Porter Ranch, County of Los Angeles

GSI has been involved with grading of Porter Ranch since 1974 that has created thousands of lots for single-family and multi-family residences, shopping centers, commercial buildings, and medical buildings. Geologic/geotechnical engineering challenges included fault studies and structural setbacks, liquefaction studies and mitigation, landslide removals, hard rock, slope stability, and deep fills. Our original services were provided for Shapell Properties and more recently Toll Brothers.