Big Savings on Building Supplies!
Lakeland Building Supply offers a huge selection of materials at excellent prices in your area. Celebrate our 40-Year Anniversary with big savings!

If you’re planning a renovation project for your home, it’s important that you have quality materials and the guidance of an expert design team to ensure that it is a stress-free, cost-effective process. As the premier choice for Belvidere building supplies, Lakeland Building Supply is a one-stop-shop for wholesale doors, siding, decking and more that you need when transforming your home. We offer an expansive selection of high-quality products from top name brands in the industry, including Kolbe, ProVia, and Lumberock – at a price that can’t be beat! Our professional team can even help you design and plan your project to ensure that you get the highest value for your budget.

New Replacement Windows

Are you tired of outdated windows letting moisture and drafts into your home? Then Lakeland has the solution for you with our premier wholesale windows! Our affordable windows are ideal for both residential and commercial customers, and we feature popular brands known for long-lasting durability, including Milgard, Kolbe, and CertainTeed Windows. Whether you are looking to replace a broken window in your home or do a full-house window upgrade, our Belvidere building supply company is the ideal choice to get the most out of your budget.

Wholesale Cabinets

The cabinets in your home should be both highly functional and visually appealing, and Lakeland has the wholesale cabinets you need to create a one-of-a-kind look for any room of the house. With products from Mid Continent Cabinetry, Dynasty Cabinets, Top Knobs, and several other name brands, we guarantee that you won’t find better quality cabinetry at a more affordable price in the industry.

Exterior Doors

Exterior doors are necessary for protecting your family from the elements and intruders, but they also play a major role in the curb appeal of your home or office. Lakeland has the industry’s largest selection of wholesale doors that you can trust to look beautiful and provide lasting protection for years to come. From the stunning elegance of ProVia Doors to quality Kolbe Doors, there is something for everyone at our building supply location.

Belvidere Siding

The siding on your building is its first line of defense against the harsh elements of nature, and you need to be able to count on the quality and durability of the siding you choose during your renovation. Our selection of building supplies includes beautiful, weather-resistant siding options from trusted name brands – giving you the confidence you deserve during your home improvement project.

Decking Materials

Transforming your home with new decking is ideal to increase the livability of your outdoor space, and Lakeland Building Supply can help you complete the project in an economical, efficient way! Our premier decking is from brands you can depend on for lasting quality. We offer both wholesale PVC and composite deck boards for low-maintenance, luxurious appeal, as well as railings and accessories to help you complete the look.

Providing exceptional customer service and affordable, quality building supplies is the first priority of the team at Lakeland Building Supply. To learn more about the products and services we offer, give us a call or fill out our online contact form to request your free, no-obligation estimate.

April Specials

Browse our April specials and see how much you can save with Lakeland Building Supply today.

Savings on Windows and Skylights!
For our 40th Anniversary, we're giving you the gift of savings! Shop windows and skylights from sought-after brands including Lincoln, Kolbe, Velux, FiberFrame, Simonton and other quality brands you can trust.
Kitchen Cabinetry Savings!
Celebrate our 40 Year Anniversary with savings on cabinets and accessories from popular brands such as Mid Continent, Omega, Kitchen Craft and more.
Exterior and Patio Door Savings!
Celebrate our 40th Anniversary with big savings on entry doors and patio doors from popular brands such as Simpson, Lincoln, Simonton, FiberFrame and more.

Why Choose Lakeland Building Supply

Lakeland Building Supply, providing our customers with the most high quality building supplies combined with professional design and planning services is our main concern.

Quality Building Supplies

We've been a primary provider of the highest quality windows, cabinets, doors, decking and siding in Northern Illinois for 40 years.

Wholesale Product Prices

Lakeland Building Supply offers quality building supplies at a wholesale price. We provide direct pricing to all our customers.

Premium Customer Service

We strive to meet or exceed client expectations. From selecting premium materials to designing your space, we're here to help!

Lakeland Building Supply Reviews

We are very happy with our experience working with Rod at Lakeland Building Supply! From start to finish the customer service has been top notch. Our new cabinets were delivered on time and in perfect condition. Any questions I had were answered immediately and thoroughly. I highly recommend them...