COASTAL ENGINEERING LLC

Coastal Engineering LLC specializes in heavy civil infrastructure construction and specialized support services for federal defense installations, with a focused track record in dam and bulkhead systems, concrete restoration, and underwater engineering operations. Their core capabilities include the design and installation of hydraulic structures such as bulkheads and low-flow port modifications, precision poured concrete repairs on critical dam infrastructure, and dive-supported civil works projects requiring underwater intervention. The firm demonstrates technical proficiency in marine civil engineering, structural concrete remediation, and river diversion logistics, often operating in sensitive environmental zones with strict regulatory compliance. Their ability to execute complex, mission-critical repairs on U.S. Army Corps of Engineers and DoD-owned water control structures sets them apart as a trusted specialty contractor in defense-related hydraulic infrastructure. The company maintains a consistent relationship with the Department of Defense, delivering mission-critical civil works services across multiple installations. Their work includes structural integrity upgrades to dams, shoreline stabilization, and dive-assisted aquatic infrastructure maintenance—tasks essential to operational readiness and environmental stewardship within military waterways and flood control systems. Industry focus centers on NAICS 237990 (other heavy and civil engineering construction), 238110 (poured concrete foundation and structure contractors), and 238990 (other specialty trade contractors), reflecting a niche positioning in defense-aligned hydraulic and structural construction. They serve the defense infrastructure market with precision-engineered solutions for aging water control systems, leveraging field-tested methods in concrete rehabilitation and marine structural installation. Coastal Engineering LLC is a small business structured as a 2J entity based in West Milford, New Jersey, with no federal certifications on record. Their geographic presence is centered in the Northeast, with project execution spanning federal water infrastructure sites nationwide. The firm’s market positioning is defined by its ability to deliver high-stakes, low-margin civil works under demanding operational conditions, serving as a responsive contractor for the Department of Defense’s aging infrastructure renewal priorities.