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Montana’s Contractor of Choice Since 1985

At Diamond Construction, we have a history of handling construction projects with integrity and professionalism. Since 1985, we have been building Montana and that legacy continues today. We are equipped to take on projects of all types - from water systems and commercial projects, to home builds and structural construction, we have the talent, qualifications, and drive to complete your project on budget and on time.


Your Construction Project is Our Priority

The team at Diamond Construction has the skill, foresight, and creativity to navigate through any challenge thrown our way. Our dedicated team works tirelessly to ensure your project is completed on time and within budget. We never want to surprise our clients with a delay or additional charge, so we communicate with you often. At Diamond Construction, your project is a priority.


We Build Our Communities

At Diamond Construction, we live, work, and play in Montana. We know that Montana is growing rapidly, and we want to ensure our part in that growth is of the highest quality. Our employees are the bones of our business and are treated with respect. Diamond employees come to work motivated, knowing that their coworkers depend on them. We keep each other accountable, ensuring that the final product exceeds our clients’ expectations. Join us to build our Montana communities!








The Diamond Construction Mission

Exceptional Construction Produced by Skilled Professionals

Our mission is to build upon our reputation of providing exceptional construction services to our clients, utilizing the expertise and experience of our extraordinary staff. We are committed to ensuring the highest level of professionalism, communication, and craftsmanship, while providing a safe and enjoyable place to work.

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The Diamond Construction Team

Our Most Valuable Asset, Our People

At Diamond Construction, we’re known for delivering a high quality product and this is a result of our high quality workforce! We are a Veteran-owned, Montana-based business that treats our employees with respect. The team at Diamond Construction isn’t afraid of a challenge, in fact, we welcome complex projects. We’ll work with you to help your dream become a reality and will offer advice, expert opinions, and creative solutions to make it happen.

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Job Site Safety

Employee Safety is Our Company Culture

What makes Diamond Construction a great place to work? We ensure employee safety by managing our risks through education, thorough communication, and compliance with safety best practices. Diamond Construction employees are not just numbers, but valued members of our team. Our goal is to ensure employees feel safe on the job in order to complete projects safely and on time.

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Our Clients

Your Satisfaction is Paramount

Meagan MillerInterior Designer at CWG Architecture + Interiors

Working with Diamond Construction is always gratifying. They make my job as an Interior Designer much easier by effectively communicating throughout the project. The entire team at Diamond truly cares about doing an excellent job versus simply getting the job done.

Anthony PerpignanoAIA, President CWG Architecture + Interiors

Diamond Construction is a force worth seeking out for a successful project. I thoroughly enjoy working with Diamond’s team from their meticulous care of details to their easy-going good nature.

The Western Bar and Gold BarHelena, MT

We were satisfied with the professionalism and craftsmanship of the entire Diamond team and would highly recommend them for remodel or new build projects in Downtown Helena and beyond.

Michael E. RuppertBoyd Andrew Services

I would rate Diamond as the best contractor I have ever dealt with for all areas of construction.

Marie WilsonIn2itive Architecture

Construction projects can have stressful moments and setting a framework from which we can all problem solve and work together throughout this complicated project has been very rewarding. Thank you Diamond!!!

Tenant Improvement DowntownHelena, MT

The remodel is looking so great, what a transformation you and the crew have done! We are all very excited about the space and are proud to rent it to our next tenant.

Carolyn JetteJudith Basin County Free Library

We were well informed of the work to be done by the subcontractors. Every problem was addressed immediately and solved in a timely manner.

Rick DuncanSuperintendent, Powell County High School District

We are exceptionally satisfied with the results of our partnership with Diamond Construction.

Sarah & JoeHomeowners

Diamond made our remodel process relatively painless. The team is very professional and has great communication in regards to schedule, costs, suggestions etc. The guys showed up on time ready to work, and the finished product looks great

Tom & GinnaHomeowners

Diamond Construction is a top-notch group of people who know their business well. We are extremely pleased with their work and appreciated their availability to answer any questions we had along the way.

Old Salt OutpostOwner

Despite our project being a very small one for them, I felt that Diamond took our Old Salt Outpost commercial renovation very personally, delivering a high level of quality, overall value and responsiveness. It was a great experience from start to finish.

St. Ignatius School District #28Jason Sargent, Superintendent

We enjoyed working with Nate Pierce and the rest of the Diamond Construction Crew. Diamond was prompt and proactive in response to district concerns and professional in handling solutions. We worked as partners for a positive outcome. We would recommend Diamond Construction to other entities searching for contractors to build, manage and support projects.

Apply Today!

We are looking for skilled and motivated craftspeople to join our growing team! From engineers to skilled craftspeople, Diamond Construction offers a family-oriented culture, a diverse scope of work, and competitive benefits.

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