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.

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

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.


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.






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.
Kitchen visualizer
Swap countertops, backsplash, cabinets and floors in a sample kitchen.
Bathroom visualizer
Try vanity tops, shower tile and flooring in a sample bathroom.
See it in your room
Upload a photo of your own space and preview flooring and tile in it.
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
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.

Talk with us about your project
Call, request an estimate, or stop by the showroom and look at samples with Carlos.