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About Us
Custom Stone Interiors
Welcome to the distinguished homepage of CSI (Custom Stone Interiors), an organization strategically poised to meet the evolving needs of State College and its neighboring areas. With a combined experience of over 40 years between our esteemed owners, Jon Waltz and Jake Everhart, and nearly a century of expertise across our entire team, we are revolutionizing the countertop industry in State College. Continuously adapting to meet market demands, we pride ourselves on being at the forefront of innovation.
We extend a warm invitation to explore our website and discover why we are the foremost counter-top fabricator in Central PA. From small-scale residential projects to expansive commercial ventures, we possess the capability to fulfill any design requirement while maintaining a reasonable cost structure.
With an unparalleled selection of Natural Stone and Engineered Stone products, including Granite, Marble, and Quartz, we proudly boast the largest inventory in Central PA. Delve into our website to ascertain why kitchen and bath professionals, architects, cabinet manufacturers, and general contractors consistently choose CSI as their preferred fabricator for bespoke surface applications.
At CSI, our unwavering commitment is to achieve complete customer satisfaction on every project we undertake. We settle for nothing less than excellence—this is our steadfast guarantee.


Recent Projects
Click the link at the bottom of the gallery to see more!

























Testimonials
“Everyone is so friendly and willing to help you anytime at business or phone. Quality of work is great!”
Greg & Bonnie Breon, Bellefonte, PA
“I would recommend CSI to all or my family, friends and clients. They are friendly and professional. They cleaned up after themselves and performed my countertop installation quick and promptly.”
The Riley's, State College, PA
THE RILEY'S, STATE COLLEGE , PA
“Product knowledge, Friendliness, very accommodative at installation time. Totally impressed about your service. The countertop looks beautiful."
Tony and Silvana Ricciardi
Bellefonte, PA
Many thanks to all of you at Custom Stone Interiors for the wonderful job you did on my countertops. Eric was so helpful and patient, even when my order changed right before shipping. Bob and Brian did an excellent job of taking the old tops off and installing the new ones. I would HIGHLY recommend your serve to anyone!