Call Us
619-276-4401

Our Capabilities

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Marine Construction

Industrial Commercial Construction

Environmental Mitigation/ Reclamation / Habitat Restoration

Heavy Civil / Earthwork

Dredging

Contact Us
619-276-4401

Our Blog

March 7, 2020

Like the Ballona Wetlands and most other southern California tidal wetlands, San Elijo was gradually filled in over a century....

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January 13, 2020

Marathon Construction Co. of Lakeside on Thursday was awarded its latest Pentagon contract — a $7.37 million job to repair...

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First
Glance

30

Years in
Operation

400+

Construction Projects
Completed

100%

Family Owned
& Operated

$250 Mil

Bonding
Capacity

Featured clients

US Army Corp of Engineers
Port of San Diego
Caltrans
Naval Facilities Engineering Command
BAE Systems

General Dynamics / NASSCO
SeaWorld San Diego
City of San Diego
Southern California Edison

Marathon Construction logo

Address
10108 Riverford Rd. Lakeside, CA 92040

Email Us
info@marathonsd.com

Contact
p. 619-276-4401 / f. 619-276-0717