Colonie Block has been manufacturing concrete blocks and lightweight masonry blocks at the same location on Lincoln Avenue in the Village of Colonie, New York since 1955. That is just part of what we do! We offer competitve pricing and pride ourselves in the quality of the products we manufacture as well as the products we offer from other manufacturers. Colonie Block offers a diverse selection of building products and materials designed to assist you with all your landscaping and construction needs. Colonie Block specializes in sales of all types of concrete products: septic tanks, retaining walls, concrete blocks and shapes for construction purposes. We offer cultured stone for fireplaces, brick and other products, drainage systems and foundations repair and installation products.

Thomas Gentile started Colonie Block prior to 1955, he moved his buisness to the Village of Colonie in 1955 and it has been home to the family business for more than 60 years.


Mr. Gentile ran the business until his passing 2013.



Marlene Countermine, one of Thomas Gentiles daughters, took operations over at Colonie Block after her fathers passing. She successfully ran the business until selling it to Mary Clark in 2017.


Mary Clark purchased the land and business in November of 2017. Mary Clark is looking to the future with an expanded product offerings, accepting credit cards and an increased presence online.


Much of the staff has stayed the same and will continue to stay on for the future!