City Stone LLC - HoustonFriendly, helpful staff supplying over 400 colors of quartz, granite & marble kitchen countertops & slabs in Houston!city stone llc,Contact Us - City Stone LLC"Great selection! Great Service! Beautiful Granite!" - Clyde Patterson, Maintenance Manager - BASF. Email *. Check here to receive email updates. Name: *. Message *. questions about granite, marble, quartz or any other material? please contact us! Subject *. 8002 Pinemont Drive, Houston, TX, 77040. PH : 713-460-.