The Dutra Group

The Dutra Group is a family-owned, industry-leading marine construction company with over a century of expertise. With three integrated divisions—Dutra Dredging, Dutra Construction, and Dutra’s San Rafael Rock Quarry, Inc.—we provide a one-stop organization capable of handling projects of any scale with exceptional reliability and pride.

Our legacy began in 1904 with Antone Dutra’s pioneering work on the California Delta levee system. Today, we continue that tradition of excellence, innovation, and sustainability. From dredging waterways to reinforcing critical infrastructure, our team of 325 professionals is dedicated to shaping the future while staying true to the values that have guided us for generations.

Building on this rich heritage, The Dutra Group strengthens the nation’s maritime and civil infrastructure through vital services like maintaining navigational channels, supporting coastal restoration, and managing flood control. Our work ensures the flow of commerce, protects communities, and preserves vital ecosystems. Whether responding to emergencies or delivering long-term infrastructure solutions, we balance sustainability with reliability to support industries and communities with every project we undertake.