[BlackTalon]

Definitely add some soil around the top of the stairs so it slopes away. Builders rarely compact backfill properly agaist foundations as they do not want to risk causing cracks; that leads to settlement issues over the next dozen or so years. clayey soils makes it even worse if there is marine clay content, as that material shrinks/ expands; don't expect it to ever settle/ compact and be done moving. Marine clay is grey, so if you only ever see reddish clay when digging around in the yard that may not be an issue.