Quality. Precision. Built to Last. | Call (508) 382-2032

Call Us
Call Us
(508) 382-2032

Exceptional Spaces.

Custom granite, quartz, marble, and quartzite countertops, thoughtfully selected to complement your home and crafted to bring your vision to life.

STONE AS ART. SPACES TRANSFORMED.

Beatiful Stone.

Get a Free Quote

________

Quality You Can Trust.

Results That Last.

Your Project, Our Priority.

At Keystone Marble & Granite, we specialize in custom countertops and stone installations for homes and businesses throughout New England. With over 10 years of industry experience, we deliver reliable service, quality materials, and professional results.

Whether you're renovating your kitchen, upgrading your bathroom, or planning a custom stone project, our team is here to make the process simple and stress-free.

From selecting the right material to precise measurements, custom fabrication, and professional installation, we take care of every detail to ensure your project meets your expectations.

What We Do
Free Estimate
— PROJECT INTAKE

01 | Share Your Project

Whether you're a homeowner planning a renovation or a contractor managing a new project, we're here to make the process simple.

Tell us what you have in mind, share your project details, and our team will help you take the next step.

Find Your Perfect Surface

Granite

Marble

EXPLORE YOUR OPTIONS

From timeless natural stone to contemporary engineered surfaces, discover materials that complement your home.

NATURAL CHARACTER. EVERYDAY STRENGTH.

For those who love natural texture and lasting durability. Granite offers distinctive mineral patterns and excellent resistance to everyday wear—a versatile choice for hardworking surfaces, indoors and out.

Free Estimate
Explore Granite →

                                                      White Ice Granite 

                                               Bianco Carrara Marble

YOUR STYLE. SIMPLIFIED.

Explore Marble →
Free Estimate

Choose marble for its graceful veining and unmistakable elegance. Especially suited to fireplaces, bathroom vanities, and decorative features, it rewards thoughtful care and develops a patina over time. A beautiful choice when character matters more than a flawless finish.

CLASSIC ELEGANCE. DISTINCTIVE PRESENCE.

Quartzite

Explore Quartzite →
Free Estimate

                                                  Taj Mahal Quartzite

Drawn to expressive veining without the softness of marble? Quartzite combines flowing patterns with impressive hardness, making it a compelling choice for statement islands, feature walls, and spaces that deserve a standout surface.

STRIKING VEINS. NATURAL RESILIENCE.

Quartz

Explore Quartz →
Free Estimate

                                              Calacatta Siena Quartz

Enjoy effortless style with engineered quartz. Its nonporous surface resists stains and never needs sealing, while a wide range of colors and patterns makes it easy to create a coordinated look. A practical, low-maintenance choice for everyday living.

Fabrication philosophy

We never broker out stone installations

From laser digital templating over finished cabinet boxes to final undermount sink setting, our own full-time shop crew carries every slab through production and installation.

Request Project Estimate

Plan your stone installation

Send architectural prints or cabinet layouts. We verify square footage, discuss overhang bracing requirements, and provide itemized estimates for fabrication and fitting.