McSwain Builders is the leading general contractor Carbondale and Roaring Fork Valley residents choose for custom homes, renovations, and design-build services. With over two decades of experience, our family-owned firm delivers high-quality craftsmanship, transparency, and eco-conscious building—whether crafting mountain modern homes, ADUs, or luxury remodels. Based locally with a deep understanding of regional styles and building codes, we provide personalized service and exceptional results on every project.