These are the houses that are available to all players.
These are the houses that can be purchased from the in-game store using Points.
These are the houses that are only purchasable through bundles which require using real life currency. (actual money)
1 The Captain's Quarters house may be purchased directly from the in-game shop for $5.00 USD. Players may also randomly come across it for a discounted price as part of the daily bundle specials.