What Stone Countertops Cost and How They're Installed in South Carolina

Stone countertops are the most durable option you can buy, but they require professional installation and regular sealing

Stone countertops—granite, marble, quartz, and soapstone—outlast laminate and solid surface materials by decades. They resist heat and scratches better than most alternatives, and they add resale value to your home. The trade-off is cost: stone runs $50 to $200 per square foot installed, depending on the type and thickness, and some stones need annual sealing to prevent staining and water damage.

In South Carolina, most stone countertop work goes through local fabricators who measure your space, cut the stone to fit, and send installers to set it in place. The process takes four to eight weeks from order to installation, and you'll need to be home when crews arrive—the work typically takes one to three days depending on your kitchen's size and layout.

Key Takeaways

• Granite and quartz are the most common stone choices in South Carolina; granite is cheaper but requires sealing every one to three years, while quartz never needs sealing.
• Stone countertops cost between $50 and $200 per square foot installed, with the final price depending on the stone type, thickness, edge detail, and whether your cabinets need reinforcement.
• Installation involves a site visit to measure, fabrication at a shop (usually four to six weeks), and then one to three days of on-site installation by the fabricator's crew.
• Granite and marble can crack or chip if struck hard, and marble stains easily from acidic foods; quartz and soapstone are more forgiving but cost more upfront.
• Most fabricators offer a one-year warranty on installation and seams, though stone itself is typically warranted by the supplier for defects only.

Granite versus quartz: the two most popular choices in South Carolina kitchens

Granite is the traditional choice and remains the most affordable stone option. It's a natural igneous rock with visible flecks and patterns that vary from slab to slab. Granite resists heat well—you can set a hot pan directly on it—but it's porous and needs sealing every one to three years to prevent staining from oil, wine, and acidic foods. In South Carolina, granite typically runs $40 to $100 per square foot installed.

Quartz is engineered stone made from crushed quartz mixed with resin and pigment. It's non-porous, so it never needs sealing, and it resists staining better than granite. The downside is cost: quartz runs $60 to $150 per square foot installed. Quartz also can't handle direct heat the way granite can—you should use a trivet under hot pans—and it can discolor if exposed to direct sunlight for years. For most South Carolina homeowners, quartz makes sense if you want low maintenance; granite makes sense if budget is the priority.

Marble and soapstone are less common but worth considering. Marble is soft and stains easily from lemon juice, vinegar, and tomato sauce, so it works better in bathrooms or low-traffic kitchens. Soapstone is dense and naturally non-porous, so it never needs sealing, but it's dark (usually charcoal or black) and can scratch more easily than granite. Both cost $60 to $150 per square foot installed.

How the measurement and fabrication process works

The first step is a site visit from the fabricator. They'll measure your countertop space, note the location of the sink, cooktop, and any islands, and check whether your cabinets are level and strong enough to support stone. Stone is heavy—granite weighs about 13 pounds per square foot—so cabinets sometimes need reinforcement with additional plywood or support brackets underneath. The fabricator will tell you at this visit if that's necessary and what it will cost.

Once you've chosen your stone slab and signed the contract, the fabricator takes the measurements to their shop and cuts the stone to fit your space. This takes four to six weeks on average in South Carolina, though some shops can rush orders for an extra fee. During this time, you'll typically choose your edge detail—whether you want a simple straight edge, a beveled edge, an ogee (curved), or something more ornate. Edge details add $5 to $15 per linear foot to the cost.

The fabricator will also cut the sink opening and any cooktop cutouts at the shop, and they'll create seams if your countertop is longer than a single slab. Seams are glued and polished to be nearly invisible, but they're a weak point if the stone is porous (like granite or marble), so the fabricator will seal the seam area during installation.

Installation day and what to expect

Installation typically takes one to three days depending on the size of your kitchen and whether you have an island. The crew will arrive with the stone slabs on a truck, remove your old countertops if you're replacing them, and set the new stone in place using a thin-set mortar or epoxy adhesive. They'll check that everything is level and properly supported, then polish the surface and seal it if it's granite, marble, or soapstone.

