Seattle Windows

  • Windorco delivers wood windows of exceptional beauty and utility to its customers.
    Wood Windows by Windorco Supply Inc. of Seattle WA


  • We offer aluminum windows in a number of types and styles for a variety of applications
    Aluminum Windows by Windorco Supply Inc. of Seattle, WA


  • Vinyl windows are available in a variety of different opening styles and designs, and are all custom made.
    Vinyl Windows by Windorco Supply Inc. of Seattle, WA


Windorco Supply Inc. provides high quality, energy efficient windows and doors to our customers in Seattle and beyond, and has been doing so since 1961. We are family owned and operated, and we strive to maintain quality relationships with general contractors, home owners, as well as many condominium and apartment building owners.

We manufacture solid Douglas-Fir wood windows and welded aluminum windows in house, allowing us to be certain we are able to provide the quality you deserve at an exceptional price. From large custom homes to rentals, complete installations to pick-up orders, we do it all.

Take down some rough measurements. Stop by, call or fax them in, and see how we can provide what you really want, for a price you’re willing to pay.

  • Welcome to the new site for Windorco Supply Inc!

     Windorco supplied these beautiful library windows and doors
    Windorco has been installing windows throughout the greater Northwest for over 48 years. We have always trained our own installers, never using sub-contractors or paying piece work. We are proud of our people and our company. We plan to use our new digital presences to enable our customers describe their experiences in working with us, talk with you about our products and services, and provide useful information to you as you consider Windorco to become the supplier of your family’s viewports to the world, the windows and doors in your home.

    We look forward to the conversation, and to the opportunity to win your business, deliver outstanding products and services, and earn and respect your trust. Thank you.