Marathon Construction Corporation is a San Diego, CA based family owned construction company which has operated successfully in the western United States for over 45 years. Marathon’s longevity and unequaled reputation is attributable to the breadth and core of its construction staff which has over 300 combined years of largely marine, environmental, and heavy general engineering project management and experience. Marathon’s commitment to excellence and project delivery for the customer is its hallmark. With $75,000,000 single bonding limit and $200,000,000 aggregate bonding capacity, we are able to take on large, complex construction projects providing a one stop resource for our customers.
Construction of wharves, piers, seawalls, bridges, rock revetment, boat basins and more – Marathon Construction has been in the waterfront construction business for more than 45 years on over 300 projects from Southern California to Washington State. Marathon Construction can provide clients with a wide range of marine construction experience at a best value.
Industrial and commercial construction from tenant improvements on existing facilities to new facility construction, Marathon Construction can provide clients with a wide range of their industrial and commercial needs.
Environmental Mitigation/Reclamation/Habitat Restoration
Marathon Construction can provide clients with a wide range of environmental construction including environmental mitigation projects, reclamation of lands, habitat restoration of uplands, riparian and wetland habitats, maintenance and irrigation of various habitats, and expert consultation on various aspects of habitat restoration. Marathon has completed over 20 environmental projects ranging from $500,000 to $86 million.
Construction of levees, box culverts, flood control projects, civil and mechanical underground, shipyard facilities, storm drainage systems, storm water collection systems, mass grading and earthwork, landfill closures, landfill gas collection systems, roadway work, and more – Marathon Construction provides clients with a wide range of heavy civil construction needs.
Marathon Construction services various clients needs when it comes to dredging various bottom material excavation. From hydraulic to clamshell to dragline dredging, Marathon can meet the customer’s needs with efficient, professional and cost effective dredging. Additionally, Marathon can provide upland disposal, material drying and UXO screening of the dredged material.