Are upper floors of a house out of reach for rats and mice?

No, in general. I live in 9th floor and have seen many rats. They usually come up by claiming waterlines/ toilet pipes. They are intelligent and come where food is easily available. read more

I live in 9th floor and have seen many rats. They usually come up by claiming waterlines/ toilet pipes. They are intelligent and come where food is easily available. read more

Rats and mice many times display an almost magical ability to get into a space that provides food, water, or shelter. They will crawl through tiny holes, chew through an amazing array of materials (especially rats), climb across fences, wires, roofs, window sills- you name it. However, they are not a Gecko (or Spider-Man for that matter). read more

Gnaw marks in wood structures, floor joists, wall studs and corners; 2” rough holes in cartons and boxes; Habitat: Roof rats inhabit coastal cities and the swampy areas of the Southeast. As their name implies, roof rats generally occupy the upper levels of a home or office building, nesting in ceilings, walls or attics. read more