Andrea Detweiler is an Associate and architect at Board & Vellum, an architecture, interior design, and landscape architecture firm in Seattle, Washington.

Andrea Detweiler, AIA, CPHC®

Associate, Architecture

Andrea is an architect excited by creating beautiful and sustainable housing for all. Reliable, analytical, and observant, Andrea is an asset to both clients and consultants, collaborating across disciplines, offering ideas for improving processes, and relishing all phases of project work. Andrea favors simple, elegant, and efficient design that can withstand the test of time.

Andrea specializes in multifamily design, with additional experience in commercial and custom residential projects in the Seattle area and beyond. As a Certified Passive House Consultant (CPHC), she is dedicated to pushing the envelope for sustainable design and focuses on incorporating beneficial sustainable strategies into her projects.

Originally from Indiana, Andrea earned a Bachelor of Arts in Music and Visual Art from Goshen College. She earned a Master of Architecture degree from the University of Oregon, where she was a teaching fellow for courses in architectural design, history, and theory. Outside of the office, Andrea often takes a break from buildings altogether and sails on her 35’ sailboat, Gusto.

[email protected]
+1 206 971 6517

A sample collection of Andrea’s project contributions.

With experience in multifamily, commercial, and custom residential projects, as a CPHC, Andrea specializes in designing sustainable buildings.

Matthias Academy – Board & Vellum
On The Boards
Feasibility & Conceptual Design for a Multipurpose Campus

Matthias Academy

With goals of providing housing, education, employment, and community to adults with special needs, Matthias Academy’s complex project is taking shape through extensive feasibility studies, concept design, and stakeholder management.

New Townhomes Along Greenwood Avenue

Bitter Lake Townhouses

Nestled on a site with a mature tree canopy, this new townhouse development forms a pedestrian-centric community along a busy arterial in North Seattle.

318 Lofts Passive House Apartments – Board & Vellum
On The Boards
Passive House Multifamily Housing

318 Lofts Passive House Apartments

New construction for a modern building ensuring long-term sustainability, durability, and affordability via Passive House principles.

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Who are we, anyway? For starters, we are a close-knit team of creative professionals, collaborating on architecture, interior design, and landscape architecture. We love what we do, and we have fun doing it. As your advocates, our goal is to help you realize a project that you love.

Our Team

Over the years, we’ve built a team of passionate architects and designers who not only love the work we do, but love working together. Our enthusiasm translates directly to our projects, and we pair team members with clients and projects we think will be a great fit.

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