Williamson Landscape Architecture focuses exclusively on residential gardens, both renovations and new construction.

Our process includes custom designs, site-sensitive planning, and full installation of landscapes. With our in-house designers and a select group of subcontractors and master craftsmen, you will enjoy timely, quality workmanship through every phase of creating your beautiful Northwest garden.

We’d love to discuss your project with you – contact us today.


For anyone who wants an excellent landscape architect, I’d say, Bill’s the one!

Robert, Seattle