Welcome to Ashby Lumber - Door & Window Showroom

Ashby Lumber's convenient Showrooms in Berkeley, California and Concord California, allows architects, builders, and homeowners to view full size displays and a wide selection of decorative hardware. Our highly skilled and knowledgeable sales professionals will help you visualize how Marvin's remodeling and replacement products will complement your project.

Ashby Lumber is a family-owned business that has been in the same location for over 40 years, enabling the most complete, value-conscious inventory of home improvement products serving the entire San Francisco Bay Area.

Whether you are a Contractor or a Homeowner, visit Ashby Lumber in person or on-line today.

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Now is the Perfect Time for New Windows and Doors

When you choose Marvin Windows and Doors by Marvin, you’ll have made an exceptional choice for your new home, remodeling project, or window and door replacement project. 

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.