We all know what tiny homes are, but have you ever heard of a skinny home? What originally began as plans to construct a single-family residence in Washington, DC, suddenly shrank when the city unexpectedly changed its zoning laws. “The developer bought the property, thinking it could be a four-story home that was 15 feet wide; but the city changed the zoning laws, so he had to build this skinny home in its place,” says listing agent Jennifer Young, of Keller Williams Chantilly Ventures. “It had to be scaled down to almost half the width. This home is now just...