6459 State Highway 23
Oneonta, NY 13820
607-432-6641 • Fax 607-433-6284
65 State Route 369
Port Crane, NY 13833
607-648-7051 • Fax 607-648-7050
Oneonta Block Company

Diamond Spec Sheet .pdf

Basic Installation .pdf
Español .pdf

Advanced Installation Tips

Download Full Specs .doc

Available in the following colors



Victorian Red

Natural Gray

Desert Tan

Download Retaining Wall Brochure

Download our Retaining
Wall Brochure (pdf)

The Diamond® Block is ideal for retaining walls featuring inside and outside curves, 90° corners and retaining walls up to 4' tall. Note: For walls higher than 4' tall, you must hire a contractor.

Manufactured to
NYS 704-07 Specifications

New York State DOT approved
Retaining wall in stock, ready to ship.
Available in Natural Gray & Desert Tan