I'm sorry if this causes any confusion for anyone, but I have added notes to indicate if a lot came from an expansion, and that the lot is empty otherwise. I may go back and add them to the lists of empty lots eventually as well, but that would happen after I finish listing lots for all of the neighborhoods. I decided to list them as the expansion lot that was placed there rather than as empty lots.
Side Note: It was tricky to decide what to do about lots added to previous worlds by The Sims 3 team as new expansions come out. That is why I've included the 'Occupied by:' information. Players can also construct buildings and design interior layouts from scratch, then save their custom buildings and lots into the in-game library. A lot of times I also want to put the original families that owned the lots into those houses, but if there are a lot of houses it can be hard to remember which family went with which lot. But jotting down the info for all of the lot sizes is very dull, and is time-consuming. I really only like building houses if I'm inspired to, and these lists save me time. Click on the areas name to view detailed screenshots, lot galleries and more, or scroll down to.
Sometimes I will use an entire row of The Sims 3 residential homes from one of their neighborhoods/worlds in a custom world of my own. A Work-in-Progress Custom World for The Sims 3.
