Marvin Windows

Are you looking for high quality Marvin Windows? Then you are at the right place as National Lumber Co., offers a wide range of products in various styles and designs. Our replacements windows are bound to complement and enhance the ambience of your home or office.

Marvin Windows are top rated and uniquely designed windows that have become highly popular among the residential and commercial segments. The windows come in various styles, colors and coating with clear finishes to enhance the look of your living space. The windows also come with various control mechanisms that users can choose per their comfort.

National Lumber Co. is one of the largest authorized Marvin dealers in Baltimore offering windows and doors for both large and small residential and commercial installations. We offer energy efficient windows that enable a natural climatic control mechanism for all seasons. We also offer custom solutions such that you get the best replacement window for your money. Since our inception in 1919, National Lumber Co., has been serving residential and commercial builders, remodelers, architects and consumers and have built a reputation of being the most trusted company when it comes to window installation, custom cabinets, kitchen and bath remodeling solutions and more. We are a member of National Kitchen and Bath Association that ensures that all of our products and services meet industry standards.

We have a team of highly trained and skilled experts with more than 20+ years of experience in the home improvement and renovations industry. We have a comprehensive showroom, offering everything from basics like tools and finishing products, to lumber, windows and doors and custom kitchen and bath solutions for residential and multi-family properties. At National Lumber Co., we believe that customer satisfaction is our top priority to build a long lasting relationship. This commitment drives us to be current with the latest in industry standards and technologies to ensure that every product or solution we offer matches your requirements and budget.

Contact us at 410-675-4740 to learn more about our services or email us at