Annette I.
5/13/2025
My experience at Cosmos was heavenly indeed! I'd just been "dissed" by a bad sales rep at MSI Dulles after a long drive and selection process, only to find out that all but one slab of the...
Cosmos Granite
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(15)
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3900 Stonecroft Blvd Ste B
Chantilly, VA 20151
Cosmos Granite & Marble is a leading supplier of natural stone and quartz surfaces with multiple locations across the United States, offering a wide range of products including granite, marble, quartzite, limestone, and more.
With a strong presence in cities like Dallas, Charlotte, and Washington, DC, Cosmos Granite & Marble caters to a diverse clientele including homeowners, fabricators, designers, architects, builders, retailers, and wholesalers.
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Reviews
3.015 reviews
Diane H.
8/29/2024
Be very careful doing business with them. Mike was recommended to us by our contractor. We went out, asked questions, explained that our kitchen is small, gave him a copy of the architect's...
Aaron B.
8/14/2019
I'm in the lobby waiting now more than an hour to view a slab 4 behind the front piece for my home kitchen. Initially 5 minutes I was told. They seemed to ya e forgotten what they were doing. I'm...
Nomin D.
4/29/2016
At first I thought about giving 4 stars because customer service was pretty good and granite options were great. Then glad I waited for few days because the granite we chose and put on hold for...
Liz D.
9/15/2020
Recently I drove from Rockville to Sterling where Cosmos is located. I didn't realize that they closed at 3pm. I arrived at 2:30pm. The doors were locked and we kept knocking on the door and...
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