Mountain Building Center, LLC.

Mountain Building Center, LLC. Lumberyard / Hardware Store

🌟 Star Employee Spotlight: Meet Mark Diefenderfer (aka “Dief”)! 🌟If you’ve ever stopped by Mountain Building Center and ...
06/02/2026

🌟 Star Employee Spotlight: Meet Mark Diefenderfer (aka “Dief”)! 🌟

If you’ve ever stopped by Mountain Building Center and had a question, chances are Dief had the answer.

With 35 years and counting in construction, retail lumberyard, and hardware experience—including 3 years in framing—Dief brings a wealth of knowledge and real-world expertise to our team every single day. Whether you’re a seasoned contractor tackling a major project or a weekend DIYer taking on your first build, he’s the guy who can help point you in the right direction.

Beyond his experience, Dief is the steady hand that helps keep things running smoothly through all the daily chaos. His dedication, work ethic, and willingness to help customers and coworkers alike make him one of our greatest assets.

We’re proud to have Dief as part of the Mountain Building Center family. The next time you’re in the store, be sure to say hello and thank him for all he does!

👏 Thank you, Dief, for your years of hard work, expertise, and commitment to our customers and community! 👏

05/19/2026
Some deliveries are just better than others
05/19/2026

Some deliveries are just better than others

Summer hours are here at Mountain Building Center ☀️🛠️We’re now open 7:00 AM – 5:00 PM to give you more time to tackle t...
05/06/2026

Summer hours are here at Mountain Building Center ☀️🛠️

We’re now open 7:00 AM – 5:00 PM to give you more time to tackle those projects, big or small! Whether you’re getting an early start or stopping in after a long day, we’ve got you covered all summer long.

From lumber and decking to lawn & garden essentials, we’re stocked up and ready to help you get it done ✔️

📍 Stop by and see us in Twin Bridges!

It appears Spring has sprung! Get started early on your projects this year. We have everything you need from grass seed,...
03/24/2026

It appears Spring has sprung! Get started early on your projects this year. We have everything you need from grass seed, lawn watering, mulch, early planting and w**d control currently in stock.

🌱🌼 Spring is Calling… and Lawn & Garden Season is HERE! 🌼🌱The snow is melting, the days are getting longer, and that mea...
03/13/2026

🌱🌼 Spring is Calling… and Lawn & Garden Season is HERE! 🌼🌱

The snow is melting, the days are getting longer, and that means it’s time to start thinking about your lawn and garden projects!

At Mountain Building Center, we’ve got our lawn & garden items arriving and ready for the season — whether you’re planting flowers, starting a garden, freshening up your yard, or tackling those spring outdoor projects.

🌿 Seeds
🌸 Flowers & planting supplies
🪴 Gardening essentials
🌱 Soil, tools, and more

Stop by the lumberyard, check out what’s coming in, and get a head start on making your yard look its best this spring!

📍 Mountain Building Center – Twin Bridges

Spring projects start here! 🌞🌷

Get your To***co Root Archers Apparel here!
03/09/2026

Get your To***co Root Archers Apparel here!

Fresh shelves, fresh vibes 🔥🧱We just leveled up our tile & grout section!From ready-to-use grout for quick weekend wins ...
02/07/2026

Fresh shelves, fresh vibes 🔥🧱

We just leveled up our tile & grout section!

From ready-to-use grout for quick weekend wins to pro-grade bags for the big jobs, plus spacers, sealers, sponges, and all the little things that make a clean finish—this section is officially stocked and ready to work as hard as you do.

✨ Whether you’re refreshing a bathroom
✨ tackling a backsplash
✨ or laying tile like a seasoned pro

We’ve got you covered—no guesswork, no extra trips.

📍 Stop in, check out the upgrade, and let’s get that project DONE right.

💪

Built for Montana work ethic 💪From ranch fixes and shop projects to weekend builds and “while I’m at it” repairs, this t...
01/20/2026

Built for Montana work ethic 💪

From ranch fixes and shop projects to weekend builds and “while I’m at it” repairs, this tool wall is stocked for whatever Big Sky Country throws at you.
Quality brands, hardworking tools, and hometown service — just the way Montana likes it.

Swing by, grab what you need, and get after it 🔨

🤖 Proud to Support Our Local Future Innovators! We’re excited to support the Twin Bridges Robotics Team by donating a Ta...
01/15/2026

🤖 Proud to Support Our Local Future Innovators!

We’re excited to support the Twin Bridges Robotics Team by donating a Taiga Cooler to their silent auction! This fundraiser helps the team prepare to represent Montana on the national stage at the Governors’ Cup in Washington, D.C. 🇺🇸

These students are putting in the hard work, creativity, and dedication it takes to compete at the highest level—and we’re proud to play a small part in helping them get there. Best of luck to the team as they showcase Montana talent, grit, and innovation!

👏 If you see that Taiga Cooler in the silent auction, make sure to bid—and help support an incredible group of young minds!

Address

302 North Madison Street
Twin Bridges, MT
59754

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 9am - 12pm

Telephone

(406) 684-5562

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