I don't mean a park or a few trees along the sidewalk, but just grass and shrubs, even a smallish lawn),etc.
I'll admit that the interiors of those new homes can be spacious, if lacking in the craftsmanship of the older urban homes. The thing about newer American housing is, from a European perspective, that it's incredibly spacious but also incredibly shoddily built. Or vice versa, as you prefer.
And being a Frankfurt city man I don't want need grass and shrubs, certainly no lawn, but I do want a few trees along the sidewalk.
Oh, and one more thing that hasn't been said: "clean", in housing environments, is a dirty word. To me personally, that is. I've never felt well in a city that didn't look at least a teeny bit dusty.