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Available Faces & Colors:

NOTE: Stock faces and colors shown below. Custom colors are also available through special order when minimum quantities are met. Colors may vary compared to what is displayed online. To ensure satisfaction, please view actual product samples.



Keystone Retaining Wall Logo

Compac III Retaining Wall Blocks


The Keystone Compac III Retaining Wall Block is an engineered block size  designed for use on larger, structural retaining walls up to 50' in height. The Compac III is available in your choice of Straight-Face and Tri-Face styles. Custom faces, such as the California Chateau and Compac Contemporary, are also available in this block size. The CompacIII block has been time-tested on thousands of retaining wall projects and proven itself with unmatched reliability across many project designs and situations. The Compac III Retaining Wall Block is part of the Bella Vista Hardscape Collection.

  • Retaining Walls up to 50' with engineering
  • Excellent for straight, curved, and terraced retaining wall designs
  • Connect units using a straight fiberglass pin system
  • Matching Wall Caps Available
Keystone Compac III Retaining Wall Blocks



Product Specifications

The Keystone Compac III Retaining Wall Block is designed for larger, structural retaining wall applications. Connection between block units uses straight fiberglass pins. Available in the Tri-Face and Straight-Face options.


Keystone Compac III Retaining Wall Block Pieces

NOTE: All Sizes Are Nominal

Unit Specs
Width: 12"
Height: 8"
Length: 18"
Weight (lbs): 70
PCS/sqft: 1
Pallet Specs
PCS/pallet: 45
SQFT/pallet: 45 
LBS/pallet: 3,200



Matching Wall Cap

Finish your project by topping your retaining wall or freestanding landscape wall with the following wall cap option.


Questions? We Can Help.

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Chula Vista . Encinitas . Escondido . Lemon Grove . Murrieta . Santee . Vista