You won't be able to use your kitchen during installation, so plan accordingly. The crew will need access to your sink and cabinets, and they'll likely need to turn off water to the sink during the work. Most fabricators ask that you stay out of the kitchen while they're working, both for safety and to avoid dust and debris.

After installation, the fabricator will show you how to care for your stone. If you have granite or marble, they'll explain the sealing schedule and recommend a sealer brand. If you have quartz or soapstone, they'll tell you that sealing isn't necessary but that you should still avoid prolonged direct sunlight and use trivets under hot cookware.

What stone countertops cost in South Carolina

The total cost depends on several factors: the type of stone, the thickness (typically 1.25 inches or 2 inches), the size of your countertop, edge details, and whether your cabinets need reinforcement. A typical 25-square-foot kitchen countertop in granite might run $1,500 to $2,500 installed; the same space in quartz might run $2,000 to $3,500. Islands, waterfall edges (where the stone wraps down the side of the island), and complex seam work add to the cost.

Most South Carolina fabricators require a deposit—usually 50 percent—when you sign the contract, with the balance due before installation. Some offer financing through third-party lenders if the total is over a certain amount. Always ask whether the quote includes removal of your old countertops and disposal, because some shops charge extra for that.

Maintenance and sealing after installation

Granite, marble, and soapstone are porous and can absorb liquids if left sitting on the surface. Granite and marble need sealing to prevent stains; soapstone is naturally non-porous but benefits from occasional oiling with food-grade mineral oil to maintain its color. Quartz doesn't need sealing because it's engineered to be non-porous.

For granite and marble, most fabricators recommend sealing every one to three years, depending on how much use your countertop gets. You can test whether your granite needs sealing by dropping water on it—if the water beads up, the seal is still good; if it soaks in, it's time to reseal. Sealing is a DIY job that costs $100 to $300 for a typical kitchen, or you can hire a professional to do it.

All stone countertops should be cleaned daily with warm soapy water and a soft cloth. Avoid acidic cleaners on marble and granite, and never use bleach or vinegar. For quartz, avoid abrasive scrubbers and prolonged direct sunlight. Trivets should go under hot pans on all stone types, though granite is the most heat-resistant.

Choosing a fabricator in South Carolina

Most stone countertop work in South Carolina is done by local or regional fabricators rather than national chains. You can find them through a Google search for "granite countertops near me" or "quartz countertops [your city]," or ask your kitchen contractor for a referral. When you call, ask how long they've been in business, whether they do the installation themselves or hire subcontractors, and what warranty they offer on seams and installation.

Get at least three quotes before deciding. Each quote should specify the stone type and thickness, the edge detail, whether cabinet reinforcement is included, and the timeline from order to installation. Ask to see samples of their work—either photos or actual kitchens you can visit—and check online reviews on Google and the Better Business Bureau.

South Carolina doesn't license countertop installers the way it licenses electricians or plumbers, so there's no state board to check. That makes referrals and reviews even more important. Ask each fabricator for references from recent customers and actually call them.

Frequently Asked Questions

Can I install stone countertops myself?

No. Stone is too heavy and too unforgiving to install without professional equipment and experience. Mistakes in sealing, leveling, or adhesive application can lead to cracking, water damage, or countertops that shift over time. Hire a fabricator to do the work.

What's the difference between honed and polished stone?

Polished stone has a shiny, reflective surface and shows fingerprints easily. Honed stone has a matte finish and hides fingerprints better, but it's slightly more porous and stains more easily. Both are available for most stone types. Honed is often preferred in kitchens for this reason.

Do I need to seal quartz countertops?

No. Quartz is engineered to be non-porous, so it doesn't need sealing. You should still clean it regularly and use trivets under hot pans, but sealing is not necessary and won't help.

How long do stone countertops last?

Granite and quartz typically last 20 to 30 years or longer with proper care and sealing. Marble and soapstone can last just as long but are softer and more prone to scratching and staining, so they may show wear sooner in a busy kitchen.

What happens if my stone countertop cracks?

Small cracks can sometimes be repaired by a fabricator using epoxy or resin to fill the crack and restore strength. Large cracks or chips usually require replacing the entire slab or section. This is why the fabricator's warranty on installation matters—if a crack appears within the warranty period due to poor installation, they should fix it at no cost.