* Up to 40 sq.ft. * Select Granite Colors * as low as $39 per sq.ft.


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Over 200 Stone Colors, Over 2000 Slabs Inventory


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Over 25 years of experience in fabricating and installing

Licensed – Bonded – Insured

What Our Customers Say

Granite, Marble and Quartz Countertops

Keystone Granite is one of the top marble and granite supplier. We offer residential and commercial services in Delaware. We have been in the business of making homes and commercial buildings beautiful in Lancaster, Pennsylvania . We have a combined experience of 25 years among our fabricators and installers.


quartz countertops cost

Kitchen Countertops

Functional, durable, and most importantly, food safe.  You can get all of these features when you get your stone slabs from and installed by Keystone Granite.

marble and granite

Fireplaces and Surrounds

There is nothing like a fire to cheer up any house, and stone surfaces make it very attractive indeed.

granite counters


Backsplashes are meant to protect the walls from oil and other liquids, and are often made of ceramic tile. An elegant alternative is stone backsplashes.

cost of quartz countertops

Bathroom Vanities

Bathroom vanities do not get the same amount of use as kitchen countertops, but they are subject to almost constant humidity and various liquid spills.


We have been growing our reputation as the best product and service provider of prime quality marble and granite slabs and installation. We continue to improve our offerings to give our clients the best possible experience. 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.

Our materials are imported from all over the world. We are the accredited distributor for the most popular brands of engineered stone (Quartz Countertops Cost). Our clients have more than 2,000 slabs with over 200 color choices available in our warehouse. We specialize in providing kitchen countertops, bathroom vanities, showers, tub and fireplace surrounds. You are also able to obtain a variety of samples, sinks and faucets that are located at our showroom. Wherever you need durable, beautiful surfaces, Keystone Granite is your best option. These include stones made of:

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granite slabs


Beautiful and one of the most durable natural stones, this is one of the best materials for stone surfaces in the home and exteriors of commercial buildings.

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marble slabs


The luster and depth of true marble is incomparable to any other type of stone material, ideal for high-quality pastry tables and beautiful bathroom vanities

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silestone countertops


A brand of engineered quartz containing 94% quartz, it is a popular choice for kitchen and bathroom stone because the manufacturers offer a certified warranty

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zodiaq silestone


Another brand of engineered quartz, this has a distinctive diamond-like shimmer due to a patented process of the manufacturer and GREENGUARD Certified®

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cambria countertops


This engineered stone is made of 93% quartz and shares many of the features of other engineered quartz surfaces, which makes it ideal for use in the kitchen

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caesarstone countertops


Made of about 93% natural quartz, this is a durable and stunning material that comes in a wide range of patterns and colors for your shower, kitchen, and fireplace surrounds

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My husband and I got our kitchen and bathroom vanity done with Keystone. The whole process from start to finish was a great experience. Everyone was very professional. The install was perfect.If you are in the market for new Granite Counter tops go to Keystone!
Connie Hawk
We have used Keystone Granite and Tile for many, many kitchen and bathroom counters in our Apartment Community here in Lancaster PA. The team is prompt, responsive and the quality of the work is outstanding. They are always on time and get the job done correctly.
Leah Connors
Working with Keystone Granite takes the renovation work headache away. They have quality granite, tile and workmanship. They are reliable, neat and can do the job in less time than any other contractor.
I highly recommend them.
Linda Richman
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Our process

 We pride ourselves in unparalleled service and quality from our order processing, delivery and quality control. We make it easy for our clients to get the stones they need when they need it, and we provide expert fabrication and installation services with the minimum of muss and fuss. You can be sure that we will address your needs faster than you can say “Keystone Granite & Tile.”

Quartz Countertops Cost

It is easy to get an estimate for the project you have in mind. Simply fill in our free estimate form and we will give you the information you need to make the best decisions for your home remodel, office upgrade, or build. We will provide you with samples of the stones you like the best so that you can actually feel and see what you will be getting, and you will have a chance to consult with your designer about the best ones for your current project. Once you choose and order the stone slabs you need, the process goes quite quickly. We pride ourselves in fabricating your stone slab to your specifications for a perfect fit. We also provide quartz countertops cost less. We will deliver and install your high quality products quickly and painlessly.


Any client wants an assurance that they will get what they pay for. We do that with the greatest pleasure. Our primary goal is to give our clients the best experience possible when looking for help with their stone slab needs. We make sure that we only give our clients the best quality natural stone available, and only promote the top quality engineered stones, all at the most competitive prices possible.

We believe that we are uniquely qualified to do this with our years of experience in the field. We are so confident that you will love our services that we offer a one-year warranty for all of our installations. That is not all. All our engineered stones have a limited lifetime warranty provided by the manufacturer. We are licensed and insured; you have the assurance of quality work. You have nothing to fear when you bring your needs to and do business with Keystone Granite.

Many savvy designers encourage property owners to invest in stone to increase the value of the home or commercial space in incredible ways. It is easy enough to see why once you see and feel the effects of high quality stone surfaces. The trick is to take the leap and make the right decisions Make as part of that decision, make it Keystone Granite.

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