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Granite Countertop Installation in Riverside, CA

Riverside Custom Countertops is Riverside County's trusted expert in granite slab countertops, specializing in Colonial White granite kitchens, Fantasy Brown granite runs, and leathered Absolute Black granite outdoor tops. We offer flamed Black Pearl granite BBQ counters and the kitchen island top in polished granite.

Get a free countertop estimate

Granite Slabs Laid Out and Set by Riverside Custom Countertops

Our team provides slab layout on a digital template, delivering heat-proof kitchens for homes and long-wearing stone for both residential and commercial projects. Backed by 12 years in business and our 1-year workmanship warranty, we've completed over 1,870 projects, from a granite bar top to two-slab ranch kitchens with a matching island.

From seam placement over cabinet partitions to sealing every surface before the crew leaves, our team handles every detail. Serving Riverside and neighboring Norco, Corona and Woodcrest, we lay out each granite kitchen so the movement in the stone flows from one run to the next.

Call today for a free estimate, then walk the slab yard with us before we lay out a single cut.

What you can hold us to

The Shop Behind Every Top

12 yearsCutting and installing stone from our Riverside shop
1,870Kitchens, islands, bars and commercial tops completed
1-year1-year workmanship warranty on seams, fit and sink mounting
35 milesFrom Riverside to Yorba Linda, Villa Park and Chino Hills

A Granite Ranch Kitchen in Norco

Long ranch kitchen with white granite counters flecked in burgundy, knotty wood cabinets, a farmhouse sink and a window over pasture

Tom, Horsetown USA ranch home, Norco

Granite Countertop Installation

Material
Colonial White granite
Size
45 sq ft ranch kitchen
Est. investment
$3,600 to $4,600
Est. duration
1 to 2 days

Long ranch kitchen with two corners and a 1980s laminate top

Investment and duration figures are estimates. Your written quote sets the final price and schedule.

Tom's Horsetown USA ranch home in Norco had a long ranch kitchen with two corners and a 1980s laminate top that had started to lift at the sink. Two corners meant two seams, so we placed both seams over cabinet partitions, away from the sink and the cooktop, and cut the 45 sq ft ranch kitchen from Colonial White granite. The project was an estimated $3,600 to $4,600 for the Horsetown USA ranch home and took an estimated 1 to 2 days on site. The result Tom sees in his 45 sq ft ranch kitchen: seams that sit where nobody leans, and sealed granite throughout.

Granite Slab Layout: How We Plan Every Cut

Slab layout decides how a granite kitchen looks more than the stone itself, because a granite slab typically measures 110 to 130 in. long by 55 to 65 in. wide and every piece of the kitchen has to come out of it. During the typical 1 to 3 weeks between template and install day, we photograph the actual slabs, lay the laser template over them on screen and move each piece until the movement in the stone runs the way you want it.

  • Vein direction: on a moving stone like Fantasy Brown granite, every run is cut so the veins flow the same way, as we did for Erin's Eagle Glen kitchen in Corona.
  • Waste: layouts typically waste 15% to 25% of a slab, and a sloppy layout can mean buying one more slab.
  • Island and perimeter: we keep the island and the perimeter from the same slab lot, so the colour matches, as on Victor's Alaska White granite island near Chino Hills State Park.
  • Approval: you see the layout before the saw runs, with every seam marked.

An extra slab is the costliest layout mistake, typically adding an estimated $1,000 to $2,500 when a layout runs short, which is why the layout happens before the order.

White quartz island top with soft grey veining in front of a sage-green cabinet base, with a window and gold faucet over the sink on the far wall

Granite Seams: Where They Go and How They Look

Granite seams are hairline joints under 1/16 in., filled with color-matched epoxy, and they belong over a cabinet partition, never through a sink or cooktop cutout. No stone seam is invisible, but a good one is flat to the touch and follows the pattern. Long ranch kitchens in Norco and tract kitchens in Eastvale often run past the length of one slab, so the question is never whether there is a seam but where it lands.

We set seams with a vacuum seam setter so both edges sit level, then knife the epoxy flush. A seam across a sink cutout is the one we refuse to cut, because the narrow stone at the sink front is where granite cracks.

