Salsbury Cluster Box Unit with 4 Doors and 2 Parcel Lockers – Includes Pedestal – USPS Approved – Type V


USPS Approved Cluster Box Units – All cluster mailboxes sold by Mailbox Emporium are approved by the USPS and considered the industry standard for outdoor, centralized mail delivery.
Superior Strength – High Security – Exceptional Durability

Original price was: $2,790.00.Current price is: $2,715.00.

Item#: 3305




Contact Us for Bulk Pricing

ON SALE - Additional 5% OFF!

  • Save Additional 5% on all Cluster Mailboxes (applied in cart)
  • Free Shipping - Ships in 3-5 Days
  • Free Lift Gate Service with Delivery
  • Free Anchor Bolts
  • Free Replacement Lock with 3 Keys
  • Free Standard Engraving
  • Lowest Price Guaranteed!
Fast & Free Shipping – Ships within 5 Business Days!
This field can't be Empty
This field can't be Empty
Please select an option value for: Bolt Kit

In Stock
Ships in 5 days

Salsbury 3300 Series Cluster Box Units (CBU’s) – USPS Access)Cluster Box Units (CBU’s) manufactured by Salsbury Industries provide USPS access and offer a secure means of receiving mail and packages. They are ideal for commercial use or residential applications such as housing developments, apartments or townhouses. The 3300 Series is a USPS accessible CBU that includes a matching pedestal. Our cluster mailboxes are an excellent choice for durability because they are constructed of heavy-duty aluminum and stainless steel. See the additional features of our CBU’s below.


  • Salsbury Industries is officially licensed and authorized by the U.S. Postal Service to manufacture Cluster Box Units (CBU’s)
  • Manufactured by Salsbury Industries to U.S.P.S. “F” Specifications
  • License # 1CDSEQ-08-B-0026
  • Ideal for commercial and residential developments
  • Include matching pedestal
  • Constructed of heavy duty aluminum and stainless steel hardware
  • Feature a durable powder coated finish available in sandstone, bronze, green, black, white and gray (for replacement units only)
  • Accessed from the front through 2 easy opening master door panels
  • Available in “A” size doors (12-3/4″ W x 3-1/8″ H), “B” size doors (12-3/4″ W x 4-7/8″ H) and “C” size doors (12-3/4″ W x 6-3/4″ H)
  • Doors include a heavy duty 5 pin cylinder cam lock with a dust/rain shield and 3 keys
  • One compartment is labeled “Outgoing Mail” and includes a weather protection flap and an 11-3/4″ W x 3/4″ H mail slot
  • Include a carrier access door for U.S.P.S. installed master lock
  • Include 1, 2 or 4 fully integrated parcel locker(s): Small (12″ W x 10″ H) and Medium (12″ W x 13-1/2″ H)
  • Salsbury Industries is an ISO 9001:2015 certified company and has excelled in the field of manufacturing since 1936


  • Custom engraved placards
  • Custom engraved doors – regular
  • Custom engraved doors – black filled
  • Replacement locks
  • Additional keys
  • Key blanks
  • Regency CBU decorative top
  • Regency CBU decorative pedestal cover

More Product Information

Installation Instructions

Technical Drawing


Why Shop Mailbox Emporium?


    • 5 Star Customer Service – At Mailbox Emporium, we strive to provide you with the best possible mailbox purchasing experience every time you shop with us. Check out our 5 star reviews and see why over 30,000 customers choose us for their mailbox needs. Have mailbox questions? No worries, we have the answers! Chat online or call one of our mailbox experts today.


    • Low Price Guarantee – Shop with confidence! We regularly check our competitors’ pricing to make sure we have the lowest prices online in the US. If you ever find a lower price from an authorized mailbox dealer, send it our way and we’ll beat it. Guaranteed!


    • Free & Fast Shipping – Yup, we offer that too. Free shipping is available on all products we sell in the continental United States. Many items are available to ship out in 2-3 business days.


    • Highest Quality Mailboxes – For commercial and community mailboxes, we sell only authorized Florence and Salsbury products. These two companies manufacture the highest quality mailboxes in the US and most products include a 5-year, worry free warranty. We are proud to sell American Made Mailboxes!


Call a Mailbox Specialist Today – 1-888-352-9194


SandyFL, United States
Great customer service and best price guaranteed! Thank you!!


Lois GGA, United States
Their customer service is outstanding. I needed to change my order and they complied with ease! Would highly recommend!