What are the opening hours?

Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 5pm Saturday 9am - 1pm

Keystone Granite

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United States
San Antonio, TX
Keystone Granite

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We are a custom fabricator of granite, marble and quartz countertops. Keystone Granite offers a full line of granite to choose from.

We also offer several different quartz brands to choose from which include Caesarstone, Silestone, LG Viatera, Cambria, Hanstone, & Samsung Radianz. We also Carry a full line of stainless steel kitchen sinks, silgranite composite sinks, & virtuous china vanity sinks.

10/28/2026

Join us for our Fall Mixer at Builders FirstSource in Marble Falls, November 12th from 5:00-8:00 PM. Please use the link below to RSVP!

https://hillcountrybuildersassociation.growthzoneapp.com/ap/Events/Register/WqFjnQ3IaCJCE

10/28/2026

04/22/2026

RSVP Link is open & the event to be at is here. The W**e Walk has been redesigned to bring the Design Community MORE! 20+ Vendors , 4 Showrooms, Live MUSIC, Lite Bites and W**E of course! This year we have a W**E PULL Benefitting Renew Room Remodels a non-profit restoring hope in San Antonio’s abused children a room remodel at a time!

03/26/2026

12/18/2025

Fantasy brown countertop installation

Address

18975 Marbach Lane, Ste 291
San Antonio, TX
78266

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm
Saturday	9am - 1pm

Telephone

+12106511786

Website

http://www.keystonegranite.com/

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