The next deadline -- in 2025 -- is for soft story buildings, which account for the vast majority of Santa Monica's structures and face the risk of collapsing because the first floor overhangs a garage.
Read More: https://www.surfsantamonica.com/ssm_site/the_lookout/news/News-2022/March-2022/03_22_2022_City_Poised_to_Enforce_Seismic_Retrofit_Law.html