ADU Design Competition Submission Database

In 2023, with the generous support of AARP, The Whatcom Housing Alliance hosted an ADU Design Competition to inspire, educate, promote, and create important connections to professionals and resources. We received over 40 unique and innovative submissions, all of which are listed below to explore and inspire!



[bundle] design studio



Sparks Designs


BASE+ – Fathom Architecture

The Madrona Cabin – Katie Greenmun

The Madrona: Multi-Generational ADU – The Lones Group

reFRESH – Haven Design Workshop

Roost – Allison Crandall


A Tiny House DADU – Deborah Todd

Badass Cbox Dwelling – Sage K. Saskill

BoxBox – Concept Design

Butterfly ADU – Michael Quinn

Cedar ADU – [bundle] design studio

Cedar Cottage – CAST Architecture

Cottage in the City – Haven Design Workshop

Cozy Cottage – Shannon Maris

Detached ADU on Downslope Lot – Dave Kangas

Dunne ADU – CAZ Construction

Dwellings that SIP – Jeremy Harper

Elevated ADU – Zervas Group Architects

Encompass One – Matt Remsbecher

Flexible Four-Square DADU – Deborah Todd

Funk Shui – Concept Design

Heart of Home – Jennifer Jones

Innovative Reality – Arin Smith

Intergenerational ADU – Concept Design

Level Living – Shannon Maris

Murphy House DADU – TC Legend Homes

Patio Shed – Araceli Lopez

Sedge Cottage – CAST Architecture

Sequoia – [bundle] design studio

Sitka Cottage – CAST Architecture

Smart Art ADU – Maggie Bates

Sunny Side Up – Shannon Maris

The Good Life – James Jeghers

The Harmony Hut – Debbie Anderson

The Petite Suite – Pelletier + Schaar

The Screen ADU – Lucas Gray and Kristin Slavin

Tiny Purple House – Michael Feeney

Wheel Haus – Uptic Studios

Yamahouse – Pelletier + Schaar Architects

To learn more about the competition, explore the guidelines and FAQs below.

Thank you for joining us for Whatcom Housing Week 2023:

A series of events building awareness and support for innovative housing solutions.

Thank you to our ADU Design Competition Sponsors: