Start with a vacant lot and a very steep down-slope from the street, a building code which requires parking for two vehicles.

Move the typical ground floor of the house up on the roof as a carport.  The roof is also usable as deck space and has unobstructed views of the San Gabriel Mountains.

Inside, there's three bedrooms, two bathrooms, a kitchen and dining area, and a lounge, (1,405 sq ft) and located in Echo Park, Los Angeles.