Keystone Granite — Countertop Installation Services in San Antonio, TX

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Keystone Granite

★ ★ ★ ★ ★ 4.5 (6 reviews)

San Antonio, Texas

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Countertop Installation Services

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About Keystone Granite

Keystone Granite is a Countertop Installation Services professional based in San Antonio, TX, serving Bulverde, Garden Ridge, Hill Country Village, Hollywood Park, Live Oak, New Brau....

Keystone Granite, founded by John and Lynn Monahan, brings over 40 years of expertise in the residential and commercial markets. Specializing in solid surface, natural stone, and engineered countertops, we are committed to delivering elegance and excellence in the countertop and stone industry throughout San Antonio and its surrounding areas.

Services Provided

Stone & Concrete Installation Interior Design & Decorating Countertop Installation Services Tile & Stone Installation Services Home Renovation & Remodeling Services

Areas We Serve

Bulverde-TX, Garden Ridge-TX, Hill Country Village, Hollywood Park, Live Oak, New Braunfels-TX, San Antonio-TX, Shavano Park, Timberwood Park

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Projects

The Sanctuaries

Concan Texas Ranch Home

Oak Grove Culinary

Menger Springs Model Home

Residence in Vintage Oaks (2017)

Classic Oaks

Farmstead Home

Savannah Avenue

Canyon Reservoir

Granite Countertops at Vintage Oaks

Shavano Park Model Home

Colonial-Style Cream Kitchen

Reviews

Customers rated this pro highly for responsiveness, work quality, and professionalism.

Exceptional 4.5

★ ★ ★ ★ ★

6 reviews

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Michael J.

★ ★ ★ ★ ☆

Feb 19, 2026

The backsplash they installed looks amazing. The craftsmanship is evident, and it really transformed my kitchen. Highly recommend their work!

Sarah T.

★ ★ ★ ★ ★

Dec 02, 2025

Had my granite countertops installed last week, and I couldn't be happier. The team was professional and the quality is top-notch!

Jessica M.

★ ★ ★ ★ ★

Dec 01, 2025

Keystone Granite provided exceptional service from start to finish. The custom countertops they made for my kitchen are stunning and exactly what I wanted.

David W.

★ ★ ★ ★ ☆

Jul 24, 2025

I recently got quartz countertops installed, and they are gorgeous! The staff was friendly, and they completed the installation ahead of schedule.

Brian L.

★ ★ ★ ★ ☆

Jul 07, 2025

I was impressed with the variety of natural stone options available. The installation was seamless, and my kitchen looks brand new.

Emily C.

★ ★ ★ ★ ★

Apr 26, 2025

The service from Keystone Granite was outstanding! They helped me choose the perfect marble countertops that fit my style.

Contact

Business Name: Keystone Granite
Phone Number: Request a Call
Website: keystonegranite.com
Typical Job Cost: $1500.00 - 50,000
Address: 18975 Marbach Lane suite 291, San Antonio, TX, 78260

FAQ

We specialize in a wide variety of countertops to meet the needs of both residential and commercial clients. Our offerings include solid surface countertops, natural stone options such as granite and marble, as well as engineered quartz countertops. Each material has its unique characteristics, providing different aesthetics and functional benefits. Solid surface countertops are known for their seamless appearance and easy maintenance, while natural stone offers unparalleled beauty and uniqueness with every piece. Engineered quartz combines durability with customizable designs, making it a popular choice among homeowners. Keystone Granite ensures that every countertop is crafted with precision, using high-quality materials to deliver elegance and excellence in every installation.

Our services are available throughout San Antonio and its surrounding areas. We proudly serve communities including Bulverde, Garden Ridge, Hill Country Village, Hollywood Park, Live Oak, New Braunfels, Shavano Park, and Timberwood Park. Whether you are looking to renovate your kitchen, upgrade your bathroom, or enhance a commercial space, we are committed to delivering high-quality products and services to clients in these areas. Our experienced team is familiar with the local preferences and styles, ensuring that we can cater to the specific needs of each community. Reach out to us to see how we can assist you in your next project.

The process for obtaining custom countertops begins with an initial consultation, where we discuss your specific needs, preferences, and budget. During this meeting, we will explore various materials, colors, and styles to help you visualize your ideal countertop. Following this, we conduct a detailed measurement of your space to ensure a perfect fit. Once the design is finalized, we provide an estimate and timeline for the project. After your approval, our skilled team handles the fabrication and installation with great attention to detail. Throughout the process, we prioritize communication and quality, ensuring that you receive a product that exceeds your expectations. Keystone Granite is dedicated to making your vision a reality with our custom countertop services.

Our team is composed of highly skilled professionals with extensive experience in the countertop and stone industry, boasting over 40 years of combined expertise. Each member is trained in the latest techniques and best practices for countertop installation and stone fabrication. We prioritize ongoing education and training to stay updated with industry trends and advancements. Our staff is adept at handling both residential and commercial projects, ensuring that we can meet diverse client needs. Our commitment to quality craftsmanship and customer satisfaction has established us as a trusted name in the industry. With Keystone Granite, you can expect knowledgeable guidance and exceptional service from a team dedicated to excellence.

What differentiates our countertop services is our unwavering commitment to quality, craftsmanship, and customer satisfaction. We take pride in our extensive selection of materials, ensuring that clients have access to a variety of styles and finishes to suit their preferences. Our team focuses on personalized service, working closely with each client to understand their unique needs and vision. Additionally, we utilize state-of-the-art equipment in our fabrication process, which allows us to create precise and beautiful countertops. Our reputation in the San Antonio area is built on reliability and excellence, as we consistently deliver outstanding results. Keystone Granite strives to provide not just a product, but an experience that leaves an enduring impression.

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Keystone Granite

★ ★ ★ ★ ★ 4.5 · 6 reviews

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