I avoid using slabs as their material priority may interfere with the landscaping. I prefer zones over morphs since it gives me the option to show the zone stamp in plan view, eg. to show the street address in plan view. Does that answer your question?
Yes, it does. I know that is not the optimal solution, but it seems like the best option for you right now is to create a custom object with GDL, since it looks like a very specific request; but I might be wrong and there is a bigger need of this feature in the AC community.