Since 1988 Terra Firma Drilling, Inc. has been providing drilling services throughout Central and Southern California. Terra Firma is family owned and operated by father/son team, Don and Aaron Crouse. Our team of 10 highly skilled, long term employees, have experience in specialized drilling projects of all shapes and sizes. Terra Firma provides drilling for all construction needs including foundation caissons, retaining wall caissons, soils testing, percolation testing, hillside shoring, slope stabilization, seepage pits, elevator shafts, swimming pools, and more. We also provide limited access drilling for jobs with low overhead and tight access restrictions. We've worked in avocado orchards, sandy beaches, steep hillsides, and inside structures - making sure to use the right equipment and techniques to accomplish the task at hand safely and efficiently.