Granite Mafia (GM) in Medford, Oregon has a large countertop selection. We walked the yard of granite slabs and purchased two of Celeste Azul.

Good price and excellent installation, but the problem was removing my old tile, nevertheless GM referred the demolition by Kevin King, Lost Ark Construction.

I had a positive experience, we made our selection, set dates, the demolition man, Kevin came first, measurements were taken after the demolition, then the installers, who really did an amazing job in short time getting my slabs laid, backsplash placed and my huge kitchen sink installed with the view window.

It is gorgeous! Everything went smoothly. I had my reservations at first because my kitchen is older, but they did a great job. I give them five stars.

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Submitted by Shari Bley on Wednesday, Oct 18, 2023

5 Star Testimonial by Shari Bley

Overall

My husband Casey and I worked with Becky to pick out granite for 2 bathrooms and a kitchen with lots of countertops in our new home. Even though we were really picky and took forever she was very patient with us. We did have an issue, I myself, was not kind at all in the first review I wrote, I did apologize, but I know it was an affront to Becky. Nevertheless, she treated us with respect and kindness. We reached a very good result and I feel like things are resolved very well. She definitely took the high road in a situation where she could have refused to even deal with us. That is an example of a real class act! If I could give more stars, I would! Love this place!

We would recommend this company to anyone! The granite looks absolutely gorgeous in our home !!

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Submitted by Greg Stewart on Wednesday, Aug 02, 2023

5 Star Testimonial by Greg Stewart

Overall

We got new countertops from them recently and they did an awesome job. They took out our old ones and installed our new ones while we were at work and other than the new counters you would never had known they were here. They left the workspace spotless and did a great job. We spent time doing price shopping and they were the best deal around as well. Highly recommend

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Submitted by Colleen Horn on Wednesday, Mar 29, 2023

5 Star Testimonial by Colleen Horn

Overall

Omg! I love working with Cornerstone Granite and Granite Mafia! I am working on the fourth project with them and it can’t be easier. I pick out the countertop material, drop off my sink and faucet selections and in no time my project is complete!

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Submitted by Brian Gabaldon on Friday, Mar 03, 2023

5 Star Testimonial by brian gabaldon

Overall

I have used Granite Mafia for all my kitchen and bathroom countertops. Everything from the measuring of my countertops all the way to the installation was great. I have used them 10+ times over the past 5 years for my home and my rentals and other investment properties. They are always on time and the workmanship is amazing. I will continue to use only them as the quality of each job really is the best.

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Submitted by Nick Stewart on Friday, Mar 03, 2023

5 Star Testimonial by Nick Stewart

Overall

Second time I have used them, they did an amazing job, i chose some very brittle hard to work with materials installed it and looked great.

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Submitted by Cole Foy on Friday, May 13, 2022

5 Star Testimonial by Cole Foy

Overall

Cornerstone Granite was great to work with from start to finish. We paid a visit to their facility and picked out our slab. It was about a 2 or 3 month wait for the slab to come in and to finish fabrication. Overall their were no delays in the experience and the installers didn’t even laugh at me when I missed a shot at a digger squirrel with my pellet rifle!

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Submitted by Joanna McDonald on Friday, Dec 27, 2019

5 Star Testimonial by Joanna McDonald

Overall

Becky was super helpful and great to work with. She managed to squeeze me into their busy schedule and the guys got everything done on time. Will definitely use Granite Mafia in the future. Service was great and they were the only place I went to that actually had per-square-foot prices on everything. Becky gave me a fabrication cost, so then I could actually look around and know how much I was going to spend. So much easier than all the other shops in town. My kitchen is Pental Avenza polished and guest bath (gray) was a flint remnant from the well-stocked and clearly priced remnant yard. Great experience all around :)

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Submitted by Sheana Wilkinson on Thursday, Feb 28, 2019

5 Star Testimonial by Sheana Wilkinson

Overall

Becky and Randy - thank you is not enough to explain our gratitude of the generosity you both have shown our family. The apartment is officially done and the quartzite looks absolutely beautiful and ties everything together. We are grateful beyond words and will always recommend Cornerstone Granite and Granite Mafia, we will remember your contribution forever.

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