It comes and goes depending on construction:

- https://www.sfgate.com/bayarea/article/north-beach-rats-may-...

- https://hoodline.com/2015/10/rise-in-rat-sightings-reported-...

- https://old.reddit.com/r/sanfrancisco/comments/j2n2ch/absent...

I had some come inside due to that last one but I didn't let them last long lol