I recently judged an architecture competition organized by the Southern California Chapter of the Institute for Classical Architecture/Classical America and Habitat for Humanity in Los Angeles. The topic was how to design four houses on a very skinny (typical for LA) ¼-acre lot. The challenge for the architects was not only to accommodate parked cars—this is California, after all—but also how to fulfil home-buyers’ demands in 3-bedroom houses that were about 1,100 square feet. That’s more than 50 percent smaller than the average new home being built this year. Smaller houses are not only more affordable (they not only cost less to build, but more importantly land costs are reduced), they also raise the overall urban density, which is good for all of us.