architectural design

Residential Architectural Design in Seattle, WA

We provide residential architectural design services for new homes, remodels, ADUs, and additions throughout Seattle and the greater King County area. Our approach blends clean, modern design with sustainable thinking and a deeply collaborative, client-focused process.

Whether you're building a custom home from the ground up or reimagining an existing space, we’ll help you:

Navigate permits and zoning requirements
Develop efficient, code-compliant design plans
Align every detail with your lifestyle, aesthetic, and site conditions

Our designs balance aesthetics, function, and context—so your home not only looks incredible, but lives beautifully, too.

structural design

We provide custom residential structural design solutions that support both form and function. Our approach emphasizes clarity, efficiency, and integration—ensuring that each structure not only performs reliably but complements the overall design vision.

interior design

We offer interior design services focused on refined, functional spaces that feel calm and intentional. Our style emphasizes clean lines, natural materials, and thoughtful details that elevate everyday living. At Birchwick, we believe every space should not only reflect its environment but also enhance the well-being of those who inhabit it.

Let’s Create Something Timeless Together

We proudly offer architectural design and interior design services throughout Washington State, focusing on major cities like Seattle, Spokane, Tacoma, Bellevue, and Vancouver. Additionally, we extend our services across the Pacific Northwest, West Coast, and nationwide, ensuring that no matter where you are, we are ready to collaborate on your design vision.

Have a project in mind? We’d love to hear about it!

At Birchwick, we believe every space has the potential to be something extraordinary—with the right vision, collaboration, and care. Whether you’re planning a new build, renovation ADU, or simply exploring ideas, we’re here to help guide you with clarity, creativity, and professionalism.

Click the Contact Us page to share your exciting new project with us. We’re ready to be the trusted team that walks with you—offering the experience, insight, and design focus that turns inspiration into enduring architecture.

Let’s work together to create a space that is not only beautiful but also peaceful, functional, and lasting—something you’ll be proud of for years to come

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