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Trusted by Builders, Contractors, and Homeowners Since 1939

Family-owned and serving New England for over 85 years, Koopman provides pros and DIYers with the materials and services needed for every project.

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Become A 
Koopman Pro

Business built around servicing YOU, the Pro.

  • Family‑owned supplier of building materials, tools, and hardware built for the professional trades.
  • On-time delivery of lumber and building materials to job sites across New England.
  • Credit, estimating, and pro services to help you win bids and get the job done right.
Construction worker wearing safety gear and a helmet, balancing on a wooden structure at a building site.

Rooted 
In History

Built on experience. Rooted in New England.

  • Family‑owned since 1939, founded by a local builder in Whitinsville.
  • Grown over generations without losing the hands‑on mindset that built the business.
  • A trusted resource throughout New England, backed by a strong distribution network.
Man wearing a cap and jacket stands in front of a building with a sign, looking away from the camera.

Departments

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Construction site with wooden beams and metal materials stacked in a partially built structure.
Stack of wooden planks arranged in a construction site with blurred background.
Outdoor patio with a gas grill, table, and chairs surrounded by greenery.
Modern kitchen with wooden island, bar stools, blue cabinetry, stainless steel appliances, and under-cabinet lighting.
Rows of vibrant flowers and plants on display at a garden center, with colorful pots in the background.
Display of orange and black lawn mowers and garden tools in a showroom with STIHL branding on the wall.
Variety of yellow and black power tools, including a circular saw, displayed on a store shelf with a pegboard background.
Wooden deck with smooth planks, white chairs, and a modern glass building in the background.
Tools and hardware neatly organized on a display wall in a store, including wrenches, pliers, and screwdrivers.
Shelf stocked with assorted paint cans in various colors at a store.
Showroom displaying Andersen windows and doors with various styles on wooden flooring.
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Become a Koopman Pro

A business built around servicing YOU, the Pro. With 15 locations, including two distribution centers, we can deliver the materials you need when you need them. We also offer convenient walk-in access to hardware and building materials.

Credit

Trusted for over 85 years, we offer flexible credit, fast approvals, and support to keep your projects moving.

Engineering & EWP

Our Engineered Lumber and Estimating teams, trusted by pros and inspectors, deliver expert advice and accurate, reliable estimates you can build on.

Sales

You don’t just get a sales rep, you get a dedicated team focused on solving problems, saving time, and growing your business.

Delivery

Our GPS-tracked fleet delivers lumber and materials to your job site fast and on time so you can stay on schedule and keep work moving.

Kitchen 
& Bath

Designing a kitchen or bath doesn’t have to be stressful. Our experts guide contractors and homeowners from idea to installation.

Modern kitchen interior with island, bar stools, and stainless steel appliances.
Modern kitchen with stainless steel appliances, white cabinets, black countertops, and a wooden floor.
Modern kitchen with wooden island, bar stools, stainless steel appliances, and decorative lights.
Modern kitchen with stainless steel appliances, large island, green bar stools, and a contemporary chandelier.
Modern kitchen with large island, chandelier, bar stools, stainless steel appliances, and white cabinetry.
Modern kitchen with white cabinets, stainless steel appliances, teal lower cabinets, wooden floor, and colorful rug.
Collage of vintage photographs depicting various buildings and vehicles from the 1950s.
Collage of vintage photos showing cars, people, and buildings on a sepia-toned background reflecting historical themes.

Family Owned Since 1939. Trusted by Builders Across New England.

MA & CT state map Fairhaven, MA Fairhaven, MA Dennis, MA Dennis, MA Pembroke, MA Pembroke, MA Sharon, MA Sharon, MA Andover, MA Andover, MA Milford, MA Milford, MA Whitinsville, MA Whitinsville, MA North Grafton, MA North Grafton, MA Hudson, MA Hudson, MA Indian Orchard, MA Indian Orchard, MA Uxbridge, MA Uxbridge, MA East Hampton, CT East Hampton, CT Berlin, CT Berlin, CT Meriden, CT Meriden, CT Cheshire, CT Cheshire, CT

Proudly Serving Our Communities' Hardware Needs For Over 85 Years.

Since 1939, we’ve been a trusted part of the communities we serve. With 15 locations across New England, you’ll find quality materials, helpful pros, and service that’s ready when you are - whether you’re building, fixing, or planning ahead.

Equipment & Power 
Tool Rentals

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Yellow excavator digging soil at a construction site with bare trees in the background on a sunny day.
Skid steer loader with grapple attachment clearing debris on a sunny day, surrounded by trees in the background.
Landscaping Equipment
White outdoor tent set up on a grassy field under a clear blue sky.
Person using a circular saw to cut wood with sawdust flying around in an outdoor setting.
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Resource Hub

Articles & Advice

Expert tips, how-to guides, and insights to help you tackle your next project with confidence and precision.

Information Center

A comprehensive resource hub for contractors, builders, and homeowners: building codes, licenses, warranties, product guides, charts, credit info, applications, and more.

Video 
Library

Watch walkthroughs, product demos, pro tips, and DIY guides. Our videos give you the knowledge and confidence to take on your next project from start to finish.
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