Backyard home office in a kit.

I think this is a cool.  Backyard home offices in a kit.

I love all the windows and doors, but there's absolutely no wall space or room for bookcases, file cabinets, paper and supplies.

Home Office? It's in the Yard.

Nearly one in six Americans -- 20 million -- works from home at least once a week, according to the U.S. Chamber of Commerce, and over the last five years, the self-employed segment has grown from 6.4 percent to 7.4 percent of the American work force.

Cedarsheds' basic kits run $13,000 and include prefab materials to construct a sturdy 10-foot-by-12-foot office with a 9-foot-by-9-foot deck.

Although he admits the kits are a little pricey, Cheng argues they cost less than a room addition, don’t require contractors and can be assembled and ready for use in one to four days.