POLYMATH is a full-service Architecture and Design studio, based in Portland, Oregon, serving the Pacific Northwest and beyond. We specialize in:


Clean lines, an honest expression of material and structure, abundant light and air, and a strong connection to nature.


Add that second story or bump out the backturn your current house into the house of your dreams.


Live small, embrace multi-generational living, or earn rental income. Help find the Missing Middle.


Simple designs, elegant details, and high quality living spaces.


Certified Passive House Consultant. LEED Accredited Professional. Save the planet and on your utility bills.


Marguerite ADU

A contemporary lofted ADU in Southeast Portland.

On The Boards: Underwood Addition

A dramatic addition to a 1951 ranch in the southwest […]

Under Construction: Westwind Apartments

A renovation of a 4-unit mid-century modern apartment building.

Basement of Dreams

An extensive basement renovation in SE Portland.

On the Boards: Court / House

A contemporary residence in Northeast Portland, featuring a central courtyard […]

Alder Lift

An 1888 Victorian is rescued from its crumbling brick foundation, raised, and anchored to a new lower level. The musty, little-used basement is replaced by an open living space that serves as the heart of the rejuvenated home.

Ladd’s Renovation

A tasteful modernization of a 1904 home in Portland’s Ladd’s Addition Historic District.

Caruthers ADU

A conversion of an historical garage into an ultra-compact studio apartment.

Hawthorne Addition

A contemporary, yet sympathetic, addition to a 1925 bungalow.

Killingsworth ADU

A 550sf dwelling with a lofted sleeping area and beautiful exposed-structure wood ceiling.

About us

We design things. Mostly buildings. We advocate for Idea and Craft in the man-made world.

Sean Barnett, AIA

Oliver Brandt

Brendan Albano, CPHC®


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