Need American Houses

Hello, I have to make some sort of scene for an assignment for my level design module and I decided to go for an american neighbourhood.
The problem with this is that I can’t find any cheap/free models similar to these ones.

http://c8.alamy.com/comp/EARX3N/american-flags-hang-from-the-front-porches-in-a-neighborhood-of-upscale-EARX3N.jpg
http://c8.alamy.com/comp/EBH6RX/an-american-flag-hangs-from-a-front-porch-in-a-neighborhood-of-victorian-EBH6RX.jpg
http://c8.alamy.com/comp/EAEYDG/an-american-flag-hangs-from-a-front-porch-in-a-neighborhood-of-victorian-EAEYDG.jpg