What Every Granite Install Includes

Slab thickness
3cm slabs set straight onto the cabinets as our standard; 2cm stone gets a plywood sub-top
Templating
Digital laser template at the site visit, before any slab is cut
Seams
Hairline seams under 1/16 in., color-matched epoxy, kept away from the sink cutout
Edge profiles
Eased edge included; half-bullnose, ogee and mitered drop edges priced per linear foot
Sink mounting
Undermount sinks mechanically mounted with clips and epoxy, not silicone alone
Overhangs
Up to 10 to 12 in. unsupported on 3cm stone; concealed steel supports beyond that
Sealing
Granite and quartzite sealed at install; quartz never needs sealing
Lead time
Typically 1 to 3 weeks from laser template to install day
Crew
2 to 3 installers per kitchen, 3 to 4 for waterfall islands
Payment terms
Deposit no more than 10% or $1,000, whichever is less, then progress payments as the work is done
Quartz price
Engineered quartz typically runs $65 to $145 per sq ft installed, never needs sealing
Granite price
Granite typically runs $55 to $135 per sq ft installed, sealed every 1 to 2 years
Quartzite price
Natural quartzite typically runs $85 to $185 per sq ft installed
Marble price
Marble typically runs $80 to $195 per sq ft installed
Solid surface price
Solid surface typically runs $70 to $130 per sq ft installed
Porcelain slab price
Porcelain and sintered stone typically run $55 to $120 per sq ft installed

Granite Countertop Cost in Riverside

Granite countertop installation in Riverside is estimated at roughly $55 to $135 per sq ft installed, and the slab grade, the layout yield and the number of cutouts move the price most. Common colours such as Colonial White granite and Alaska White granite sit at the lower end, while exotic granites with heavy movement sit higher.

Kitchen countertop replacement (30 to 45 sq ft)

Est. investment
$2,100 to $4,800 per kitchen
Est. duration
1 to 2 days

Tear-out, laser template, new 3cm tops, undermount sink and eased edge

Kitchen island top

Est. investment
$1,600 to $3,400 per island top
Est. duration
3 to 6 hours

Standard 40 x 80 inch island, overhang support checked

Waterfall edge drop

Est. investment
$800 to $1,800 added per waterfall side
Est. duration
4 to 8 hours

Mitered vertical panel with the vein carried down the side

Full-height slab backsplash

Est. investment
$600 to $3,000 per backsplash
Est. duration
1 to 2 days

Slab from countertop to the upper cabinets or hood

Outdoor kitchen granite tops

Est. investment
$1,400 to $2,800 per outdoor kitchen
Est. duration
1 to 2 days

Granite rated for sun and heat on a block or steel BBQ island

Wet bar or home bar top

Est. investment
$750 to $2,400 per bar top
Est. duration
3 to 5 hours

12 to 20 sq ft bar top with a bar sink cutout

Old countertop tear-out and haul-away

Est. investment
$150 to $500 per project
Est. duration
2 to 5 hours

Added to a replacement job; old tops removed and recycled

Investment and duration figures are estimates. Your written quote sets the final price and schedule.

JobEst. investmentEst. duration on site
Kitchen countertop replacement (30 to 45 sq ft)Est. $2,100 to $4,800 per kitchenEst. 1 to 2 days
Kitchen island topEst. $1,600 to $3,400 per island topEst. 3 to 6 hours
Outdoor kitchen granite topsEst. $1,400 to $2,800 per outdoor kitchenEst. 1 to 2 days
Wet bar or home bar topEst. $750 to $2,400 per bar topEst. 3 to 5 hours
Old countertop tear-out and haul-awayEst. $150 to $500 per projectEst. 2 to 5 hours

Most granite kitchens we set in Norco and Corona fall inside the estimated $2,100 to $4,800 range for a full kitchen, and older out-of-level cabinets typically add shimming time on top. Professional resealing later is typically estimated at $65 to $200 for a typical kitchen if you would rather not do it yourself.

The granite prices on this page are estimates and remain subject to change. Your written quote after the laser template sets the final price and the install schedule, and it depends on the granite you pick, the layout yield and the cutouts your kitchen needs.

Granite vs Quartz vs Quartzite

Granite is the best value for heat and sun, engineered quartz is the lowest upkeep indoors, and quartzite is the hardest of the three. The table compares them by estimated installed price, heat tolerance and sealing.

