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Dartmouth Building Supply is the preeminent choice for all your Division 6 and 8 commercial and multifamily project needs. Developers, owners, and builders who specialize in large wood frame projects trust DBS. Our team understands the demands of high-volume construction and delivers the quality materials, product expertise, and dependable service you need to keep your jobsite moving. From the first order to the final delivery, we work alongside you to ensure timelines are met, challenges are solved quickly, and your projects finish strong.

Solutions For Every Project

Now Offering More Building Services

Single Source Supplier

Your convenient, reliable single-source for large general contractors tackling commercial and multifamily builds. DBS delivers complete Division 6 packages with everything you need in one place — from lump sum material packages to floor and roof truss components, wall panels or stick-framed walls, infill materials, and hardware. Division 8? Not a problem. We supply residential-grade materials for interior spaces including doors, trim, and hardware, plus durable commercial products designed for common areas and high-traffic spaces. By consolidating materials under one trusted partner, you save time, streamline communication, and keep your crews focused on the build instead of chasing suppliers.

Project Management

We believe in a systems-driven approach to project management that keeps even the largest, most complex projects on track. Every project is assigned a dedicated project manager who oversees every stage — from contract approval to final delivery and installation. Our experienced team works closely with your crews, maintaining open lines of communication and providing clear, timely updates. We anticipate challenges before they impact your schedule, helping you stay on budget, avoid costly delays, and keep work moving seamlessly from start to finish.

Value Engineering

We assist in project budgeting by providing detailed, accurate bids that help you plan with confidence. Our team works alongside you to value engineer each project, finding smart solutions to meet budget goals without sacrificing function, design, or style. Whether it’s identifying cost-effective material alternatives, optimizing installation methods, or rethinking design details, we aim to deliver the best possible outcome for your project. With DBS, you get the right balance of quality, efficiency, and cost control to help you build smarter.

Your Trusted Partner In Providing Materials, Expertise, & Support

DBS partners with contractors and commercial businesses to take on larger builds and multi-family projects, delivering quality materials, expert guidance, and dependable support every step of the way to ensure success from planning to completion.

Jorge Alejos

17:14 20 Mar 25

The seller, Levi, has a very blunt attitude with people of Hispanic origin. I have gone three times and he has acted like this three times. The last time I sent an email requesting prices and since they don't sell one thing on the list, they didn't give me the price for everything else. I sent him another email asking for the price for everything else. He ignored me and I had to go in person. When I arrived, I bought everything I wanted from another seller. When he arrived, I let him know about my new email and that I no longer needed the prices because I had already bought something. My delivery was scheduled for the next day, but it seems they didn't like me doing that. Without notifying me, they changed my delivery to another day. I wasted the whole day waiting and paid the assistant for nothing. I called that day and they insisted it would be in the afternoon, but they lied. Today I'm going to see if they do the same thing again. I think Hispanic dollars are not welcome there. I won't go back to that place.
(I spoke with the vice president. He offered to improve the vendors' behavior and apologized for this unfortunate incident, a possible accumulation of unrelated events that led me to misinterpret what was happening. He's a great person and a gentleman. Thank you for the call.)

Samuca TV

22:45 09 Dec 24

Suzanne Sharkey

22:34 26 Sep 24

Shawn Delgado is my hero time and time again. He is an excellent problem solver at heart. Whenever you're building anything, there's always going to be hiccups. He's calm cool collected every time and always seems to come up with an idea. He makes my life tremendously easier and I'm super grateful to and for him. Thank you Shawn for all of your efforts over the years!

Chip 1279

01:59 16 Nov 22

So….I had a 49 year old classic receiver, that went out elsewhere, the Case went to DBS. I’ve owned it for decades. I watched the pressboard walnut veneered cabinet dissolve over the years. I brought the frame to DBS to replicate and they used Solid American Walnut…….absolute perfection…….need I say more. Those guys are all craftsmen and it would behove you to talk to them if you’re in the market…..Stunning piece!

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