
Vast
Experience
Professional
Team
High
Finish
Sustainable
& Accountable
About Us
Custom Stone Interiors
CSI has strategically expanded to fit the growth of State College and surrounding areas. With over40 years of experience between the owners (Jon Waltz and Jake Everhart) and nearly a century shop wide we revolutionize the countertop industry in State College. Together, we continue to adapt today to fit the market demand.
We invite you to explore our website and learn why we are central PA’s premier countertop fabricator. From the smallest residential project to large commercial projects we can meet any design requirement at a reasonable cost.
From Granite to Marble to Quartz, we carry the largest selection of Natural Stone and Engineered Stone products in Central PA. Explore our website and learn why kitchen and bath professionals, architects, cabinet manufacturers and general contractors choose CSI as their fabricator of choice for custom surface applications.
Complete customer satisfaction is our goal on every project we’re involved with. We will accept nothing less. Guaranteed!


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!