install custom mail services if they follow USPS STD-4C and ADA rules. Centralized units must meet security and accessibility standards.
USPS-Approved Mailboxes for Massachusetts Multi-Family Properties In:
- Boston
- Worcester
- Springfield
- Cambridge
- Lowell
- Brockton
- Quincy
- Lynn
- New Bedford
- Fall River
- Newton
- Somerville
- Lawrence
- Framingham
- Haverhill
- Waltham
- Malden
- Brookline
- Medford
- Taunton
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