Open the cheat box by pressing down Ctrl, Shift and C

Code - Effect

changelotzoning [residential | community | apartmentbase] - Before rezoning a lot using this cheat, make sure there are no Sims currently living in the lot. To use this cheat, enter the lot that you would like.

clearLotClassValue - Clears any "changeLotClassification" cheat used on the lot and sets the lot class to the correct calculated value.

boolProp aptBaseLotSpecificToolsDisabled false - Makes all building tools available for building apartments.

printLotClass - Prints the lot's class (low, middle, or high) as well as the corresponding numerical lot class value.

changeLotClassification [low | middle | high] - This changes the lot classification of the lot. The lot will remain this classification until the following cheat is used.