Granite Castle is a family-owned, ROC-licensed countertop fabricator and installer in Phoenix, fabricating granite, quartz, marble and quartzite countertops in-house. Address: 2009 W Ironwood Dr, Phoenix, AZ 85021. Phone: (602) 463-7796. Website: https://granitecastleaz.com/. Hours: Monday-Friday 09:00 AM – 5:00 PM. ROC #: 362222.