Foster City has a pretty hefty levee [1]. Palo Alto is building a "horizontal levee" [2]. Looks like Redwood Shores will be raising theirs [3].

This work has to be done for good reason, but looks like they're on it?

[1] https://fostercitylevee.org/ [2] https://www.sfchronicle.com/climate/article/palo-alto-sea-le... [3] https://www.smdailyjournal.com/news/local/new-200m-levee-upg...