Whenever I move around a section of a building or the whole building on a lot, the entire building is highlighted in the pink outline like when you're building a residential rental or small business....
Ideas
Is this with or without mods/cc ? What platform are you playing on ?
Please always provide this information so not to delay a bug report getting to Maxis. You can find more info about the adding thread tags to your post here: General Information About The Bug Reports Forum | EA Forums - 4965007
Please also post a picture of what you are seeing.