Phone: 815-239-1671 | 800-535-5773

Welcome to Top Notch Building Supply

Top Notch Building Supply has been servicing Northern Illinois for over 25 years. Whatever the home improvement project Top Notch is the place to start. We work closely with home owners and contractors alike to get the project done right. With an average of 20 years of industry experience, our sales staff is ready to help you. 

Top Notch handles a full line of highly reputable products that will provide lasting quality and beauty to your home. We work closely with our vendors and manufacturers, to ensure that we are able to provide only the best quality of materials for your projects. Whether it's kitchen cabinets, countertops, windows, siding, or decking, we have your project covered.

At Top Notch we build quality into everything we touch and can install everything we sell. If you’re unsure of how to finance your project we can offer zero percent financing to qualified buyers. Need a general contractor for your project? We deal with some of the best in the area and help to get you connected.Our location, just off US 20 between Rockford and Freeport, gives us the ability to service a wide area.