The most common roof rat is the black rat. It has smooth hair, large ears, a pointy nose, and a tail longer than its body. While its body is black, its belly is gray. The Alexandrine rat appears gray, but its fur is agouti, meaning there is more than one color on each strand of hair. You may also see brown and yellow blends of fur. The fruit rat is agouti on its back but white on its belly.

No matter the subspecies, roof rats, including their tail, are usually no longer than 16 inches long.

Roof Rats vs. Other Rodents

Roof rats are frequent visitors to yards and homes across the country. Their bodies are seven or eight inches in length, though their bald, scaly tails add up to ten more inches.

Other identifying traits include:

  • their pointed noses
  • hairless ears
  • dark fur with light colored underbellies.


Similar rodents, such as the Norway rat and house mouse, are also commonly found in residential areas.

Are They on The Roof?

These rodents are arboreal, which means they enjoy living in trees. When foraging outdoors, roof rats prefer yards with fruit or nut-bearing trees. In homes, they can be found in attics, wall voids, and other elevated areas, including roofs. This sets them apart from their burrowing or nesting counterparts, who are more likely to be found in basements.

Disease & Damage

As roof rats scavenge for sustenance indoors, they contaminate food, resulting in costly waste. Like most other rodents, they carry diseases that can be spread to humans. Health concerns include salmonellosis and Hantavirus, as well as Lyme disease, which can be carried by infected ticks in the pests’ fur. Due to these possible risks, homeowners should rely on the professionals at Critter Control to identify and manage roof rat infestations.

Roof Rat Images

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Kyle Smart profile picture
Kyle Smart
4 September 2026
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Had some kind of gopher ruining my lawn. Reached out to Critter Control. Evan and Eric are awesome. Super responsive, they we're able to get to my house within a very reasonable timeframe. No more gopher(s). Should they return Evan/Critter Control will be my first call. I highly recommend these guys. If you're having any issues with small critters, give them a shout!
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Rebecca Hoopingarner
4 September 2026
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I would recommend this company. Polite and professional as well as friendly.
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Jill Melick
4 September 2026
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Sam removed a bat from inside my home, then did an inspection and found several issues that needed attention. He did an excellent job bat proofing my house. Great communication, I would highly recommend him!
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Terri Straka
4 September 2026
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Great service, quick response, answered all questions, and fantastic service. All quiet in the attic!!
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Contact Biggers
4 September 2026
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Excellent work thanks
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Marc Shore
4 September 2026
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On time and fixed my issue Communication was great
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Seth Van Dyke
4 September 2026
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I was very happy with the diagnosis and inspection of my property. I had them come out to treat for insects and spiders and they actually found a few spots on my home where birds had made their way in, they explained how they would clean out and cover the vent. They didn’t try to upsell me on anything either.
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Erik S
3 September 2026
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Great team, super responsive and respectful. They explained the process both over the phone and in person to ensure i was aligned with their processes.
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Joyce Truman
3 September 2026
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The technician was very knowledgeable and was able to catch the chipmunk within a 1/2 hour. He let him go out in the wooded area of our church. Job well done!
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Bethany Shinn
3 September 2026
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Kadyn went above and beyond to make sure my house was fully mouse proof. He was extremely detailed and knowledgeable. Gave me so much peace of mind and I'm truly grateful for all the modifications he made to my home!! This company is excellent and I highly recommend them!!
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