Norway Rats in the U.S.

Despite their international-sounding name, Norway rats are extremely common throughout the United States. They are what most people think of when visualizing a rat: sto cky rodents 12 to 18 inches long that weigh one pound and are brown to gray in color. The pests are found in every state.

How Norway Rats Get in the House

It is not unusual to find Norway rats in houses, as they have many skills at their disposal that make it easy to access a residence. These pests can gain entry by:

  • Climbing exterior walls
  • Jumping from trees
  • Chewing their way through with their sharp teeth

Contamination

Having a Norway rat in the house can cause problems in multiple ways. It will contaminate groceries and pet food, which is a health hazard. Urine and droppings accumulate behind walls and in attics, fouling air quality and damaging wood.

Damage

Additionally, the pests have destructive habits that can cause structural damage, including gnawing on wiring and plumbing. Their chewing also damages wood, insulation, and siding. Norway rats gather in yards and can weaken foundations with their digging before they move into the house.

Prevention

For all these reasons and more, it is important to assert early control over infestations. When allowed to persist, rapid breeding can cause populations to swell. The professionals at Critter Control can remove Norway rats in the house and keep them from coming back.

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Christa O’Haver
23 October 2026
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Critter control has amazing quality service, timely responses and great staff!! I’m so pleased with our choice to have critter control service our home! Thank you!
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Lee Ann Chinn
23 October 2026
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Scott was able to trap the two animals I had at my place…a raccoon and a wood chuck under my deck. Real glad I called u instead of trying to do something myself!!!!
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Kyle Carney
23 October 2026
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I use Critter Control now for a couple of years and the service has been exceptional. Jarod Is our service technician and he is top-notch I recommend Critter Control highly!
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Becky Tice
23 October 2026
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We live in the country and Critter Control confirmed that we had some rats burrowing underneath our landscaping near our pool. I was mortified. Critter Control set up bait boxes and they took care of the problem! They do a great job of checking the boxes and replacing the bait, and they always inform us as to when they will be arriving.
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23 October 2026
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They removed a sick squirrel quickly and efficiently.
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vee kay
23 October 2026
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I wish to compliment Jared and Drew in doing an excellent job in removing bats from our attic. Both were very professional, competitent and efficient. It is a great relief to have the issue resolved.
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John Hubbard
23 October 2026
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It’s been a few months since they set up a one way gate to let the attic visitors out. When the unwanted guests left, Critter Control repaired repaired the wind damaged area that allowed the entry. Now they service the traps regularly. It’s great.
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Jeff sink
22 October 2026
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Critter Control had been great to help us with our recent mouse issue. We no longer see traces inside the house of mice.
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Maryhmuh
22 October 2026
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Charlene Skidmore
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