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Thanks guys, [ feel a lot better about our assumptions. The house is on the side of a mountain. What I decided to do was use 2,500 psf allowable for the front (uphill) wall due to how deep into residual soil the footing will be. Then 2,000 ever where else. This will be stated in our design...

Agreed. However, what about a 20-foot tall wall? In this case there is an additional 1,200 PLF plus the load from 2-floors and a roof. If we widen the footing to 30", then it needs to be 36" wide for 2,000 PSF allowable bearing. If we go to 36", then it needs to be 40" wide, until we get to a...

When designing a 2-foot wide basement wall footing that is supporting 12" CMU, is the weight of the soil above the 6" strip of footing that extends into the retained soil area accounted for when calculating bearing pressure? For example, a 10-foot tall basement wall supporting 10-feet of...