Our architecture services.
Accessory Structures
Accessory structures can help you make the most of your property — adding functional space for a variety of needs in a small package. Our multidisciplinary team loves solving the unique challenges of designing ADUs and outbuildings of all shapes, sizes, and scopes.
Learn more.Apartments & Mixed-Use
With architecture, interior design, and landscape architecture in-house, our dynamic teams are passionate about designing new mid-rise apartments and mixed-use developments that please the residents who live there, the developers behind them, and the surrounding community they share.
Learn more.Townhouses
From small urban infill to large communities of dense housing, our multidisciplinary team lends an experienced eye to townhouse developments. Our goal is to create positive impacts on neighborhoods by providing well-designed, sustainable dwelling spaces contributing to the diversity of housing options needed for healthy urban fabric.
Learn more.Office to Residential Conversions
These unique and complex projects require a design team that has the experience to confidently take them from feasibility through construction, addressing the challenges of transforming a building from commercial to residential use. Our multidisciplinary approach is an excellent match, with the ability to consider your project from all angles.
Learn more.Multifamily Remodel & Repositioning
With in-house architecture, interior design, and landscape architecture, we are uniquely positioned to collaborate on the reinvention and repositioning of aging multifamily housing stock. We’ll design the environment to attract your target resident, and breathe new life into your multifamily development.
Learn more.Commercial
We build dynamic, multidisciplinary teams customized for the needs of your project. Whether you are starting from scratch opening your first space, or updating your existing brick-and-mortar location, we’ll collaborate with you to design a commercial experience true to your brand and values.
Learn more.Our architecture posts.
Architecture, Multifamily Residential
Navigating the Challenges of Middle Housing
Washington State’s Middle Housing Bill creates a lot of opportunity, but it also presents some challenges for self-developers. Here, we explore the expanded choices HB1110 offers, and how having a multidisciplinary design team can help navigate the real-life outcomes of this new legislation.
Learn more.Architecture, Interior Design, Landscape Architecture
Why Architects Are Your Best Advocates in a Complicated Permit World
Permitting in the Puget Sound Region is a complicated endeavor, but you don’t have to go at it alone. At Board & Vellum, we have the knowledge and experience to help get your project to the permitting finish line. In fact, architects are key players in helping you achieve permit success. Here’s how.
Learn more.Architecture, Multifamily Residential
Why We Need Middle Housing
Middle Housing has become a major buzzword in cities and towns around the country to increase access to affordable housing. So why is middle housing such an important part of the solution? Here, we break down some potential benefits of middle housing and Washington State’s HB1110, or Middle Housing Bill.
Learn more.Architecture, Ask a Designer, Multifamily Residential
The Middle Housing Bill FAQ
Washington State’s HB1110 — also called the Middle Housing Bill — is setting the stage for big changes to code and zoning in Seattle. But what is middle housing? And what is the “missing middle” HB1110 seeks to fill? You have questions and we have answers based on our best, current understanding of this landmark legislation.
Learn more.Architecture, Sustainable Practice
Straw Bale Construction FAQ
Have you ever heard of straw bale construction? It’s a form of building construction where bales of straw are stacked within a timber frame to insulate the walls. Not only is this a sustainable building method, it’s just plain cool. If you’e curious to know more, check out these frequently asked questions.
Learn more.Architecture, Ask a Designer, Custom Residential
Do I Need a Feasibility Study?
A lot of questions come up before embarking on a design project! A feasibility study, especially for complex or potentially complicated sites or projects, might be just what you need to kick off a successful project.
Learn more.Our architecture recognition stories.

Best of Houzz 2022: Design
With 80 five-star reviews on Houzz, we’re thrilled to see our clients and collaborators are happy and excited to be recognized for Design for the 9th year in a row.

Fixr’s Top 200 Experts in the Construction Industry 2022
For the 6th consecutive year, Jeff has been selected as one of Fixr’s Top 200 Experts in the Construction Industry for adopting new technologies to adapt to the changing world.

Best Residential Architects in Sammamish, Tacoma & Woodinville
On Home Builder Digest’s vetted lists of recommended architects for single-family residential projects in these Pacific Northwest locales.

The Best Retail Architects in Seattle
Board & Vellum is on the list of Best Retail Architects in Seattle, vetted and compiled by Seattle Architects. With architecture, interiors, and landscape in-house we can be the agile team you need to create your brick-and-mortar retail space.
Our architecture team team members.

Lance Hayes, AIA, CPHC®
Senior Associate, Architecture
Lance’s passion for architecture has allowed him to explore all over the country. The Montana native loves dramatic landscapes (natural and architectural) and enjoys expressing that love through the artistic lens.

Roy Stark McGarrah
Senior Associate, Architecture
Roy is dedicated to bringing the built and natural environments together in design that prioritizes community and connection, for final products that are as artful as they are functional.

Andrea Detweiler, AIA, CPHC®
Associate, Architecture
As a Certified Passive House Consultant, Andrea loves to bring sustainability to all project types. Outside of the office, Andrea often takes a break from buildings to sail on her 35’ sailboat.

Christina Sanchez
Associate, Architecture
Christina enjoys considering the psychology of a space. She relishes creating comfortable and sustainable structures connecting people with nature.
Would you like to learn a little more about us?
We’re pleased you’re interested. Explore more about us and our work via the pages below.
Our Story
Client-centered authenticity is our north star, and we continue to prove that great design doesn’t require great ego.
Architecture
Much of our lives are influenced by the built environment, so its design should be thoughtful, functional, beautiful, and enduring. Whether designing a home, building, commercial or community space, we approach it conscientiously. We are committed to great design, sustainable practices, and creating healthy buildings composed of spaces that are a joy to experience.
Considering a project, or curious about something?
Say hello, and send us your questions via the form below. We’re always pleased to make new connections, and eager to get to know you, your project, and your goals.

















