Sidney MT Yard

Welcome to the Sidney Builders FirstSource! Our Sidney store is your local source for building materials in northeastern Montana. Here, you will find building supplies, cabinetry design, doors, windows and more, as well as prefab building components and lumber. Our team provides estimating and material delivery services to help you make sure your job gets done whether you are a professional builder, contractor, remodeler, or a DIY homeowner. We also offer a contractor sales rep to meet with you at your jobsite to make sure you get exactly what you need. Come visit us today!