Synthesis Interior Design


Karen C. Karn


Looking to remodel your residence, office, small or large spaces?

Engage a well-seasoned designer, Karen C. Karn, IIDA, LEED Green Associate, who shares advice and expertise through the design process and enjoys working with contractors to execute your vision. Synthesis Interior Design provides comprehensive interior design services beginning with schematic design through project completion.

Why We Love Sellwood

Working and living in Sellwood allows me to be centrally located to service clients throughout the Portland Metropolitan area and beyond. Showroom access is convenient; local meeting spots are easily scheduled; travel time to clients' projects is efficient.

Synthesis Interior Design


Established in 2004

Hours by appointment Monday - Friday 8:30am-5:30pm

My business mascot is our German Shepherd named Lucy. :-)