Countertop Store in Horsham, PA

  • All In-House Fabricators and Installers
  • 1 – Year Workmanship Warranty
  • Limited Lifetime Product Warranty
  • Licensed, Insured & Bonded
  • Over 250 Stone Colors Available
  • 5-Star Service Reviews
  • Over 6000 Projects Completed
  • Dedicated Project Managers
  • Indoor Climate-Controlled Warehouse
Contact Us Today
Welcome to

Keystone Marble and Granite

As Keystone Marble and Granite, we are one of the top marble and granite suppliers in Pennsylvania, offering both residential and commercial services in Horsham. We have a combined experience of 25 years among our fabricators and installers.

Having a massive selection of natural stones with over 250 colors in stock, we are proud to be the accredited distributor of the leading brands of engineered Stones such as Silestone, Ceasarstone, Cambria, Hanstone, and LG.

Style and elegance do not have to be expensive. Therefore, we offer fair prices for quality products and one-stop shopping to our customers, as well as rapid turnarounds for templating and installation.

We offer an extensive selection of top-quality slabs at our countertop store in Horsham, PA.

Our Products

We offer widest selection of high-performance countertop surfaces.


Granite Collections

As a durable natural stone, granite is resistant to scratches, heat, chemicals, and stains. Although it has a porous surface and requires sealing, granite is among the low-maintenance natural stones. If you wish to complement your kitchen design with the classic beauty of granite, you should check out our offers on granite countertops in Horsham, PA. 


Marble Collections

Nothing can beat the unique beauty of marble. Coming with peerless veinings, marble countertops add a persona to any kitchen design. Besides, this elegant stone ensures longevity as long as it is maintained with a regular sealing routine. Are you looking for the best marble options that will perfectly complement your kitchen design in Horsham, PA? If so, you should check our finest marble slabs in Horsham, PA, for your kitchen remodeling project. 


Quartz Collections

As an engineered stone, quartz brings durability, functionality, and various style and color options altogether. As they ensure longevity, you can be confident that you will be using your quartz countertops for years to come. Besides, you will definitely find suitable quartz countertops as they come in endless color options. Discover quartz countertop colors in Horsham, PA, to find the best alternatives for your kitchen.

Super White Quartzite

Quartzite Collection

With their stunning look and exceptional durability, quartzite countertops bring the beauty of nature to your interior. Their low porosity makes it easy to maintain quartzite countertops and protect them from bacterial growth, mold, and stains. As Keystone Marble and Granite, we offer the best quartzite collection in Horsham, PA. 



Silestone is a leading brand that offers premium quality countertops made from quartz or recycled materials. Combining sustainability and innovation, Silestone ensures high performance and longevity for its products. Working only with top-quality brands, Keystone Marble and Granite offers the Silestone collection, in which you will definitely find the best quartz countertop alternatives that will beautify your interior design in the best way possible. 

Quartz Cloudy Gold

Paragon Exotic Stones

Paragon Exotic Stones masters crafting exquisite quartz countertops, fusing stunning design with unmatched durability. Each countertop embodies beauty, resilience, and practicality, epitomizing Paragon Exotic Stones' craftsmanship.

Why Choose Keystone Marble and Granite?


Having been in the industry since 2006, we have managed to bring our experience, vision, and quality craftsmanship together and offer meticulous solutions for our customers. 

Environmentally Friendly

As we acknowledge our role in protecting nature, we dedicate ourselves to making eco-conscious decisions. Accordingly, we use environmentally friendly materials and recycle waste stones with advanced technology.  


Prioritizing 100% customer satisfaction, we always offer the finest quality materials and well-experienced services so that our customers can have their dream kitchens where they will create lovely memories with their loved ones.

Affordable Services

Along with offering the best services in Horsham, PA, we also ensure competitive prices.

Quick Turnaround

We wish to provide our services by keeping your busy schedule in mind. For this reason, we offer a unique “Quick Turnaround” service to plan the estimation and installation processes according to your schedule. 

Highly-Trained Staff

We work with a well-experienced, insured, licensed, and bonded staff. Each team member gives great importance to doing their job in the best way possible to ensure our customers’ satisfaction. 

The Countertop Sale Process


Initial Consultation

You can get a quote with a phone call or email easily! Or, you can stop by our warehouse to receive pricing. Our well-experienced staff will be there to answer any questions you might have. We recommend you visit our warehouse to see our products and get a feel of exactly what kind of material you need for your design project.

Laser Templating

Our team will be able to plan your template and installation dates right after your contract is signed and the deposit is placed. Your template will be ready within a few days once we take your final measurements via laser.


Once your laser templating is finalized, the measurements will be sent to our facility to cut your slabs according to your project’s needs. Depending on which material you went with, you may be able to see your final slab. You can confirm the matter by reaching out to one of our sales representatives during the process.  


As we prioritize 100% customer satisfaction, we acknowledge our responsibility and be there for our customers from consultation to installation. Working only with highly skilled professionals, we offer attentive and detailed installation for our products.  Our installation team will be there at the scheduled time to install your brand-new countertops. All the industry safety protocols will be followed throughout the installation process. 

Our Services

Kitchen Countertops and
Bathroom Vanity Tops

As Keystone Marble and Granite, we offer durable, safe, practical, and stylish kitchen countertops and bathroom vanity tops that will be used for years to come with the utmost satisfaction. 
Our kitchen countertops guarantee longevity and strength, ensuring high performance in the most high-traffic area in your house.  Regarding bathroom vanity tops, as they are more exposed to humidity and liquid spills than kitchen countertops, all the bathroom vanity tops are user-friendly, meaning they are incredibly resistant to spills and bacterial growth.  

Get a Free Quote

It is easy to get a free quote from Keystone Marble and Granite! All you have to do is to provide one of our sales representatives with the dimensions of your kitchen and the stone selections you're interested in from our warehouse. They will then have your free quote done in just a few minutes!

Commercial Projects

As Keystone Marble and Granite, we are specialized in commercial countertop projects. Having years of experience and expertise in the field, we can offer endless commercial projects for our customers with our premium quality materials and well-experienced craftsmanship. Acknowledging the requirements of any commercial project and giving great importance to communication regarding the project, we do our best to ensure the utmost satisfaction of our customers. 

Request Your Free Estimate