Spline Build is a boutique home builder dedicated to delivering high-end custom residences, innovative short plat developments, and modern DADU (Detached Accessory Dwelling Unit) projects throughout the Greater Seattle area. Founded by second-generation builders with a combined 20 years of experience, Spline Build blends legacy craftsmanship with forward-thinking design, ensuring every project is built with precision, quality, and care.

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Our work is defined by an unwavering attention to detail. From custom interiors with refined finishes to efficient land development strategies, each project is thoughtfully designed and meticulously executed to complement both our clients’ lifestyles and the character of the community. Whether crafting a one-of-a-kind luxury home, transforming a site through short plat development, or creating a trendy and functional DADU, we approach each build as an opportunity to set a new standard in craftsmanship and design.

Transparency is at the core of our process. We foster clear, open communication from concept through completion, giving clients confidence and peace of mind as their vision takes shape. This commitment to honesty builds trust and establishes lasting relationships that extend well beyond the build itself.

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At Spline Build, integrity guides every decision. We honor our commitments and hold ourselves accountable to the highest standards of quality and ethics. Our passion for construction is matched only by our respect for the people and communities we serve.

With Spline Build, you’re not just building a house—you’re creating a home that reflects timeless quality, modern innovation, and the unique story of those who live within it.

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