About Us
Welcome to the Kalispell Builders FirstSource! Our Kalispell store is your local source for building materials in northwestern Montana. Here, you will find building supplies, doors, windows, siding 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!