Products - Custom Window Frames

John S. Wilson Lumber - Custom Window Frames

Serving the building industry for over 135 years

Lumber products Howard Co MD

Whether you need only a single window unit to replace an existing window or an entire house of new windows, John S Wilson Lumber can fabricate all of your window needs. When installation is desired,we will refer installation to dozens of Licensed, Qualified contractors that you can choose from for your project.

Our custom windows provide weather-tight integrity, ease of operation and reliable performance. Your custom designed window, whether simple or elaborate will be a long-lasting investment. Our design department will ensure the architectural integrity of the window construction and will work closely with the builder, architect, or homeowner to make sure your custom window meets all your specifications. Our finishing shop will also paint or stain to your exact specifications.

At John S Wilson Lumber we have experienced custom fabricators producing the highest quality windows, doors and interior millwork to exacting specifications for builders and architects throughout the Howard County, MD area.

For over 130 years we have been building custom windows, doors and millwork. Come to our store located in West Friendship, Maryland.

Hardwood Lumber: We have a large inventory of specialty hardwood and softwood lumber in stock for any project you may have.

  • Poplar
  • Clear White Pine
  • Red Oak
  • Cherry
  • Mahogany
  • Soft Maple
  • Walnut
  • White Oak

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John S. Wilson Lumber Company offers services to contractor and architects as well as for "do it yourselfers". We can design just about any type custom millwork from custom doors, fireplaces, built-in cabinetry to custom window frames and much more. You tell us what you need and provide a drawing and we'll go to work making it just as you planned.


You can depend on us for the best services for your business. Our sales professionals are experts and have years of experience. We also offer structural engineering, architectural design, and custom steel solutions. We have monthly breakfasts/lunches where you can come and meet some of our vendors and learn even more about products we sell in our store. We deliver.. you get prompt accurate delivery on our trucks to your job site. With a fleet of flatbed dump trucks, box vans and trucks with trailers; we can deliver your load from 8' to 48' safely & when you need it!


We're here to help architects and designers spec-out products and provide structural engineering services. Need a special type door or window design? Our custom millwork is the right answer. We can design and run any pattern in almost any species of wood. In short we have the products your client's want.


Our professionally trained staff can help you choose products for all your home improvement project needs. We specialize in windows, doors, decks, and mouldings, but we can also suggest the best product for your project. Are you looking for a Contractor that is reliable we do business with hundreds of contractors daily so we might be able to recommend the best contractor for your project.


Custom millwork is our specialty for over 130 years. You tell us what type of custom moulding you need and we can run mouldings for arches, half rounds, circles or just straight lengths. We have hundreds of patterns of custom arched moulding and we have moulding cutters in stock. You pick the pattern and we can run it in almost any species of wood.


These are just a few of the building products you will find in our store.

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