Riverhead Building Supply locations in Westerly are conveniently located on Oak Street

Building Materials

Discover top-quality building materials and specialty products for everything you need for home building, repairs, and home improvement. From frame to finish, we offer a comprehensive selection of materials including lumber, roofing, siding, decking, fencing, and flooring. Make the smart choices for your building materials to ensure that every project is a smooth success.


Experience top brands in pavers, bluestone, and natural stone. Create an outdoor oasis using a blend of materials to satisfy any project need. Visit our Masonry showroom at 9 Oak Street, to see the quality masonry brands we carry in addition to outdoor kitchen solutions. Or get inspired in our virtual Masonry showroom.

Kitchen Showroom

Explore the possibilities for your dream kitchen at our newly renovated Design Showroom in Westerly, where you’ll discover the latest designs in kitchen cabinetry. Our showroom features a full range of fine cabinetry brands to suit every style and need including designs for kitchens, bathrooms, offices, bedrooms, and mudrooms. Whether you’re looking for sleek modern designs or timeless classics, our showroom provides a hands-on experience where you can explore different options and discuss your ideas with our in-house designers.

Window & Door Showroom

Discover the perfect windows and doors for your project at Riverhead Building Supply. Whether you need custom configurations for a unique aesthetic or standard units for quick installation, we have options like gliders, big-glass doors, double-hung windows, patio doors and French doors. Take a virtual tour of one of our showroom for inspiration and ideas. Envision how our products can enhance your space and when you’re ready, visit our showrooms at 2 Oak Street in Westerly to experience our doors and windows firsthand. Test functionality, select details, and consult with our experts to find the perfect fit for your project.

Our team of experts at Riverhead Building Supply in Westerly look forward to serving you

Retail store & yard

10 Oak Street, Westerly, RI 02891

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

Design showroom

2 Oak Street, Westerly, RI 02891


Monday – Friday: 7:30 am – 4:00 pm
Saturday: 8:00 am – 12:00 pm
Sunday: Closed

Masonry store

9 Oak Street, Westerly, RI 02891


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

Featured products


  • Delivery service
  • Blade sharpening service
  • Tool repair service
  • Lockset re-key
  • Decking & railing displays
  • Roofing displays & samples
  • Siding displays & samples
  • Masonry supplies and tools

Installation services

  • Andersen® service & repair
  • Marvin service & repair

Interested in a design consultation?

Tell us about your project and a designer will reach out to you