Kimleyhorn - Columbia St

Kimley-Horn - Kimley-Horn is a multidisciplinary planning and engineering firm with a Portland office offering services in transportation, land development, environmental consulting, and water resources. The firm supports municipalities, private developers, and infrastructure agencies with traffic studies, stormwater design, civil site development, and transit planning. Kimley-Horn’s Portland team delivers data-driven solutions that align with community goals, regulatory requirements, and long-term sustainability. Known for responsiveness, technical depth, and project delivery excellence, Kimley-Horn partners with clients to solve complex urban challenges and build smarter, more connected communities across the region.