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: 07:00 am — 05:00 pm Tuesday: 07:00 am — 05:00 pm Wednesday: 07:00 am — 05:00 pm Thursday: 07:00 am — 05:00 pm Friday: 07:00 am — 05:00 pm Saturday: 07:00 am — 12:00 pm Company description Your comments (not for publishing) * — Required information Riverhead Building Supply ← View details 333 Hallock Avenue, Port Jefferson Station, NY 11776 +1 631-928-1515