Commercial & CBU
Cluster Box Units & Commercial Mailboxes
USPS-approved 4C horizontal cluster box units for apartments, condos, HOAs, and new construction. Professional delivery and installation available throughout Metro Detroit.
All CBU units require professional installation. Contact us to schedule delivery and installation in Metro Detroit.
Call for a quote
Standard CBU — 4 Tenant Doors, 1 Parcel Locker
Sandstone powder coat · 28"W x 9"H x 17"D
4 tenant doors · 1 parcel locker
Compact USPS-approved 4C horizontal cluster mailbox. Great for small duplexes and fourplexes.
- USPS / 4C approved
- 4 tenant doors
- 1 parcel locker
- Outgoing mail slot
- Sandstone finish
- Surface or pedestal mount
Standard CBU — 8 Tenant Doors, 1 Parcel Locker
Sandstone powder coat · 28"W x 15"H x 17"D
8 tenant doors · 1 parcel locker
USPS-approved 4C horizontal cluster mailbox with 8 tenant compartments and 1 parcel locker. Ideal for small multi-unit buildings and HOAs.
- USPS / 4C approved
- 8 tenant doors
- 1 parcel locker
- Outgoing mail slot
- Sandstone finish
- Surface or pedestal mount
Standard CBU — 12 Tenant Doors, 2 Parcel Lockers
Sandstone powder coat · 28"W x 22"H x 17"D
12 tenant doors · 2 parcel lockers
USPS-approved 4C horizontal cluster mailbox with 12 tenant compartments and 2 parcel lockers. Perfect for mid-size apartment complexes.
- USPS / 4C approved
- 12 tenant doors
- 2 parcel lockers
- Outgoing mail slot
- Sandstone finish
- Surface or pedestal mount
Standard CBU — 16 Tenant Doors, 2 Parcel Lockers
Sandstone powder coat · 28"W x 29"H x 17"D
16 tenant doors · 2 parcel lockers
USPS-approved 4C horizontal cluster mailbox with 16 tenant compartments and 2 parcel lockers. Designed for larger apartment buildings and condo associations.
- USPS / 4C approved
- 16 tenant doors
- 2 parcel lockers
- Outgoing mail slot
- Sandstone finish
- Surface or pedestal mount
Standard CBU — 20 Tenant Doors, 4 Parcel Lockers
Sandstone powder coat · 56"W x 29"H x 17"D
20 tenant doors · 4 parcel lockers
Large-capacity USPS-approved 4C horizontal cluster mailbox with 20 tenant compartments and 4 parcel lockers. For large apartment complexes and new construction.
- USPS / 4C approved
- 20 tenant doors
- 4 parcel lockers
- Outgoing mail slot
- Sandstone finish
- Surface or pedestal mount
- ADA compliant
CBU Pedestal — Single
Sandstone powder coat · 8"W x 42"H x 17"D
Heavy-duty single pedestal for freestanding CBU installation. Anchors securely to concrete. Matches sandstone CBU finish.
- Matches CBU sandstone finish
- Heavy-gauge steel
- Anchor bolt kit included
- Fits all 4C CBU units
Prices shown are retail MSRP. Contractor and property manager pricing available — contact us for a quote.
(248) 496-7648