Keystone Granite

Fabricator offering countertop fabrication and installation in San Antonio, Texas

About Keystone Granite

Keystone Granite is a family-owned countertop importer, distributor, fabricator and installer in San Antonio, operating an in-house facility with CNC and waterjet equipment. It keeps an indoor showroom with a large slab inventory and offers virtual layout design, serving residential, builder and commercial clients.

Services mentioned

Quartz CountertopsGranite CountertopsMarble CountertopsCNC / waterjetCommercial workWet cutting / dust control

Details last checked November 2026. Confirm details directly with the business.

Address
18975 Marbach Ln #291, San Antonio, TX 78266
Phone
(210) 651-1786
Website
keystonegranite.com
CallVisit websiteGet directions

Before you book

  • Ask whether they fabricate in-house or send the work out, and whether you can pick your exact slab.
  • Get the installed price per square foot in writing, including edges, cutouts, sink mounting, removal of the old tops and sealing.
  • Ask about lead time from template to install, and what the warranty covers.

Location

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See all countertop fabricators in San Antonio →

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