I am deciding to to design a new home. Approx. 4000sqft, walk out basement, 4-5 bedromms w/ full baths. etc. My question is , is it cheaper to build a single story witha walk out basement, or a 2 story witha walk out basement? The lot is sloped and easily would accommodate a walk out.
Thank you.

BSHEEHAN

In reality, there is not much difference, and certainly, not enough to matter. What is important is how you expect to use your home. If you have heavy furniture or expect to travel from room to room often, a single story home is better (ignoring the basement). If privacy is an issue, then the two story gives more at the expense of accessibility. Another consideration is that stairways are very expensive hallways. They often are not simple to locate so that they give you the most value or convenience.
Seriously evaluate how you live and note that the views from the two story will likely be the nicer of the two designs. If that is important, consider that also.
Have fun,

Woody