Rodents can sneak into San Diego rooflines through small openings around eaves, attic vents, crawl-space vents

https://daltonnzom925.talesignal.com/posts/why-old-attic-insulation-ruins-your-indoor-air-quality-2

Rodents can sneak into San Diego rooflines through small openings around eaves, attic vents, crawl-space vents, and utility entry points that are not properly sealed.