
Ray, Sierra Bella, Corona
Outdoor Kitchen and BBQ Countertops
- Material
- leathered Absolute Black granite
- Size
- 11 ft BBQ island
- Est. investment
- $2,000 to $2,700
- Est. duration
- 1 to 2 days
Backyard BBQ island where an old tile top had cracked in the sun
Riverside Custom Countertops works as Riverside County's top-rated team in outdoor kitchen countertops, specializing in granite BBQ island tops, leathered granite bar counters, and porcelain grill surrounds. We offer sealed concrete patio bars and quartzite outdoor islands.
Our team provides on-site templating around grills and side burners, delivering sun-ready backyard kitchens for homes and weather-tough stone for both residential and commercial projects. With 12 years in business behind us and a 1-year workmanship warranty on every seam, fit and sink mount, we've completed over 1,870 projects, from a 16 sq ft patio bar to an 11 ft BBQ island.
From grill and side burner cutouts to the drip edge under a bar overhang, our team handles every detail. Serving Riverside and neighboring Corona, Norco and Woodcrest, we build patio counters meant to last through long summers of full sun.
Schedule a free estimate, and we will template your BBQ island and show you slabs that hold up in Riverside sun.
What you can hold us to

Ray, Sierra Bella, Corona
Backyard BBQ island where an old tile top had cracked in the sun
Investment and duration figures are estimates. Your written quote sets the final price and schedule.
Ray in Sierra Bella in Corona had an 11 ft BBQ island whose old tile top had cracked in the sun, with grout lines that held grease around the grill. We recommended leathered Absolute Black granite, which stays cooler to the touch than a polished dark stone and hides water spots from the hose and the drink tub. The new top went on as one piece over the grill cutout, an estimated $2,000 to $2,700 job completed in an estimated 1 to 2 days on site. Ray now has an island with no grout left to crack and no seam beside the burners.
Granite is the best outdoor kitchen countertop for most Riverside backyards, because it handles grill heat and direct sun, and it is estimated at roughly $55 to $135 per sq ft installed. Quartzite and porcelain are the other two stones we recommend outside, while engineered quartz stays indoors because its resin can fade and scorch.
| Material | Est. installed price | Sun and heat | Outdoor upkeep |
|---|---|---|---|
| Granite (leathered or flamed) | Est. $55 to $135 per sq ft | Takes grill heat, does not fade | Sealed at install, then every 1 to 2 years |
| Natural quartzite | Est. $85 to $185 per sq ft | Very hard, heat tolerant | Sealed at install, then on a schedule |
| Porcelain and sintered stone | Est. $55 to $120 per sq ft | Rated for UV and high heat | Never needs sealing |
| Engineered quartz | Est. $65 to $145 per sq ft | Resin can fade and scorch | Not recommended in full sun |
Most of our patio work is cut from the same slabs as our granite countertop installation jobs, with quartzite and exotic stone for buyers who want a lighter, marble-like look that still survives sun. For a poolside bar like Luis's 16 sq ft patio bar near Glen Ivy Hot Springs, we also pour and seal custom concrete countertops that match the deck.

The most common outdoor countertop mistake in Riverside is putting engineered quartz in full sun, because its resin discolors or scorches at about 300°F and fades under UV. Riverside August highs run near 95°F and pass 100°F on roughly 22 days a year, so a dark polished top on a south-facing island can get too hot to rest a hand on, which is why we steer buyers toward leathered or flamed finishes.
Cutting stone on site is not a DIY step either: a 3cm outdoor section is heavy enough that a slipped carry ends the slab, and dry cutting stone throws silica dust that California now treats as a serious hazard.
Tear-out, laser template, new 3cm tops, undermount sink and eased edge
Standard 40 x 80 inch island, overhang support checked
Mitered vertical panel with the vein carried down the side
Slab from countertop to the upper cabinets or hood
Granite rated for sun and heat on a block or steel BBQ island
12 to 20 sq ft bar top with a bar sink cutout
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.
Outdoor kitchen countertops in Riverside are estimated at roughly $1,400 to $2,800 for an average outdoor kitchen in granite, and the stone, the number of appliance cutouts and the length of the bar move the price most. Our three latest BBQ jobs show the spread: an L-shaped BBQ counter in flamed Black Pearl granite ran an estimated $1,900 to $2,600, Linda's outdoor kitchen with bar seating in polished Steel Grey granite an estimated $2,200 to $2,800, and Ray's island an estimated $2,000 to $2,700.
A quartzite outdoor kitchen typically lands above those numbers, since the stone itself is estimated at $85 to $185 per sq ft, while porcelain usually lands at or below granite. Gas lines, new GFCI outlets and plumbing for an outdoor sink are separate trades, and a gas or electrical change can trigger a permit that we flag during the estimate.
Outdoor kitchen figures on this page are estimates and are subject to change. Your written quote after the template sets the final price and the install schedule, based on the slab, the finish and every cutout your island needs.
Most outdoor installs follow four steps, from template to sealed top, and the on-site day typically runs an estimated 1 to 2 days.

Backyard cooks pick us because we steer them away from stone that fails outdoors, even when quartz would be the easier sale. Our owner checks every outdoor seam layout against the grill position, and the same crew that templates your island installs it. Every top carries our 1-year workmanship warranty on seams, fit and sink mounting, and our outdoor jobs from Sierra Bella to a Woodcrest ranch property show the same result: no cracked grout and no faded resin.
We build outdoor kitchens across a 35-mile radius of the Riverside shop, from Canyon Crest and Orangecrest patios to BBQ islands in Corona, Norco horse-property kitchens and ranch patios in Woodcrest. North up Interstate 215, the hottest patios we fit are the grill islands of San Bernardino, and Temescal Valley, Eastvale, Chino Hills, Yorba Linda and Villa Park are covered too, all listed on our countertop service area page.

Many outdoor kitchen buyers also refresh the kitchen inside, starting with custom kitchen island countertops, a waterfall edge island or a full countertop replacement and upgrade of a dated tile kitchen.
An average outdoor kitchen in granite is estimated at roughly $1,400 to $2,800 installed in Riverside, and your written quote sets the final price after the template.
Granite is the best all-round choice in full Riverside sun, with porcelain and quartzite close behind, because none of them fade under UV the way quartz resin does.
We do not recommend quartz outdoors, because its resin can fade in direct sun and scorch near the grill, which is why Linda's Norco outdoor kitchen went granite.
Yes, outdoor granite is sealed at install and then every 1 to 2 years, more often on a dusty Norco or Woodcrest lot.
Most outdoor kitchens take an estimated 1 to 2 days on site, typically 1 to 3 weeks after the template.
Yes, every appliance opening is measured from the real appliance at the template visit, as we did for the side burner on Gabe's flamed granite counter.
We take a deposit of no more than 10% or $1,000, whichever is less, the California limit, then progress payments as the work is done.
Call today, and we will measure your BBQ island, bring granite and porcelain samples to the patio, and send a free written, itemized quote.



Start to finish
We check the cabinets for level and take a digital laser template before any slab is cut.
You pick the slab and approve where every seam and vein will fall.
The stone is cut wet, edged and polished in our Riverside shop, cutouts included.
A crew of 2 to 3 installers sets the tops, mounts the sink and walks the job with you.
Where we work
Call us or send the form, and we will book a site visit and a laser template.
Calls only, we do not receive text messages.