Live Edge in West Oakland, CA has an interesting source of wood:

LE uses urban trees which are removed for many reasons: disease, storm damage, danger of falling, or to clear the way for a construction project. We regularly accept usable raw logs from local arborists and salvage some of these trees.

The company builds furniture and prefab houses.

The building process is based on an 8ft. modular plan...The kit is comprised of posts, beams, floor panels, wall panels, doors, roof and ceiling components. It is a finite set of parts which can be arranged in an infinite number of ways. Live Edge produces all the parts for a kit home in our shop, adapted to each design, to be assembled on site.

Check out their picture gallery.

Hat tips: Apartment Therapy on March 26, 2009 and Jetson Green on March 27, 2009.