The ordinance will apply to soft story apartment buildings built before 1991. The main reason they are doing this is because, “If we don’t increase the integrity of the buildings, not only will we have loss of life, but massive displacement,” Kalb said. Oakland has about 2,810 buildings that would need to be retrofitted.

For more info, please read the original article by San Francisco Chronicle:
https://www.sfchronicle.com/bayarea/article/Oakland-may-require-landlords-to-retrofit-13452049.php#photo-16627146