Is Chez du Cezanne the proper way to say the home of Cezanne in French?

"La maison de Cézane" is Cézanne's house or home. Je vais chez Cézanne (without the "du") is "I'm going to Cézanne's (place)".

"Chez du (name)" isn't correct. That would read "at some (name) place", as in "some water" or "some bread".