Specializing in custom homes, stock plans, remodels and additions. Other areas of expertise include Residential Architecture, Commercial Architecture and Interior Design.


Welcome to Landmark Design

For more than twenty five years of working together, we have created the perfect team to get your job done. Our experience is beneficial in handling all your design needs and requirements.

Please make yourself at home and have a look around our site. Take some time to search through our stock plans. If you require any assistance or have any questions, feel free to contact us.

Landmark Design Home Stock Plans - Sumner, WA

Stock Plans

Browse all of our stock plans. Hundreds from which to choose!

If you know your plan number, simply enter it in the stock plan number field. Otherwise, you can search our entire catalog of plans by selecting individual criteria that suits your needs.

Search Plans


We have crafted hundreds of varieties of home designs.

We have a few select designs available to peruse in our portfolio. Take a look and let us know if you have any questions.

View Portfolio

Reach Out

Questions, comments or ordering a stock plan? We're here to help.

Our courteous and professional staff is available to answer any and all of your questions. Get in touch with us via our web form or just give us a call!

Contact Us