Retail store & yard

94 Industrial Road, Montauk, NY 11954

Monday – Friday: 7:00 am – 4:00 pm
Saturday: 7:00 am – 3:00 pm
Sunday: 7:00 am – 12:00 pm

Riverhead Building Supply on Industrial Road across from Fort Pond is the only lumber and building materials store in Montauk.

We are also able to refill your propane gas tanks for grilling and camping. That’s convenient! This is a full lumber yard with full delivery services and dedicated trucks to drop materials at your jobsite. Visit our hardware store for supplies like fasteners, blades, gardening supplies, and power tools. Homeowners welcome!


  • Delivery service
  • Blade sharpening service
  • Tool repair service
  • Lockset re-key
  • Decking & railing displays
  • Roofing displays & samples
  • Siding displays & samples
  • Paint & stain mixing, color matching paint only
  • Propane gas tank refills

Installation services

  • Andersen® service & repair
  • Marvin service & repair
  • Storm & screen door installation
  • Window & Door installation and replacements
  • Lift & slide ‘big door’ installation
  • Bilco® basement door installation
  • Screen enclosure installation
  • Gutter installation
  • Garage Doors parts and installation

Contact us and tell us about your project

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