Boston and the Bay Area is as stuck in time as the rust belt cities, entirely due to bad housing policy
Top large cities (min. 100k) by % of housing units built before 1939:
Buffalo, NY (61%)
St. Louis, MO (58%)
Providence, RI (55%)
Rochester, NY (54%)
New Bedford, MA (52%)
Cleveland, OH (49%)
Pittsburgh, PA (48%)
Cambridge, MA (47%)
Boston, MA (47%)
Berkeley, CA (46%)