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Salsbury Cluster Box Unit with 16 Doors and 2 Parcel Lockers - USPS Access – Type III
$3,150.00
$2,800.00
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Ships from: California
Usually ships within: 1 to 3 Business Days
Ships from: California
Usually ships within: 1 to 3 Business Days
Ships from: California
Usually ships within: 1 to 3 Business Days
Ships from: California
Usually ships within: 1 to 3 Business Days
Ships from: California
Usually ships within: 1 to 3 Business Days
Ships from: California
Usually ships within: 1 to 3 Business Days
Ships from: California
Usually ships within: 1 to 3 Business Days
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This Salsbury 3300 Series cluster box unit (CBU) gives 16 households locked mail doors plus 2 parcel lockers for packages, all on one matching pedestal. It is USPS approved and built for apartment complexes, planned communities, townhomes and office buildings. The mail carrier loads every door at once from the front, and each resident opens their own door with their own keys.
Highlights
- 16 locking tenant doors ("A" size, 12-3/4" W x 3-1/8" H) and 2 parcel lockers
- USPS approved, built to USPS "F" specifications by a USPS-licensed manufacturer
- Heavy-duty aluminum with stainless steel hardware and a weather-resistant powder coat
- Matching pedestal included
- 5-pin cylinder cam locks with dust/rain shields, 3 keys per tenant door
- Outgoing mail compartment with a weather flap
Specifications
| Brand / model | Salsbury Industries 3300 Series CBU, model 3316 |
|---|---|
| Tenant doors | 16 "A" size doors, 12-3/4" W x 3-1/8" H |
| Parcel lockers | 2 |
| Outgoing mail | Outgoing mail compartment with weather flap, 11-3/4" W x 3/4" H slot |
| Overall size | 30.5" W x 62" H x 18" D (with pedestal) |
| Weight | 175 lbs |
| Pedestal | Matching pedestal included |
| Material | Heavy-duty aluminum with stainless steel hardware |
| Finish | Weather-resistant powder coat |
| Colors | Sandstone, Bronze, Green, Black, White; Gray for replacement units only |
| Tenant locks | Heavy-duty 5-pin cylinder cam lock with dust/rain shield, 3 keys per door |
| Carrier access | Front access, two master door panels; carrier door takes a USPS-installed master lock |
| Standard | USPS approved, built to USPS "F" specifications; Salsbury USPS license # 1CDSEQ-08-B-0026 |
| Manufacturer | Salsbury Industries, ISO 9001:2015 certified, in business since 1936 |
What's included
- Cluster box unit
- Matching pedestal
- 3 keys per tenant door
- The USPS installs its own master lock on the carrier access door
Installation
Contact your local postmaster before you order. New CBU installs need USPS approval of the unit location, and the USPS installs the master lock on the carrier door. Email us at customercare@mailboxempire.com if you need help choosing door counts or matching existing units.

Shipping and returns
- Orders are processed within 24 hours, Monday to Friday, and ship direct from the manufacturer. Tracking is emailed to you.
- Ships from California, usually within 1 to 3 business days. Shipping estimate details.
- Free shipping.
- Returnable within 30 days of delivery if unused, not assembled or installed, and in all original packaging. Request a return first to get an RGA number. Commercial returns carry a 25% restocking fee, and heavy commercial items are returned at your expense, even when they shipped free.
- Report missing parts or damage within 48 hours of delivery. If your order arrives by LTL freight, check every box and note any damage on the bill of lading (BOL) before you sign.
- Full details: Cancellation and Return Policy.
Frequently asked questions
Is the pedestal included?
Yes. The CBU comes with a matching pedestal.
Who installs the mail carrier lock?
The USPS. The carrier access door is designed for a USPS-installed master lock.
Can I order Gray?
Gray is for replacement units only, to match existing gray installs. For a new installation, choose Sandstone, Bronze, Green, Black or White.
How many keys come with each door?
Each tenant door has a 5-pin cylinder cam lock with 3 keys.
How big are the tenant doors?
Each of the 16 tenant doors is a "A" size door, 12-3/4" W x 3-1/8" H.
How does it ship?
It ships free from California, usually within 1 to 3 business days. At 175 lbs it is a heavy item, so inspect every box on delivery and note any damage on the bill of lading before you sign.
Product specifications
| Material | Aluminum |
|---|---|
| Dimensions | — |
| Weight | — |
| Mailbox features | — |
| Included in box | |
| Estimated shipping |


































