Building Material Supplies

Paradigm Lumber isn't just another building supply company—we're a team of builders who understand your needs because we've been in your shoes. Since our founding in 2020, we've combined decades of construction industry expertise to create a lumber and building supplies resource that truly serves contractors and homeowners throughout Sioux Falls and the Black Hills region. As a locally owned business, we take pride in offering comprehensive solutions for projects of all sizes, from small home improvements to large commercial developments. Our extensive inventory features hundreds of products in stock, with thousands of special order options available through all major brands. We've built our reputation on understanding the unique challenges of construction in South Dakota, providing materials that withstand our climate while meeting your expectations.

What sets us apart is our builder-centric approach to customer service. Having worked on job sites ourselves, we understand the importance of timely deliveries, accurate orders, and quality materials that perform as expected. That's why we offer flexible options including in-store shopping, curbside pickup, and quick delivery services to keep your projects moving forward without delays. Our team provides free quotes regardless of project scope, helping you plan effectively and stay within budget. Whether you need standard lumber for framing or specialty items for custom finishing work, we have the connections and knowledge to source exactly what your project requires. From the initial planning stages through final completion, consider us your building partner committed to supporting your success with quality materials, competitive pricing, and professional guidance based on real-world construction experience. Visit us today!

Free Quotes for Projects of All Sizes

Quick
Delivery Options

Special Order Materials Available

Decades of Experience in the Construction Industry

In-Store and Curbside Pickup Options

We Carry All

Major Brands

Our comprehensive tool selection equips professionals and DIY enthusiasts with everything needed to tackle construction projects efficiently. We stock professional-grade power tools, hand tools, and specialized equipment. With tools designed for accuracy, durability, and safety, our selection complements the high-quality material that we provide, ensuring every project runs smoothly from start to finish.

Transform your spaces with our extensive cabinet and hardware collection featuring styles ranging from contemporary to traditional designs. We offer complete cabinet systems, individual components, and more. Using these high-quality products allows homeowners and contractors to achieve superior results with every renovation or construction project.

Caulks and Adhesives

Ensure lasting connections and weathertight seals with our selection of professional-grade caulks and adhesives. We carry specialized products for every application. When paired with the right building materials, these products contribute to structurally sound, long-lasting construction outcomes.

Decking and Railing Products

Create stunning outdoor living spaces with our diverse decking and railing options that combine beauty with longevity. Our selection includes traditional pressure-treated lumber, composite decking, and more. By integrating our decking materials with building material supplies, homeowners can enjoy outdoor projects that are both durable and visually appealing.

Exterior and Interior Door Products

Make a statement with our extensive door collection that enhances security, energy efficiency, and curb appeal. We offer interior and exterior doors in numerous styles, materials, and configurations. Pairing these door options with high-quality building material supplies ensures long-lasting performance and a professional finish for any home or commercial property.

Exterior, Siding, and Stone

Protect and beautify your home's exterior with our diverse siding and stone veneer options designed for South Dakota's climate. Our inventory includes vinyl, fiber cement, engineered wood, and more. Using these materials guarantees resilience against weather while providing a polished and aesthetically pleasing finish.

Construction and Wood Working Fasteners

Secure your projects with our comprehensive fastener selection, organized to help you quickly find exactly what you need. We stock everything from common nails and screws to specialized structural connectors and anchoring systems. Combining these fasteners with our high-quality building material results in secure, stable, and professional-grade constructions every time.

Garage Door Products

Enhance functionality and curb appeal with our selection of garage door systems and accessories designed for reliability. We offer insulated and non-insulated doors in various styles, materials, and price points. These products complement our building material supplies, creating cohesive, durable, and visually striking exteriors for homes and commercial buildings alike.

Hardware and Home Center Supplies

Find all the essential hardware and home center items needed to complete projects throughout your property. Our well-organized department features everything from basic household hardware to specialized items. Working seamlessly with our premium building material supplies to ensure every project is properly equipped for success.

Insulation and Weatherproofing

Maximize energy efficiency and comfort with our comprehensive insulation and weatherproofing products suited to South Dakota's temperature extremes. Using these alongside our reliable building material supplies in Rapid City, SD ensures homes and buildings are protected from weather and energy loss while maintaining comfort and longevity.

Construction Lumber Products

Build with confidence using our premium lumber products, carefully selected and stored to maintain quality. Our inventory includes dimensional lumber, pressure-treated materials, engineered wood products, and specialty items. Pairing these products with trusted building material supplies in Rapid City, SD gives contractors and homeowners the reliability they need for every project stage.

Millwork and Mouldings

Add architectural interest and finished details with our extensive millwork and moulding selection that elevates any space. From crown mouldings and baseboards to window casings and decorative elements. Using these products in conjunction with build material supplies in Rapid City, SD ensures a polished and professional result that stands the test of time. Using these products in conjunction with build material supplies in Rapid City, SD ensures a polished and professional result that stands the test of time.

Outdoor Living Products

Transform your yard into an extended living space with our outdoor living products designed for relaxation and entertainment. Our collection includes pergolas, outdoor kitchens, fire features, landscape lighting, and more. Integrating these features with quality building material supplies in Rapid City, SD results in outdoor areas that are both beautiful and built to last.

Paint and Stain Products

Protect and beautify your projects with our premium paint and stain products formulated for superior coverage and durability. We carry interior and exterior paints, primers, stains, and clear finishes. When combined with reliable building material supplies in Rapid City, SD, these products ensure a flawless, long-lasting finish for any construction or renovation project.

Prefabricated Building Components

Save time and ensure structural integrity with our engineered, prefabricated building components manufactured for precision. Our inventory includes roof and floor trusses, wall panels, engineered I-joists, LVL beams, and more. These components, when paired with high-quality building material supplies in Rapid City, SD, allow for faster, more efficient builds without compromising on structural performance.

Roofing Construction Products

Protect your investment with our complete roofing systems designed to withstand South Dakota's weather challenges. We stock asphalt shingles, metal roofing, synthetic options, and all necessary accessories. Using these roofing materials alongside trusted building material supplies in Rapid City, SD provides long-lasting protection and peace of mind for homeowners and builders.

Wood and Vinyl Window Products

Enhance views, energy efficiency, and home value with our selection of quality windows from leading manufacturers. We offer wood, vinyl, composite, and aluminum-clad windows in countless sizes, styles, and configurations. Pairing these with our dependable building material supplies in Rapid City, SD ensures a complete, professional-grade installation that enhances both aesthetics and functionality.