Thank you all for your responses. Sadly, the cut and fill does pose a problem with the site. The slab would begin halfway down the slope giving me a 2' step down to the new level grade.
As for location, I'm in the hills of Los Angeles, just west of Pasadena. Luckily my zone is not...
I'm designing a shop/ garage for my house in the hills and am wondering about the possibility of going with multiple piers or concrete knee walls to support beams vs. bringing in soil to level the grade and then pouring a slab. The shop/ slab is to be approx 16' x 40'. The grade difference is...