Showroom: 731 N Columbia Center Blvd #116, Kennewick Mon–Fri 10–5 · Sat 10–2 (509) 735-7618

Granite & quartz countertops, cut and installed in Kennewick.

Fabricated in our own shop. Tile, custom showers, and flooring by the same crew.

Family owned. Ask for Carlos Mares, the owner, at the showroom.

Kitchen with a white farmhouse sink, navy lower cabinets, white quartz counters and stainless appliances
A Superior Granite kitchen: quartz counters, herringbone backsplash, farmhouse sink
Showroom731 N Columbia Center Blvd #116, Kennewick
HoursMon–Fri 10–5 · Sat 10–2
ServingKennewick, Richland, Pasco & West Richland

What we do

Countertops are where we started. Today one crew handles the whole room, so you are not coordinating separate trades.

All services
  • Countertops

    Granite and quartz for kitchens, baths, fireplaces and barbecue areas, cut in our own shop.

  • Kitchens

    Counters, backsplash, flooring and cabinets, handled by one crew.

  • Baths

    Vanity tops, tile, tubs and showers, from tear-out to finish.

  • Custom showers

    Mud-set pans for any layout, curbless entries, benches and niches.

  • Tile

    Porcelain, ceramic, glass, natural stone and marble, on floors and walls.

  • Flooring

    Luxury vinyl plank and laminate, including stairs.

  • Carpet

    Carpet for remodels and new construction.

Two people standing in the showroom in front of sample racks
In the showroom
Shower pan with drain installed and walls covered in waterproof backer board
Pan and backer board ready for waterproofing

Why homeowners and builders call us

We fabricate in our own shop
Your slab is cut, edged and polished by us, not sent to a third party. Seams are planned so they land where they disappear.
One crew for the whole room
Countertops, backsplash tile, shower, flooring and carpet from the same team, on one schedule.
Custom shower pans
Mud-set pans built for your exact layout, including curbless entries, linear drains, benches and niches.
A real showroom and an owner you can meet
See and touch the samples in Kennewick and talk through your project with Carlos.

Recent work in the Tri-Cities

Photos from our own jobs, not catalog pictures.

See our work
White quartz countertop with a herringbone tile backsplash, brass faucet and farmhouse sink under a kitchen window
Quartz counters, herringbone backsplash, farmhouse sink
Corner of a white quartz countertop meeting a herringbone tile backsplash with brass accents
Backsplash tile meeting the quartz top
Grey porcelain tile fireplace wall with a black fireplace insert, seen from the side
Fireplace wall, large-format porcelain
L-shaped white quartz countertop with grey veining on oak cabinets, subway tile backsplash
L-shaped quartz top on existing oak cabinets
Kitchen with oak cabinets and a light quartz countertop with a peninsula
Quartz tops and peninsula on oak cabinets
Carlos Mares, owner of Superior Granite

Meet the owner

Superior Granite is a local, family-owned company run by Carlos Mares. When you visit the showroom or call about an estimate, you are talking with the people who will cut your stone and do the work in your home.

Our showroom is inside the Colortile of Kennewick showroom, a sister business, so you can look at slabs, tile, flooring and carpet samples in one stop.

See it before you choose

Try colors and materials online, then bring your favorites to the showroom.

Slab lines we carry

Choose from 5 granite and quartz lines, then we fabricate the top in our shop.

  • MSI
  • Pental Quartz
  • Sequel Quartz
  • Teltos
  • MGX
Granite or quartz? Read our plain-English comparison

Common questions

Where is your showroom?

Our showroom is at 731 N Columbia Center Blvd #116, Kennewick, WA 99336, inside the Colortile of Kennewick showroom. Colortile is a separate business that shares the space.

What areas do you serve?

Kennewick, Richland, Pasco, West Richland and the surrounding Tri-Cities area.

How do I get an estimate?

Call (509) 735-7618, send a request through our contact page, or stop by the showroom. Tell us about the room and what you want to change, and we will set up a time to look at it.

Do you make the countertops yourselves?

Yes. We cut, edge and polish granite and quartz slabs in our own shop, then our crew installs them. The work is not sent out to a third party.

Can I see what a countertop or tile will look like before I choose?

Yes. Use our kitchen and bathroom visualizers, or upload a photo of your room to preview flooring and tile. Then come see the real samples in the showroom.

All frequently asked questions

Carlos Mares, owner of Superior Granite

Talk with us about your project

Call, request an estimate, or stop by the showroom and look at samples with Carlos.

CallRequest an Estimate