Sellen Construction

Sellen Construction is a Seattle-based commercial builder founded in 1944, delivering projects for leaders in technology, life sciences, healthcare, arts, hospitality, and civic sectors across the Pacific Northwest. The company provides comprehensive services spanning preconstruction, cost estimating, constructability reviews, Virtual Design and Construction, integrated project delivery, sustainability, and a dedicated Special Projects group for renovations and tenant improvements. We focus on building community by creating spaces where significant work happens and partnering with nonprofits that strengthen the region, while managing projects with rigorous planning, collaborative delivery, and a commitment to quality and safety from concept through completion.