Provincial Pest Control

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Key Takeaways

  • Identifying rat infestations involves recognizing signs like droppings, gnawing damage, grease marks, nests, strange noises, footprints, and chewed food packages.
  • Effective measures for dealing with rat infestations include sanitation, exclusion by sealing entry points, setting up traps, and seeking professional pest control services if necessary.
  • Regular monitoring is essential after rat eradication efforts to detect any signs of recurrence, prompting prompt action if needed.
  • Prevention plays a crucial role in avoiding future rat infestations, emphasizing good sanitation practices, regular inspection for entry points, and ongoing monitoring.
  • Safety should be a priority when dealing with rat infestations, and seeking professional help is advisable for severe cases or if unsure about effective eradication methods.


Rats are common pests that can cause significant damage to your property and pose health risks to you and your family. If you suspect a rat infestation in your home, it’s crucial to identify the signs early and promptly eliminate the problem. This article will explore how to identify a rat infestation in your house and what steps you can take to effectively deal with it.

Signs of Rat Infestation

Rats are nocturnal creatures typically active at night, making it challenging to spot them directly. However, several signs can indicate a rat infestation in your home. Here are some key indicators to watch out for:

  1. Droppings: Rat droppings are way bigger than rice size, dark, and pellet-like in shape. You may find them in areas where rats are active, such as along walls, in cupboards, or near food sources, under stairs from the main floor to basement. Fresh droppings are moist, shiny, while older ones may be dry and crumbly, not shiny. 
  2. Gnawing Damage: Rats have strong teeth that grow continuously and will gnaw on various materials to keep them trimmed down. Look for gnaw marks on wood, plastic, wires, and other objects in your home, especially in hidden or hard-to-reach areas.
  3. Grease Marks: Rats leave greasy streaks on surfaces they frequently rub against, such as walls, baseboards, and floorboards. These marks are often dark and may be accompanied by dirt or debris.
  4. Nests: Rats build nests in warm, hidden areas of your home, such as in wall voids, attics, or basements. Nests are typically made of shredded materials like paper, fabric, or insulation and may resemble a messy ball.
  5. Strange Noises: Rats are known to make scratching, squeaking, or scurrying sounds, especially at night when they are most active. Listen for these noises in your walls, ceilings, or floors, and pay attention to any unusual sounds you cannot identify.
  6. Footprints: Rats may leave footprints in dusty or muddy areas of your home. Look for small tracks with four toes on the front, five on the hind feet, and a long tail drag mark.
  7. Chewed Food Packages: Rats are notorious for raiding food sources in your pantry or kitchen. Look for chewed holes or packaging damage on food containers, bags, or boxes.

If you notice any of these signs in your home, it’s crucial to take action promptly to prevent the rat infestation from getting worse.

Dealing with Rat Infestation

Once you have identified a rat infestation, it’s essential to eliminate the problem effectively. Here are some recommended measures you can take:

  1. Sanitation: Keep your home clean and tidy, and eliminate any potential food or water sources that may attract rats. Store food in sealed containers, clean up spills promptly, and ensure garbage is properly sealed and disposed of. Feeding birds or squirrels will also attract rats and mice to your backyard. 
  2. Exclusion: Seal off any potential entry points that rats may use to access your home. Inspect your home for gaps, cracks, holes, and openings in walls, roofs, doors, and windows, and seal them with steel wool, caulk, or other appropriate materials. Note: Seal holes before you have rats, not after. Sealing holes after you having rats, will cause other problems. 
  3. Traps: Set up rat traps where you have identified rat activity. Various types of traps are available, such as snap traps, glue traps, or live traps. Follow the manufacturer’s instructions on how to set up and use traps safely.
  4. Professional Pest Control: If you have a severe rat infestation or are certain you cannot effectively deal with the rat problem, it’s best to seek professional pest control services. Pest control professionals have the knowledge, experience, and tools to effectively eliminate rat infestations and prevent future occurrences.
  5. Monitoring: After taking measures to eradicate rats from your home, it’s important to monitor the situation regularly. Keep an eye out for any new signs of rat activity, such as droppings, gnawing damage, or unusual noises, and take prompt action if you suspect a recurrence of the infestation.
  6. Prevention: Once you have successfully eliminated a rat infestation, taking preventive measures is crucial to avoid future problems. Continue to practice good sanitation by keeping your home clean and eliminating food and water sources that may attract rats. Regularly inspect and seal off any potential entry points, and consider placing rat traps in strategic areas as a preventive measure.

In conclusion, identifying a rat infestation in your home is important to take prompt action to eliminate the problem. Look for signs such as droppings, gnawing damage, grease marks, nests, strange noises, footprints, and chewed food packages.

Take steps to eliminate rats from your home, such as sanitation, exclusion, trapping, and seeking professional pest control services if necessary. Regular monitoring and prevention are key to avoiding future rat infestations. Always prioritize safety when dealing with rats, and seek professional help.


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