Transform Your Kitchen with Custom Stone Countertops

Custom Granite, Quartz, & Marble Countertop Installation Serving Centre County & Central Pennsylvania

Free Estimates • 20+ Years Experience • Family-Owned • Licensed & Insured

TRUSTED BY THOUSANDS OF STATE COLLEGE HOMEOWNERS

WE’RE THE PREMIER GRANITE FABRICATION COMPANY IN CENTRAL PENNSYLVANIA

Custom Stone Interiors is State College’s premier granite countertop fabrication and installation company, serving State College, University Park, Pleasant Gap, and all of Central Pennsylvania. With over 20 years of experience and the largest stone inventory in Central Pennsylvania, we specialize in custom granite countertops, quartz countertops, marble surfaces, and complete kitchen and bathroom renovations. From our Bellefonte showroom and fabrication facility, we deliver exceptional craftsmanship to all of Central Pennsylvania.

OUR PROMISE

At CSI, our dedication remains unwavering, centered on achieving absolute customer satisfaction with each project we embrace. We demand nothing short of excellence - this is our enduring promise.

Material selection to fit your design ideas

Our Services

  • Our state-of-the-art facility uses laser templating and CNC technology to create perfectly fitted countertops. Every piece is custom crafted to your exact specifications, ensuring seamless installation and stunning results.

  • Don't replace damaged countertops - let us restore them. We handle everything from minor chips and cracks to complete surface restoration, often completing repairs in just one visit.

  • We partner with businesses, restaurants, and institutions throughout the region for their commercial stone needs. Our team understands the unique requirements of commercial projects, from durability standards to timeline constraints.

  • Create the perfect outdoor entertaining space with weather-resistant stone surfaces. We'll help you select materials that stand up to Pennsylvania weather while maintaining their beauty for years.

  • Transform your bathroom with custom stone shower surrounds, seats, and niches. Our seamless installations eliminate grout lines, creating a luxurious, low-maintenance spa experience.

Edge selection to fit your look

  • Roundover edge in 3D
  • Cross-section of a piece of granite labeled 'Ogee' with a curved profile and a cut outline.
  • Full Bullnose Edge in 3D
  • Demi Bullnose Edge in 3D
  • Standard (Polished Eased) Edge in 3D

Specialty edges that really wow

Modern kitchen with white cabinets, large island with white countertop, black bar stools, pendant lights, stainless steel appliances, and light wood flooring.

Waterfall Edge

Close-up of a granite kitchen countertop with a speckled beige, gray, and white pattern beside a row of maroon upholstered bar stools.

Live Edge

Marble kitchen island with a built-in sink and gold-colored faucet in a modern kitchen.
A kitchen island with a marble countertop, a built-in sink with a gold faucet, and three hanging pendant lights above. The background features white cabinetry, a decorative wall panel, and an arched doorway to a laundry area.

Technology to support every type of project

  • Kitchen Visualizer by MSI

    Kitchen Visualizer

  • Laser Templators LT-2d3d

    Laser Templators

  • Breton Smartcut Bridgesaw

    Breton Bridge Saw

  • Breton CNC

    Breton CNC

Coming Soon!

Try our new kitchen visualizer!

MSI Kitchen Visualizer in use
Marble surface with full marble backsplash
Marble Island
Modern Marble Kitchen
Dreamy Modern Marble Interior
Quartzite Island with backlighting
Custom Quartzite Island with back-lighting
Quartzite Island with backlighting
Classic Marble Island
Modern Marble Kitchen
Quartzite Island with backlighting
Quartzite Island with backlighting
A marble kitchen island under construction with workers installing it, surrounded by scaffolding and construction materials.
A person installing marble countertops in a kitchen, with the person wearing a cap and gray T-shirt, taping the counter edge, and a marble backsplash visible.

View our in stock slabs

Stacks of stone slabs in various colors and patterns lined up outdoors on pavement, with trees and a partly cloudy sky in the background.

Remnant is Available on Location

Remnant Stone at CSI

Looking to restore your kitchen?

Check out our partners at ICS for the best maintenance and services in State College. Services include:

Cutout Resizing

Crack Repair

Resealing (Lifetime Sealing with Granite Shield Products)

Drilling

Polishing

Etch Repair

Quartz and Granite Cleaner

Featured
Surface Cleaner
sale
Maintenance
Surface Cleaner
Maintenance
$20.00 $25.00
Maintenance

SCHEDULE A VISIT

At Custom Stone Interiors, we're eager to show you the beauty and craftsmanship that set us apart. Schedule a visit to our showroom and fabrication facility in Bellefonte, PA today!

PRODUCT KNOWLEDGE, FRIENDLINESS, VERY ACCOMMODATIVE AT INSTALLATION TIME. TOTALLY IMPRESSED ABOUT YOUR SERVICE. WE LOVE OUR COUNTERTOPS!

-RICCIARDI FAMILY

White Quartz Countertops in an all white kitchen
A bright modern kitchen with white cabinets, stainless steel appliances including a refrigerator, oven, and dishwasher, beige tile backsplash, and a windows over the sink letting in natural light.
Modern kitchen with white quartz countertop, stainless steel sink with high arch faucet, white cabinets, stainless steel appliances, potted orchids, bowl of lemons, and small green plants.
Modern kitchen with dark gray cabinets, stainless steel appliances, marble backsplash, wooden flooring, and a white marble island with decorative items and glassware.
Modern kitchen with white cabinets, gray wall, marble countertop, various fresh ingredients, flowers, and kitchenware.
Modern kitchen with white cabinets, a central island, stainless steel appliances, pendant lights, and a view into the living room with a brick fireplace and a wall-mounted TV.

PROUDLY SERVING CENTRAL PENNSYLVANIA

Primary Service Areas:

Bellefonte • State College • University Park • Pleasant Gap - Centre Hall • Boalsburg • Pine Grove Mills • Spring Mills

Extended Service Areas: - Lock Haven • Williamsport • Lewistown • Altoona • Tyrone - Huntingdon • Clearfield • DuBois