Maison is House ( note similarity to Mansion) I think the usage is about the same. Certain words in English have house in them but are more accurately Rooms - the Wheelhouse of a ship, for example....
To say "My house is your house" In Hebrew, you would say: (English transliteration)
"Ha Bayit Sheli, Ze Habyit Shelach/Shelcha"
If your saying this to a girl, you say "Shelach"
if your...