About Keystone Granite

A steadfast commitment to turning your dream kitchen into the reality of natural stone surfaces that embody strength and sophistication.

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Waterfall quartz island with seating in a Central Ohio kitchen fitted by Keystone Granite

Calacatta Miraggio Seaglass quartz countertop with soft grey veining

Our Legacy

Established in the downtown area of Columbus, Ohio, Keystone Granite is focused on high-quality granite, marble, quartz and quartzite slabs for countertops, vanities, backsplashes and other ornamental stone projects.

We have more than a decade of experience in the stone industry, and we work to make sure every slab we offer has been properly selected before it reaches a client. Our materials are 100% authentic and sourced from countries worldwide, and we handle custom fabrication, project consultation and expert installation ourselves rather than handing you between trades.

Our Missionis to enhance your kitchen with premium granite, quartz, marble and quartzite countertops from the industry top brands.

Our Commitmentis a complete design-to-installation process, run with local experience in Dublin and Columbus and clear communication at every stage.

100%

Authentic Stone

Every slab is genuine natural or engineered stone from the industry top brands, sourced from countries worldwide.

Keystone Granite countertop detail showing the polished edge and stone veining

Stone Types In Stock

Granite, quartz, quartzite and marble, all under one roof at our Westbelt Drive warehouse.

10+

Years of Experience

More than a decade selecting, fabricating and installing stone surfaces across Central Ohio.

Experience the difference in every step

A kitchen upgrade should feel exciting, not stressful. Here is how we keep it that way.

Quartz waterfall island and green shaker cabinetry in a completed Columbus kitchen

Clean Seams Matter

Seams are planned around the veining before a single cut is made, so the pattern carries across the run instead of stopping dead at the join.

Your Home, Not the Showroom

Showroom lighting is nothing like your kitchen. We bring samples to your room so the stone you choose is the stone you actually live with.

A Clear Timeline, Start to Finish

You know which day the template happens, which day the stone is cut and which day we install, so an upgrade never turns into an occupation.

Stone countertop run and backsplash in a finished Keystone Granite installation

We will come right where you need us

Book a free in-home design consultation and get a tailored price quote, with no obligation to go ahead.

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OVER A DECADE IN THE STONE INDUSTRY

100% AUTHENTIC NATURAL & ENGINEERED STONE

SERVING COLUMBUS & CENTRAL OHIO