Suggest an Edit Name* Categories* Clothing store Convenience store Department store Electronics store Furniture store Hardware store Home goods store Jewelry store Liquor store Pet store Shopping mall Supermarket Add category State* Locality* ZIP* Street address* Phone* Website Opening hours Monday: 08:00 am — 05:00 pm Tuesday: 08:00 am — 05:00 pm Wednesday: 08:00 am — 05:00 pm Thursday: 08:00 am — 05:00 pm Friday: 08:00 am — 05:00 pm Saturday: 08:00 am — 12:00 pm Company description Your comments (not for publishing) * — Required information Riverhead Building Supply Design Showroom ← View details 25 Powell Avenue, Southampton, NY 11968 +1 631-283-2000