Quality Marble & Granite (QMG) is a factory-direct distributor of natural stone slabs and prefabricated countertops, serving residential and commercial projects in the Inland Empire and Los Angeles area for 20 years. The business offers a wide variety of expertly selected materials, including marble, granite, quartz, quartzite, and porcelain, providing quality surfaces without middleman markups. Customers appreciate the helpful and knowledgeable staff, particularly Monica and Ednita, who assist with selections and provide valuable information. Many reviews highlight the excellent customer service, patience, and efficiency experienced during the purchasing process. Clients recommend QMG for renovations, noting the impressive selection and pricing. The showroom and Slab Yard in Ontario are open to the public for those ready to start their kitchen or bathroom projects.
Great experience with Quality Marble & Granite. Steve was polite, friendly and answered all of our questions. Highly recommend.
June 2026
This place is amazing and much more service oriented than all the other locations! The selection was perfect and the price was right in line, if not better! Adon our salesperson was great… great communication and follow up. I would recommend this place for prefabricated counters and slabs.
May 2026
I've been stocking quality material and granite for years now and Steve our rep is always helpful and their quartz is beautiful.
