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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Integrity Windows and Doors 20 Years Promo
20+ Years of Residential Remodeling and Replacement Experience

Every remodeling project has its own unique requirements and Integrity is equipped to meet those challenges. Two distinctive series, All Ultrex® and Wood-Ultrex®, provide an abundance of sizing, performance, and configuration capabilities to meet your needs. The Ultrex material pioneered by Marvin Windows and Doors, combines proprietary pultruded fiberglass and finish technologies that deliver proven energy efficiency and sustainable performance advantages. Our experts can guide you through even the toughest projects.

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.