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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon162
    Verified marble and granite services reviews

Top-Rated Marble and granite pros in Cornwall - Updated Nov 2026

Avatar for JAC Creative Stone Works
JAC Creative Stone Works
4.7(
82
)
Tile: Natural Stone (Granite, Marble, Slate, Quartz, etc) - Install - For Business

Serving Cornwall, NY and surrounding areas

Approved

In business since 1990

Free estimates

Small jobs welcome

"I highly recommend JAC Creative Stone Works. Joe is professional and very knowledgeable. They installed a backsplash in our kitchen. It looks beautiful. Joe called a couple of days after the work was completed to see if we were satisfied. I will be using JAC Creative Stone Works for a future bathroom project."
 Ledge stone on a dining room wall
Kitchen backsplash
 Glass in shower
 Kitchen backsplash
Cultured stone behind a pellet stove

+146

Recommended by94%of homeowners
Avatar for Rock Stone Works Corp.
Rock Stone Works Corp.
5.0(
4
)
Stone Slab Countertops - Install (Granite, Marble, Quartz, etc)

Serving Cornwall, NY and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

We are sure you have seen it - the common tile installation. And while the rough edges and off-center grout lines may have their place among the masses, they certainly have no place with us. That?s because we are, quite simply, obsessed with quality. Since 1997 we have specialized in installing tile and marble floors, including travertine, porcelain and mosaics, as well as custom showers, garden tubs, floor warming systems and backsplashes. Working with interior designers, custom builders and directly with the homeowner, Joe assures outstanding craftsmanship and full installation compliance from start to finish on your project.

Rock Stone Works Corp.
Rock Stone Works Corp.
Rock Stone Works Corp.
4 neighbors recently requested a quote
J&R Home Improvements
5.0(
12
)
Tile: Natural Stone (Granite, Marble, Slate, Quartz, etc) - InstallTile: Natural Stone (Granite, Marble, Slate, Quartz, etc) - Repair

Serving Cornwall, NY and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

5 neighbors recently requested a quote
Avatar for MV Masonry & More LLC
MV Masonry & More LLC
5.0(
4
)
Tile: Natural Stone (Granite, Marble, Slate, Quartz, etc) - Install

Serving Cornwall, NY and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"I hired MV Masonry to repair a block retaining wall. After speaking to Mike he advised me to build a new one. I received a few other quotes first but went with Mike because he truly seemed like the only honest person I spoke to and he didn’t cut any corners. I know the wall is going to hold up. Mike was incredibly responsive and is very knowledgeable about what he’s doing. He doesn’t just try to quickly smack on a finish coat and call it a day like most of these other contractors and call it a day. I highly recommend him. You don’t find people like him anymore!!"
Retaining wall build
Retaining wall build
Brick firebox rebuild
Stairs and veneer
Stairs and veneer

+6

9 neighbors recently requested a quote
Avatar for Godinez Construction
Godinez Construction
5.0(
6
)
Tile: Natural Stone (Granite, Marble, Slate, Quartz, etc) - Install

Serving Cornwall, NY and surrounding areas

Approved

Free estimates

Credit card accepted

Offers commercial services

""I highly recommend ! They were professional, punctual, and did outstanding work. The job was completed quickly and with great attention to detail. Everything was left clean and looking perfect. Fair pricing, great communication, and quality workmanship. I will definitely use his services again and recommend him to friends and family.""
5 neighbors recently requested a quote
Avatar for Oneonta Home & Garden
Oneonta Home & Garden
5.0(
2
)
Tile: Natural Stone (Granite, Marble, Slate, Quartz, etc) - InstallTile: Natural Stone (Granite, Marble, Slate, Quartz, etc) - Install - For Business

Serving Cornwall, NY and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

"Mike was incredibly kind and helpful getting things done to code on our budget. He did our porch, firewall and kitchen floor without a big crew or making a huge mess. Highly recommend for anyone who needs a fix up or a bigger projects and needs to work on a budget! Will happily call him for any other repairs needed going forward."
Lake Front Cottage
Dry laid terrace retaining walls, work in progress
Lake front cottage
Dry laid bluestone retaining wall, work in progress
Dry laid bluestone retaining wall

+12

17 neighbors recently requested a quote
Avatar for Valencia Countertops
Valencia Countertops
5.0(
1
)
Stone Slab Countertops - Install (Granite, Marble, Quartz, etc)

Serving Cornwall, NY and surrounding areas

Approved

In business since 2018

Free estimates

Credit card accepted

Valencia Countertops is a full service countertop company that installs quartz and granite countertops in the Hudson Valley. In addition to installing your new countertop, we can assist with removal and disposal of your existing countertop and the installation of a tile backsplash. Figuring out what to do with your kitchen can be difficult at times and even feel overwhelming. Especially with all the colors and options available. We have over 12 years of experience helping customers choose the best countertop for their home at the best price. Sometimes our customers know exactly what they want. Most of our customers look for advice on what the best countertop is for them. We are happy to host you at our small showroom in Wappingers or to come out to your home for a free, in-home consultation that will allow you to select the countertop you have always wanted.

Azul Platino Granite
MSI Quartz- Calacatta Laza
MSI Quartz- Calacatta Laza
MSI Quartz- Calacatta Laza
Cambria Quartz - Portrush

+11

Response time8 hrs
Response rate89%
...
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Marble and Granite FAQs, answered by experts

The frequency for sealing marble countertops depends on several factors, including the quality and color of the stone, the type of sealant used, and the amount of traffic the surface receives. Marble has a porous surface that requires sealing to maintain its shine and resist scratches. As a general rule, you should seal countertops at least once a year. However, for heavily used surfaces, like those in a busy kitchen or family bathroom, you may need to reseal them every three to six months. Conversely, countertops in a rarely used guest bathroom might only need resealing every few years.

Professionals remove scratches, stains, and etching, restoring the stone’s natural shine and extending its lifespan.

Yes, limestone often turns yellow over time when improperly cared for. The stone contains natural iron deposits, which can oxidize when exposed to water, acids, or harsh chemicals, such as bleach. Without exposure to water or chemicals, limestone should not turn yellow. Always seal limestone countertops to protect them from moisture, and only use gentle cleansers designed for stone.

A water-based, low- or no-VOC sealer is typically a good choice for marble countertops. Choose a sealant that is certified safe for contact with food when applying to kitchen countertops. For high-traffic areas, look for formulas that have heat-resistant and acid-resistant features. While there are economical and convenient spray-on sealers, they don’t coat the surface as effectively as the ones you apply with a pad or brush. 

Rock salt and ice melts contain sodium chloride, aka salt, and are corrosive to metal and concrete. If used frequently over time, it can cause corrosion, discoloration, chipping, and cracking to patios, walkways, and driveways. You can try a rock salt alternative or hire a professional snow removal company instead. 

The Cornwall, NY homeowners’ guide to marble and granite services

From average costs to expert advice, get all the answers you need to get your job done.