Welcome to American Lumber Company

Please come and visit our showroom which has the widest selection of architectural windows and patio doors in Modesto. You will be able to see operating Marvin windows and patio doors. Our window experts, John and Fred will be happy to show you the huge variety of Marvin styles, colors, interior finishes, hardware, and other options.

American Lumber Company has been serving Modesto since 1923, from the same location at 9th and M Streets. It was founded by William R. Mensinger and is owned by his grand children. Our goal now, as for the last 87 years has been to provide our customers with quality products and attentive service.


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Feeling a draft? Trouble opening that window? Then it might be that time…

There are tell-tale signs to look for when deciding if it’s time to replace the windows and doors in your home. The best step is your first step—and that starts with gathering information from your local Marvin® dealer.

Marvin Collections
Inspired By How You Live

We’re all searching for ways to live better and feel healthier. That’s why Marvin is committed to helping you find the right products for your project. For over 100 years, we have designed beautiful products that meet the everyday needs of ordinary people. So, our windows and doors are truly inspired by how you live. Organized into our Signature, Elevate and Essential collections, all Marvin products deliver quality you can see, touch and feel. Living better is in the details.

Marvin Windows and Doors - Advantages Promo
The advantages of working with a Marvin Dealer

Whether you're building a new home, remodeling or making home improvements, we understand that choosing windows and doors can be a big decision. Our Marvin experts will walk you through the options - including energy-efficient glazing, hardware finishes, clad colors and other design features. We'll be there to answer your questions and help you make the right choices for your project.