Rodents often get under San Diego homes through torn crawl-space covers, open vents, gaps under doors, loose flashing

https://landenmuog401.theburnward.com/common-entry-points-rodents-use-to-get-under-san-diego-homes-1

Rodents often get under San Diego homes through torn crawl-space covers, open vents, gaps under doors, loose flashing, and openings where utility or A/C lines enter exterior walls.