Did you Google Concrete homes designs . I just did and there seems to be lots of places to get info.

The needs of the owner and the site should be the prominent drivers of a house's design, not necessarily the materials of which the house is constructed.

I agree but if I was to build right now I would be looking at more of a commercial material building so concrete and steel would be my go to I see no reason for the site to dictate material choice . Of course a home should be planned for the owner but that has nothing to do with wanting a particular material . I also love shipping container homes and have seen many that are perfect for the site and for the owner.

Many architects can design a house made of concrete.

Frank Lloyd Wright's "A Fireproof House for $5,000" inspired the design of many Prairie Style homes, including the Stockman House in in Mason City, Iowa.

I do agree that when it comes right down to it you will need an achitect so maybe explain a bit more about what it is you want from the designs.

I am (still) finishing our concrete home. Get an architect - there are a million details that are almost always designed for normal construction. Your subs will be KEY.

Seach for....Dwell magazine/concrete houses. Lots of ideas there.