Steel Building Materials & Supplies in Marcus, Iowa

Welcome to Marcus Lumber, your locally owned and trusted source for steel building materials and construction supplies in Marcus, Iowa and the surrounding region. At Marcus Lumber, we've built our reputation around providing exceptional customer service, a knowledgeable team, and an unbeatable selection of products for both residential and commercial building projects. From premium-grade steel from leading manufacturers like Central States Manufacturing, Inc., to a wide range of hardware, lumber, and home improvement supplies, we have everything you need to complete your next build with confidence.

Step into an environment where service comes first. Our experienced staff is always ready to answer questions, provide recommendations, and help you find the right materials for your specific needs. We understand the unique challenges facing builders, contractors, and DIY homeowners in rural Iowa, and that's why we stock only reliable products designed to stand up to the Midwest's toughest conditions.

Whether you're constructing a new metal building, adding on to your property, or upgrading your current facility, Marcus Lumber is your all-in-one destination for durable steel, framing, roofing, siding, fasteners, and other essential components. We also believe in supporting our local communities—shopping with Marcus Lumber helps keep business strong in the Iowa heartland while giving you access to great value and professional expertise.

Discover for yourself why so many customers rely on Marcus Lumber for their steel and construction needs. Visit us today or give us a call—we're proud to serve Marcus, Storm Lake, and the greater Northwest Iowa region with honesty, integrity, and a friendly, helpful attitude.