Synthesis Interior Design was established in February of 2004. It is a sole proprietor business in Portland, Oregon, owned by Karen C. Karn. Residential, Church interiors and Corporate Office projects are emphasized in the Synthesis Interior Design portfolio of work. Specialty Casework design is highlighted in many projects.  
 
Synthesis describes the project process. The primary goal of Synthesis Interior Design is to develop, promote, and execute a successful merging of ideas between the client, contractor, and designer that enhances the project outcome for repeating and new clients.  

Expert Interior Design Craftsmanship Since 2004

Explore our specialized services, committed to excellence and client satisfaction across diverse project types.

Residential Design

Customized interiors that reflect your lifestyle and enhance comfort in your home.

Corporate Office Spaces

Innovative designs that boost productivity and brand identity in your workspace.

Church Interiors Design

Beautifully crafted spaces that elevate experience.

Casework Design

Specialty cabinetry design is a creative immersion in fine detailing and material selection.