As a high-end contractor team based in Seattle, Washington, we pride ourselves on offering top-notch full service construction services, design-build expertise, custom homes, and remodels. Our passion lies in bringing your dreams to life with precision and dedication.

Every project we undertake is a masterpiece in the making, crafted with care to reflect your vision and exceed your expectations. Trust in our commitment to quality and excellence as we work tirelessly to transform your ideas into reality.

Experience the difference with Trefethen & Lynam Construction - where every detail matters, and every dream is realized beyond imagination.