La Casa in Spanish – Rooms and parts of the house. “La casa” is how we say “the house” in Spanish. Have you ever heard the question ¿Cómo es tu casa? Well, this is a common question to ask what your house is like in Spanish. It is always good to know how to describe rooms in Spanish and why not some parts of the house. This picture is part of a Spanish lessonfor you to learn how to describe yours.