Portland-based residential designer and builder, Walt Quade came up with Small Home Oregon. I think his small house designs are lovely, and you can purchase small home plans or simply order them direct.
a small 325 square feet cottage or guest house, which you can use as a cabin in the mountains or at the beach, office or creative space, or as a guest house or retreat in your own back yard, will cost you around $40,000.
you can also go for the small studio, master or double bedroom suite or even an open shop, whether your into metal or woodworking, ceramics or artwork.
I specifically liked the 975 square feet multi-unit configuration, where you can easily add small units together. You can leave a space for a breeze-way, add decks or porches when and where you need them, and even position each space in any configuration.
Small Home Oregon: Small cottage or guest house plans
Small Home Oregon: Small studio plans
Small Home Oregon: Small master bedroom suite plans
Small Home Oregon: Small open shop plans