Norway Rats in Phoenix, AZ
Rattus norvegicus
Norway rats burrow, breed fast, and spread disease. Learn what to look for and how Antidote Pest Solutions eliminates them at the source.
Notes: From a Phoenix, AZ Exterminator
Appearance
Norway rats are stocky and heavy-bodied, typically 7–9.5 inches long with a shorter, thick tail. Their fur is coarse and brownish-gray, and unlike roof rats, their ears are small and close to the head.
Harborage
Norway rats are ground-dwellers and burrowers, preferring crawl spaces, woodpiles, gaps under concrete slabs, and burrows along foundations and irrigation lines. They're strong swimmers, too — sewer and drainage systems are common highways for this species.
Are They Dangerous?
Norway rats are one of the most significant urban disease vectors in the country, capable of spreading hantavirus, salmonella, and rat-bite fever. Their constant gnawing also damages foundations, irrigation lines, and stored belongings.
Treatment
Because Norway rats burrow and reproduce quickly (a single female can produce dozens of offspring a year), a partial fix rarely holds. Antidote Pest Solutions traps existing rats, seals burrow access points, and builds a long-term exclusion plan — **schedule your free quote** today.
Prevention Tips
Seal gaps larger than a half-inch around the foundation, utility lines, and vents
Trim vegetation and remove debris piles away from the home
Store trash in secured, rodent-proof containers
Eliminate standing water and fix irrigation leaks
Keep pet food and birdseed in sealed containers
Inspect crawl spaces, sheds, and woodpiles for burrow entrances
Behavioral Notes
Norway rats are strong swimmers capable of treading water for days and swimming through sewer lines, which is why they can appear indoors via drains and toilets.
Their teeth grow continuously throughout their life, forcing them to gnaw constantly on hard materials — including wiring, pipes, and concrete — just to keep their teeth worn down.
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Frequently asked questions
