As one of the oldest and most experienced soil engineering and materials testing firms in Southern California,
Sladden Engineering
has completed more than 30,000 projects all over Southern California. Experience you can build on.


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Geological & Geotechnical
Sladden Engineering provides a comprehensive range of services related to geotechnical engineering. We have provided comprehensive geotechnical design and analysis services for a wide variety of civil and environmental projects, read more. -
Residential Development
From single family residences, condominiums and apartments, to master planned communities. Sladden Engineering performs geotechnical, geological, materials testing, and special inspection services, read more. -
Commercial and Industrial Development
Sladden Engineering has provided consulting services on 1,000’s of commercial and industrial developments throughout Southern California, read more. -
Material Testing and Special Inspections
We are highly qualified in the procedures for special inspection and materials testing as established by American Society for Testing and Materials (ASTM), International Conference of Building Officials (ICBO), read more. -
Facilities
Hospitals, schools, libraries, and many other public buildings are constructed under the purview of the California Division of the State Architect (DSA). DSA requirements are typically more stringent than those used for private construction, read more. -
Recreation
Sladden Engineering has provided geotechnical services for numerous recognizable private and public recreation facilities. Our projects include: golf courses, a professional sport stadium, sports parks, and regional, read more. -
Infrastructure, Power and Utility Facilities
Our project experience includes geotechnical, and materials testing and special inspection services for roadways, water storage reservoirs, water and sewer transmission lines, solar and wind power generating facilities, read more. -
Material Laboratory Approvals
Sladden Engineering’s Materials Laboratory has received certification as a testing agency for soils, construction materials and concrete compression testing for the City of Los Angeles and the California Department of Transportation, read more.
Sladden Engineering has provided comprehensive geotechnical engineering services for a wide spectrum of civil engineering projects. Sladden Engineering assists governmental agencies, developers, construction managers, and other design professionals from the preliminary design phases of a development through construction. Our complete scope of services provides our clients with consistency and continuity throughout the development and construction process.