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Roof Rats

What are roof rats and why are they a nuisance?


Roof rats were first discovered in east Phoenix Arcadia neighborhoods in 2002. They are not native to Arizona and may have been transported to Maricopa County from one of our neighboring coastal states. Roof rats can carry disease and are known to be destructive, gnawing through wiring and destroying citrus. They are generally active at night and during the spring months.

If you would like to do more research on roof rats, visit the University of Arizona Cooperative Extension website by clicking here.

Who do I notify if I think I have roof rats?

Maricopa County Vector Control has a complaint line and Web Site for information and reporting purposes should you believe you have roof rats. The County can help you determine if you have a roof rat problem. Call the Maricopa County Environmental Complaint Line at 602-506-6616 or log your complaint on their website.

What can I do to get rid of them?

Similar to controlling other household pests, you may want to work with your pest control company on removal. Practical information and tips are available on the Maricopa County Environmental Services Vector Control and on the Arcadia Neighbor to Neighbor websites.

What can I do to prevent roof rats?

The experts advise that the most important immediate step is the removal and control of potential food sources including citrus and other fruit, pet and bird food, and garbage. They indicate that the long-term solution is the combination of a xeriscaped (low-water-use) and citrus-free yard. Residents can also work with pest control companies on prevention measures.

Practical information and tips are available on the Maricopa County Web Site at Maricopa County Vector Control and on the Arcadia Neighbor to Neighbor websites.

Contact Us

The city also works with neighborhood groups, such as Block Watch, to provide education and coordinate special clean ups. If you have questions, contact our Customer Contact Center at 602-262-7251or email us.



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