Rancho Cucamonga Custom Countertops is San Bernardino County's trusted specialist for granite countertops in Rancho Cucamonga, CA, specializing in slab selection, pattern-matched seam layout, and edge profiling. We offer full kitchen granite and single-slab bathroom vanity tops.
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Or call (909) 922-1858. Calls only, we do not receive text messages.
Our team provides digital templating on your installed cabinets, delivering granite countertops that suit the stone you picked for homes, and a clean trade path for remodelers and cabinet shops, for both residential and commercial projects. The same crew that templates your kitchen sets the granite, and we lay out the seams on your chosen slab and get your sign-off before the first cut.
From undermount sink cutouts polished inside the bowl opening to rodded supports under a long overhang, our team handles every detail. Serving Rancho Cucamonga, Upland, Fontana and Ontario, we keep the wait between template and install short and leave behind granite that reads as one piece of stone.
How we work
Homeowners get a free template visit. Contractors, cabinet shops and builders get tops to their schedule.
For granite countertops in Rancho Cucamonga, the slab you approve is the slab we cut, because granite is a natural rock and no sample chip can promise what a full slab will show. Granite forms when silica-rich magma cools slowly underground, and it is made mostly of quartz, alkali feldspar, mica and plagioclase. The mix of those minerals changes from one part of a quarry to the next, which is why a color sold as one name can arrive warmer, darker or busier than the chip in a showroom binder.
So the first real step on a granite job is a visit to the stone supplier with your kitchen measurements in hand. You look at the full slabs, not a photo. We help you check the things that change how a slab can be used:
Once you approve a slab, it is tagged for your job. Nothing gets swapped for a similar piece later.
If you are a remodeler or a cabinet shop buying tops for a client, the same rule protects you. A client who picked the slab is a client who accepts the veining. We can meet your client at the supplier, record the approved slab, and fabricate to your cabinet drawings, so the choice is on record before your install date.
Seams on granite are planned on the chosen slab itself so that the pattern flows across the joint instead of stopping at it. Most kitchens need at least one seam, because slabs come in fixed sizes and an L-shaped or U-shaped run rarely fits on one piece. The question is not whether there is a seam. It is where the seam sits and how well the stone on each side matches. We photograph the slab, lay your template pieces over the image, and move them until the veins line up at each joint. You see the plan before we cut, and you can ask for a seam to move. The Natural Stone Institute's installation guidance calls for reviewing the actual slab layout on highly patterned stone and approving seam, edge and cutout decisions before fabrication starts, and that is the order we work in.
Away from the sink and the cooktop, where heat and water work on a joint every day. At a corner or where a run changes direction, where the eye expects a break. Over solid cabinet support, never floating over an open span or a dishwasher opening.
The two edges are cut straight, pulled tight with seam setters, and filled with an epoxy tinted to the stone's background color. A good granite seam is visible if you look for it and easy to miss if you do not. A busy, speckled granite hides a joint well; a stone with long, directional veining asks for more care in the layout, which is exactly why the layout is done on your slab.
Most granite kitchen tops in Rancho Cucamonga homes are installed at about 3 centimeters thick, which is strong enough to span standard cabinets without a plywood deck underneath. Thinner 2 centimeter granite is common in bathrooms and can be built up at the edge with a mitered strip so it looks heavier than it is.
Eased edge: a square edge with the sharp corner softened. Clean, modern, and the least likely to chip. Bevel: a small angled cut along the top that catches light. Half bullnose and full bullnose: rounded profiles that are kind to hips and to children. Ogee: a decorative S curve that suits traditional cabinetry and costs more to shape. Mitered edge: a second strip joined at 45 degrees so the front reads as a thick block.
Granite is heavy, around 2.65 to 2.75 grams per cubic centimeter, so a seating overhang needs a plan. A short overhang on a 3 centimeter top can rest on the cabinets alone. A deeper breakfast bar needs steel flat bar or brackets hidden under the stone, and we mark those supports at the template visit so your cabinet installer or remodeler knows what goes where.
Granite countertops in Rancho Cucamonga are typically estimated at roughly $40 to $100 per square foot installed for common granites, with the specific slab, the thickness and the number of seams moving the price most. Rarer and more dramatic stones sit above that band, and exotic granites are usually estimated at around $100 to $200 per square foot installed.
A mid-sized kitchen of 30 to 40 square feet in quartz or granite is typically estimated at roughly $2,500 to $6,000, before a large island or a full-height backsplash. Every figure on this page is an estimate for Rancho Cucamonga and is subject to change with slab availability; the final price comes from your written quote after the template visit, once the slab, the seams and the edge are settled.
Granite handles daily kitchen use well, and it is valued in U.S. kitchens partly because it resists acids better than marble. A lemon or a splash of vinegar that would dull marble usually leaves granite untouched. Hot pans are less of a worry on granite than on engineered quartz, though a trivet is still good practice near a seam.
Whether your granite needs sealing depends on the specific stone. The Natural Stone Institute notes that most granite countertops do not need to be sealed, while lighter and more porous granites gain stain resistance from a quality impregnating sealer. We tell you which camp your slab falls into when you choose it, and if it needs sealing, it is sealed before it leaves the shop. Our separate sealing service covers testing and resealing years later.
Wiping up after each meal does most of the work. Oil left overnight on a light granite is the stain that people notice, and it is the one a good sealer is there to slow down.
The gap between template and install on a granite job in Rancho Cucamonga depends on how many pieces are cut and how busy the supplier is, and the date goes on your quote once the slab is chosen. The steps are the same on every job:
Plumbing reconnection usually waits about a day so the sink adhesive can cure. Remodelers and cabinet shops can schedule template and install around their own trades, and we send the layout for your client's approval directly.
The process
Four steps, and nothing is cut until you have approved the slab and the seam layout.
Homeowners book a free template visit. Contractors and builders send plans and a finish schedule for a bid.
You pick the material and the slab, and we mark where every seam will fall before it is approved.
We template on your installed cabinets, then cut, edge and polish the tops in the shop.
The same crew sets the tops, fits the sink, joins the seams and leaves the room clean.
Questions
Most common granites are estimated at roughly $40 to $100 per square foot installed in Rancho Cucamonga, with the slab, the seams and the edge profile moving the number. Once the slab and seams are settled at template, the written quote fixes what you pay.
Yes, and we recommend it. Granite varies from slab to slab, so you choose the actual slab at the supplier, it is tagged for your job, and that is the slab we cut.
Yes. We lay the template pieces over a photo of your chosen slab, line up the pattern at each joint, and show you the plan for approval before fabrication starts.
We give you the install day in writing once the slab is chosen. A kitchen needing several slabs or an unusual edge can take longer.
Usually, yes, as long as the boxes are level, solid and square enough to carry stone. We check them at the template visit and tell you if any need shimming or reinforcing first.
It depends on the stone. Many dense granites need no sealing at all, while lighter, more porous slabs benefit from an impregnating sealer, which we apply in the shop before install if your slab needs it.
Yes. We cut and polish the sink opening in the shop and mount the undermount sink on install day. Bring the sink and faucet, or their spec sheets, to the template visit so the cutouts match.
Yes. Contractors can send cabinet drawings, bring their client to choose the slab, and schedule template and install around their other trades.
Yes, every installation comes with a written warranty, and the terms are set out in your quote.
Homeowners get a free template visit. Contractors and builders can send plans for a bid.
Licensed, bonded & insured · License #585047. Calls only, we do not receive text messages.
