Reviews for Keystone Marble and Granite

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Nov 2025
Keystone Marble and Granite is a leading supplier of marble and granite serving residential and commercial clients in Delaware, Pennsylvania, and Ohio. With 25 years of combined experience, their team offers an incredible inventory of materials imported from around the world, including popular engineered stone brands. Customers praise Keystone for its amazing price, quick installation turnaround times, and exceptional customer service. The staff is friendly, professional, and knowledgeable, providing expert advice and guiding clients through their selection process. Clients also appreciate the opportunity to view different materials and the professional installation service by skilled technicians. The finished work is consistently beautiful and exactly as promised, with many reviews highlighting the precise measurements, spot-on cutting, and excellent installation. Overall, Keystone Marble and Granite is known for delivering high-quality products and services that leave customers satisfied.

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From Keystone Marble and Granite

Keystone Granite is one of the top marble and granite suppliers in the area. We offer residential and commercial services in Delaware, Pennsylvania and Ohio. We have a combined experience of 25 years among our fabricators and installers. Our materials are imported from all over the world. We are the accredited distributor for the most popular brands of engineered stone. Beauty does not have to mean expensive and painful. We offer competitive pricing and supply one stop shopping to our customers, as well as a very rapid turnaround time for installation.