Hi Sandy,To my knowledge it is more of a lender by lender scenario.

Originally posted by @Sandy Sawyer:I've recently learned how to run numbers for property depreciation as a contra asset, yada yada.

And you might want to consider some type of environmental inspection in case the old system contaminated the soil but with some due diligence you can make sure you're not buying a lemon.

I already have a topographic survey and soil reports.Could anyone please recommend a good contractor, structural engineer and an architect who specialize in properties on a hill and who have reasonable pricing. 

Then idiots vote in a tax based on how much hardscape you have because rain can't reach the soil.

Foundation seems to be fine, but house is on clay soil which is causing the problem. 

, sump pump, and plumb laundry into the ejector pit.Electrical - $1,200Pretty straightforward, replace some breakers, ground some outlets, install a fan in the bathroomFoundation and Plaster Ceilings - $15,000A retaining wall needs to be built in the basement and backfilled in order to prevent any issues with the soil washing out (!).

@Charles Johnson Its hard to say what to do without knowing the specifics like grade and soil type.

Maybe get some soil samples taken.

I've been reading about the pitfalls around auto shops (soil & drinking water contamination, etc.).