The “first ring” suburbs around Boston are getting pricier,not falling apart.
Examples-—Brookline,Newton,and Cambridge.
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I live in Minneapolis.
Many (not all) of the first ring suburbs are scarier than the downtown areas now. While the new developments farther out are very expensive.
It’s like a slow moving wave, with peaks and valleys regenerating from the center.
Of course there are pockets of exceptions with neighborhoods that fight to keep their homes nice, keep crime at bay, and schools focused on teaching rather than babysitting.