MaterialEst. installed priceHeat and sunSealing
GraniteEst. $55 to $135 per sq ftHandles hot pans and full sunSealed every 1 to 2 years
Engineered quartzEst. $65 to $145 per sq ftResin can scorch and fade in sunNever needs sealing
Natural quartziteEst. $85 to $185 per sq ftHandles heat and sunSealed at install, then on a schedule

Granite in Riverside Heat and Sun

Granite is the stone we install for heat and sun in Riverside, because it handles cooking temperatures of roughly 400 to 1,200 degrees and does not yellow under UV the way quartz resin can. Santa Ana winds push dust and heat across every patio from Mount Rubidoux to the Wood Streets. Linda's outdoor kitchen on the horse-keeping lots off Norco Drive is polished Steel Grey granite for exactly that reason, and Gabe's L-shaped BBQ counter in Woodcrest is flamed Black Pearl granite for grip and heat.

Indoors, granite still deserves a trivet under a cast iron pan straight from a 500 degree oven, because a sudden hot spot can stress a seam or a narrow piece.

Speckled cream granite island top with a thick edge, three upholstered stools, glass pendant lights and a stainless range behind

Sealing Granite: The Process After Install

Granite is sealed on install day with a penetrating impregnator, and most kitchens typically need a fresh coat every 1 to 2 years. The water test tells you when: if water darkens the stone within a few minutes, wipe on sealer, let it soak and buff it off. Daily cleaning is warm water and a pH-neutral stone cleaner; vinegar and bleach wear the sealer down faster.

Other Countertop Materials We Install

Granite buyers often compare quartz countertops with no sealing, harder quartzite slabs and solid surface tops before choosing.

Calacatta-look quartz island with a waterfall end dropping to the oak floor, four stools, pendant lights and an open living room beyond

Why Granite Buyers Hire Our Crew

Our owner has walked the slab yard on more than 1,870 projects and checks the layout before anything is cut, and the same crew that templates your kitchen installs it. In 12 years of setting granite, our seams have stayed where the layout put them, and the 1-year workmanship warranty on seams, fit and sink mounting covers every top.

Granite Service Areas

We set granite across a 35-mile radius of the Riverside shop, with most granite ranch kitchens in Norco, Woodcrest horse properties and Corona neighborhoods, plus Eastvale, Temescal Valley, Chino Hills, Yorba Linda and Villa Park on our service area page.

White quartz counter with an undermount sink and a waterfall end, grey stools, stainless range and white subway tile in a bright kitchen

Related Granite Services

Granite is our first pick for an outdoor kitchen BBQ countertop, typically an estimated $1,400 to $2,800 per outdoor kitchen, and it pairs with a granite kitchen island or a full countertop replacement of an older tile kitchen.

Granite Countertop Questions From Riverside Homeowners

How much does granite cost installed in Riverside?

Granite is estimated at roughly $55 to $135 per sq ft installed, and your written quote sets the final price after the laser template.

Where will the seams go on my granite?

We place seams over cabinet partitions, away from the sink and cooktop, and show you each one on the layout before cutting.

Does granite need sealing?

Yes, we seal it on install day, and most kitchens typically need resealing every 1 to 2 years.

Is granite good for an outdoor kitchen?

Granite is the outdoor stone we recommend in Riverside sun, because quartz resin can fade and granite does not.

Can I pick my own granite slab?

Yes, you walk the slab yard with us and approve the actual slabs and the layout before the order.

How long does a granite install take?

Most granite kitchens take an estimated 1 to 2 days on site, typically 1 to 3 weeks after the laser template.

Do you install granite in Norco and Corona?

Yes, Norco, Corona and Woodcrest are where much of our granite goes, along with Riverside and Eastvale.

How big a deposit do you take?

Our deposit is no more than 10% or $1,000, whichever is less, then progress payments as the work is done.

Book Your Granite Countertop Estimate

Request a free estimate, and we will walk the slab yard with you, laser template your kitchen and write an itemized quote.

Stone, Edges and Finishes

Start to finish

From Laser Template to Finished Counters

  1. Site visit and laser template

    We check the cabinets for level and take a digital laser template before any slab is cut.

  2. Slab and seam layout

    You pick the slab and approve where every seam and vein will fall.

  3. Shop fabrication

    The stone is cut wet, edged and polished in our Riverside shop, cutouts included.

  4. Install day

    A crew of 2 to 3 installers sets the tops, mounts the sink and walks the job with you.

Free estimate

Ready to Talk About Granite Countertop Installation?

Call us or send the form, and we will book a site visit and a laser template.

Call (951) 441-2673

Calls only, we do not receive text messages.

Call (951) 441-2673