Cornerstone Restorations

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Cornerstone Restorations Natural stone restoration & maintenance for luxury homes, estates & architectural spaces.

Led by a fourth generation stone craftsman serving NY, Greenwich, the Hamptons & South Florida.

When you're trusting a team to work inside your home or a property you manage, you should know exactly what to expect.Th...
10/14/2026

When you're trusting a team to work inside your home or a property you manage, you should know exactly what to expect.

That's why we follow a defined process at Cornerstone.

We start by understanding the property, assessing the stone, and discussing what needs to be done. From there, we develop a clear scope of work for your review and approval before moving forward.

Once the project is scheduled, our team prepares the space, carries out the work, and reviews the results.

No guessing about the next step. No wondering where things stand.

Whether you're a homeowner, estate manager, or property professional, our goal is to make the entire experience as straightforward as possible.

Take a closer look at how we work:
cornerstonerestorations.com/provenprocess

If you have marble in your kitchen, you've probably seen it: a cloudy ring where a glass of w**e or a lemon wedge sat a ...
10/12/2026

If you have marble in your kitchen, you've probably seen it: a cloudy ring where a glass of w**e or a lemon wedge sat a little too long. It looks like a stain. It isn't.

That's an etch. The acid reacts with the calcium in the stone and dissolves the polished finish. Marble, limestone, travertine and onyx are all susceptible. Granite mostly isn't.

The part most people don't expect: sealing doesn't prevent it. A good sealer slows liquids from soaking in, which protects against stains. Etching happens on the surface.

What helps: trays and coasters at the bar and coffee station, wiping up acids quickly, and pH-neutral cleaners only.

What fixes it: professional refinishing.

Worth knowing before the cranberry sauce and cocktails come out next month.

Questions about your stone? Send us a message or call (631) 747-1250.

If you’re getting your home ready before the holidays, start with the kitchen.It’s one of the hardest-working rooms in t...
10/09/2026

If you’re getting your home ready before the holidays, start with the kitchen.

It’s one of the hardest-working rooms in the house year-round, and it’s about to get even busier.

Take a closer look at your natural stone countertops and islands. Dull areas, etching, stains, scratches, or changes in the finish are all worth noticing now, not the week before guests arrive.

And if you’re not sure what you’re looking at, you don’t have to diagnose it yourself.

An assessment can help determine what the stone actually needs and whether restoration, refinishing, or maintenance makes sense.

October gives you time. November gets busy.

Cornerstone Restorations
Natural stone restoration • refinishing • maintenance

10/08/2026
November will be here before you know it.If your kitchen countertops, floors, bathrooms or other natural stone surfaces ...
10/07/2026

November will be here before you know it.

If your kitchen countertops, floors, bathrooms or other natural stone surfaces need attention before holiday entertaining begins, October is the time to take a closer look.

Dull areas, etching, staining, scratches or an uneven finish are all worth addressing now rather than noticing them when the house is already full.

Not sure what you're looking at? That's where an assessment helps.

If you're hoping to have your stone restored, refinished or maintained before the holidays, now is a good time to get on the schedule.

Cornerstone Restorations
Natural stone restoration • refinishing • maintenance

A little of what happens between the before and after.Different steps. Different tools. A lot of attention to what’s hap...
10/02/2026

A little of what happens between the before and after.

Different steps. Different tools. A lot of attention to what’s happening at the surface.

Most people only see the finished stone. These are a few of the moments our team sees along the way.

Because with natural stone restoration, the process matters just as much as the finished photo.

And a little appreciation for the products behind the process. We’ve been using MORE® Surface Care products in the field and are always happy to work with brands that understand natural stone. MORE Surface Care

📍Cornerstone Restorations
Natural stone restoration • refinishing • maintenance

Not every stone surface is straightforward.This sink is a good example.There are horizontal surfaces, vertical surfaces,...
09/30/2026

Not every stone surface is straightforward.

This sink is a good example.

There are horizontal surfaces, vertical surfaces, inside corners, edges and transitions, all within one small area. When stone like this needs restoration or maintenance, those details matter just as much as the material itself.

It’s also why we look at the entire installation before deciding how a surface should be approached.

A pretty interesting one from a recent Cornerstone site visit.

Natural stone restoration | Marble restoration | Stone countertops, vanities & architectural surfaces

FIELD NOTES | EXTERIOR STONE 🔎Surface: Natural stone outdoor countertopSetting: Exterior kitchenExposure: Weather + ever...
09/28/2026

FIELD NOTES | EXTERIOR STONE 🔎

Surface: Natural stone outdoor countertop
Setting: Exterior kitchen
Exposure: Weather + everyday use

On site:
• Checking the overall condition of the stone
• Looking at how the finish is wearing
• Noting changes across high-use and exposed areas
• Checking for staining, surface wear and previous treatments
• Documenting the condition before recommending any restoration or maintenance

Exterior stone has a different set of variables than the stone we see indoors. Sun, rain, temperature changes and regular use all become part of the assessment.

The first step is figuring out what the stone is telling us.

From a recent Cornerstone Restorations site assessment.



Earlier this week, we shared a little of what happens between the before and after. Here’s a closer look.A finished surf...
09/25/2026

Earlier this week, we shared a little of what happens between the before and after. Here’s a closer look.

A finished surface may look simple, but getting there means taking care of everything around it too. Protecting the space, working carefully through the surface, and paying attention to the details are all part of the process.

Swipe through for a look behind the scenes and at the finished space.

It’s the part of restoration you don’t always get to see.

The finished result gets most of the attention, but there’s a lot of work that happens before we get there.Protecting th...
09/23/2026

The finished result gets most of the attention, but there’s a lot of work that happens before we get there.

Protecting the surrounding space, understanding the condition of the stone, choosing the right approach, and carefully working through the restoration are all part of the process.

For us, a great result isn’t only about how the stone looks when we leave. It’s also about how we care for the space while we’re there.

A little behind the scenes with the Cornerstone team.

Address

Kings Park, NY
11754

Opening Hours

Monday 8am - 6pm
Tuesday 8am - 6pm
Wednesday 8am - 6pm
Thursday 8am - 6pm
Friday 8am - 6pm
Saturday 8am - 6pm
Sunday 8am - 6pm

Telephone

6317471250

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