SLADDEN Engineering

Premier Soil Engineering & Materials Testing Firm

Your Blueprint to Success Starts With Sladden

100,000+ Projects

As Southern California’s Soil Experts


Over 65 years of qualified experience navigating various challenges to deliver comprehensive solutions across a range of sectors.


Proud to serve a diverse clientele including private developers, public agencies, utility companies, and individual homeowners.


We prioritize clear communication throughout the process, and the flexibility to adapt to specific challenges or preferences.

Sladden Engineering Service Range

Geological & Geotechnical
Residential Development
Commercial Development
Material Testing & Inspections
Facilities Development
Recreational Development
Infrastructure Facilities
Laboratory Approvals
Project Experience

Sladden Engineering

Experience you can build on.

Office Locations

Los Angeles & Orange County


6782 Stanton Avenue, Suite C
Buena Park, CA 90621

Coachella Valley – Indio


45090 Golf Center Parkway, Suite F
Indio, CA 92201

Inland Empire - Beaumont


450 Egan Avenue
Beaumont, CA 92223