Business Details
50+ Years
experience
Emergency
services
Expert Marine Construction & Dredging Services
Dutra Group has been a leader in heavy civil marine construction for over a century, delivering dredging, marine construction, and ecological restoration services across the United States and the Pacific Rim. Founded in 1904, our family-owned business combines deep industry expertise with a commitment to sustainability and safety. Our team of 325 professionals specializes in maintaining navigational channels, reinforcing infrastructure, and protecting ecosystems through innovative solutions. We prioritize safety as a core value, ensuring the protection of employees and communities involved in our projects. With three integrated divisionsDutra Dredging, Dutra Construction, and San Rafael Rock Quarry, Inc.we handle projects of any scale, from emergency response to long-term infrastructure development.Our legacy of excellence is built on over 100 years of experience, a dedication to quality, and a focus on client satisfaction. We serve public and private sectors, offering tailored solutions that balance environmental responsibility with operational reliability. Our work supports commerce, community resilience, and ecological preservation, reflecting our mission to strengthen national infrastructure. Through strategic acquisitions like Hanford ARC, we continue to expand our capacity for restoration and adaptive infrastructure projects. Our values of integrity, community, and relationships guide every project, ensuring trust and collaboration with clients, partners, and employees.
Services
Dredging
Marine Construction
Ecological Restoration
Aggregates Supply
Fabrication
Details
- Year established: 1904
Highlights and features
- We have over 100 years of experience in marine construction and dredging.
- Our family-owned business prioritizes safety, sustainability, and client trust.
- We offer integrated services across three specialized divisions.
- Our team of 325 professionals handles projects of any scale nationwide.
- We combine proven methods with innovative solutions for reliable results.
Services
Dredging
We perform hopper and clamshell dredging for channel deepening, coastal restoration, and storm recovery. Our services include environmentally conscious sediment removal and disposal, supporting navigation, flood control, and ecosystem preservation. With over a century of expertise, we deliver reliable solutions for public and private clients nationwide.
Marine Construction
Our marine construction division builds and repairs piers, bridges, seawalls, and levees. We specialize in pile driving, environmental remediation, and emergency infrastructure recovery. Using state-of-the-art equipment, we ensure durable, code-compliant structures that enhance coastal resilience and transportation networks across the U.S.
Ecological Restoration
We restore wetlands, marshes, and coastal ecosystems through projects like levee reconstruction and habitat creation. Our work includes erosion control, tidal restoration, and sustainable material reuse. Partnering with agencies, we implement solutions that balance ecological health with infrastructure needs for long-term environmental benefits.
Aggregates Supply
San Rafael Rock Quarry, Inc. supplies high-quality aggregates via barge for construction and infrastructure projects. We offer riprap, concrete aggregates, and permeable materials, supporting dredging and marine construction activities. Our fleet ensures efficient delivery to waterside and land-based sites in Northern California and beyond.
Fabrication
Our fabrication shop provides custom steel solutions for marine and heavy civil projects. Services include equipment retrofitting, shipyard repairs, and safety program implementation. With skilled engineers and advanced technology, we deliver durable components for docks, bridges, and industrial facilities nationwide.
People
Bill Dutra
Owner
Bill Dutra leads Dutra Group's fabrication division, leveraging decades of industry experience to drive innovation and quality in custom steel manufacturing for marine infrastructure projects.
Steve Lee
VP, Equipment
Steve Lee manages Dutra's equipment and fabrication operations, overseeing state-of-the-art facilities and teams that deliver custom solutions for heavy civil and marine construction challenges.
Will Wallgren
VP, Business Development
Will Wallgren leads business growth and government relations, fostering partnerships that expand Dutra Group's capacity for large-scale infrastructure and restoration projects.
Patty Dutra Bruce
VP, Human Resources
Patty Dutra Bruce oversees HR and community relations, ensuring a safe, inclusive workplace while maintaining the company's century-old commitment to employee welfare and local engagement.
Aimi Dutra Krause
Public Relations Director
Aimi Dutra Krause manages public relations and community outreach, promoting Dutra Group's values of sustainability, safety, and historical preservation through strategic communications.
Questions
What services does The Dutra Group offer?
We specialize in dredging, marine construction, ecological restoration, aggregates supply, and steel fabrication for infrastructure projects.
How long has The Dutra Group been in business?
We have over 100 years of experience, founded in 1904 as a family-owned marine construction company.
Where does The Dutra Group operate?
We work nationwide in the U.S. and across the Pacific Rim, with headquarters in San Rafael, California.
Does The Dutra Group handle emergency projects?
Yes, we provide emergency response services for coastal restoration, levee repairs, and infrastructure recovery.
What industries does The Dutra Group serve?
We support public and private sectors, including ports, transportation, energy, and environmental agencies.
How does The Dutra Group prioritize safety?
Safety is our top priority, with strict protocols ensuring employee and community protection during all projects.
