There are 9 countertop fabricators listed in Ontario, California, as of October 2026. 8 list a phone number and 4 have their own website. That includes 5 shops with granite in their name (Granite & Cabinet Depot, Lozano Marble Granite & Tile and 3 more) and 3 shops with marble in their name (Lozano Marble Granite & Tile, Continental Marble & Granite and 1 more). Most are in ZIP codes 91761 (4), 91764 (3) and 91762 (2).
By type: Granite Countertops (5) · Marble Countertops (4)
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Fabricator
4155 Inland Empire Blvd · Ontario, CA 91764
Granite & Cabinet Depot is a kitchen remodeling showroom in Ontario, California, offering granite, quartz, quartzite, marble and porcelain countertops alongside wood and flat-panel cabinets. The 9,000-square-foot…
Fabricator
4251 E Brickell St · Ontario, CA 91761
Stone Depot is a wholesale-style showroom in Ontario, California, open to the public, offering quartz and granite countertops along with cabinets, sinks, faucets, tiles and mosaics. The business runs a roughly…
Countertop Locator lists 9 countertop fabricators in Ontario, California (updated October 2026). 4 have a website and 8 list a phone number.
Yes. 5 shops with granite in their name in Ontario: Granite & Cabinet Depot, Lozano Marble Granite & Tile, Continental Marble & Granite, Granite & Cabinet Depot and 1 more.
Yes. 3 shops with marble in their name in Ontario: Lozano Marble Granite & Tile, Continental Marble & Granite and Rmg Marble & Granite.
All 9 listings in Ontario appear to be independent local businesses; no national chain locations are listed.
Nearby options include Rancho Cucamonga (5 listed, 3 mi), Mira Loma (1 listed, 4 mi), Upland (8 listed, 4 mi) and Montclair (6 listed, 6 mi).
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