Moles may seem like harmless little creatures, but when they start tunneling under your house, they can cause significant damage to your property. From destabilizing foundations to ruining your landscaping, these small mammals can create big problems. If you’ve ever wondered, “Can moles get under your house?” the answer is
Understanding Moles and Their Behavior
To effectively prevent moles from entering your house, it’s essential first to understand their behavior. These creatures are fascinating, but their habits can cause significant damage to your property.
What Are Moles?
Moles are small, burrowing mammals that belong to the family Talpidae. They are known for their velvety fur, pointed snouts, and large, paddle-like front paws, which are designed for digging. While they are often mistaken for rodents, moles are insectivores, meaning their diet primarily consists of insects and other small invertebrates.
The most common species of moles found near homes in North America include:
- Eastern Mole (Scalopus aquaticus): Found in the eastern United States, this species is the most widespread.
- Star-Nosed Mole (Condylura cristata): Known for its unique star-shaped nose, this species is common in wet, marshy areas.
- Townsend’s Mole (Scapanus townsendii): Found in the Pacific Northwest, this is the largest mole species in North America.
Why Do Moles Tunnel Underground?
Moles are natural diggers, and their tunneling serves two primary purposes:
- Searching for Food: Moles feed on earthworms, grubs, and other soil-dwelling insects. Their tunnels serve as traps, enabling them to catch prey with ease.
- Shelter: Moles create complex underground burrow systems to live, sleep, and raise their young.
Can Moles Get Under Your House?
Yes, moles can burrow under your house. They are attracted to the loose, moist soil often found near foundations and crawl spaces. This soil is easy for them to dig through, and it may also contain a rich supply of insects. Once moles start tunneling under your home, they can cause structural issues and disrupt the stability of your foundation.
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Signs of Mole Activity Around Your Home
If you suspect moles are active near your house, look for these telltale signs:
- Molehills: Small mounds of soil pushed to the surface.
- Surface Tunnels: Raised ridges in your lawn or garden.
- Soil Disruption: Uneven or loose soil in your yard.
By recognizing these signs early, you can take steps to prevent further damage.
Risks of Moles Getting Under Your House
While moles may not directly attack your home, their tunneling behavior can lead to several serious problems. Let’s take a closer look at the risks.
Foundation Instability
Moles can weaken the soil beneath your foundation by creating extensive tunnel networks. Over time, this can lead to:
- Soil Erosion: The removal of soil from under your foundation, causing it to shift or settle unevenly.
- Cracks in the Foundation: As the soil shifts, your foundation may develop cracks, leading to costly repairs.
Landscaping Damage
Moles are notorious for ruining lawns and gardens. Their tunnels can:
- Uproot plants and flowers.
- Create unsightly ridges and holes in your yard.
- Damage the root systems of trees and shrubs.
Hazards from Collapsed Tunnels
Mole tunnels can collapse, creating sinkholes or uneven ground. This poses a risk to:
- People: Tripping hazards for children and adults.
- Pets: Injuries from stepping into collapsed tunnels.
Moisture Problems
Mole tunnels can disrupt the natural drainage of your yard, causing water to pool near your foundation. This can result in:
- Basement Flooding: Increased moisture levels around your home.
- Mold Growth: Damp conditions that encourage mold and mildew.
Ignoring mole activity can lead to escalating damage and expensive repairs. That’s why prevention is key.
How to Prevent Moles from Getting Under Your House
Now that you understand the risks let’s explore the most effective ways to prevent moles from burrowing under your home. A combination of strategies works best, so consider implementing multiple methods.
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Remove Food Sources
Moles are attracted to areas with abundant food, particularly grubs and insects. By reducing their food supply, you can make your yard less appealing.
- Beneficial Nematodes: These microscopic organisms feed on grubs and other soil pests, naturally reducing their population.
- Milky Spore Bacteria: This organic treatment targets Japanese beetle larvae, a favorite food of moles.
- Insecticides: Apply insecticides in early spring to control grub populations. Be sure to choose products that are safe for your lawn and garden.
Use Natural and Chemical Repellents
Repellents can help deter moles without harming them.
- Castor Oil-Based Repellents: These products upset a mole’s digestion and make the soil unappealing. Apply them around the perimeter of your home.
- Mole-Repellent Plants: Plant flowers like daffodils, marigolds, and alliums around your house. These plants naturally repel moles.
- Home Remedies: Sprinkle powdered red pepper or tobacco in mole tunnels. You can also use pinwheels to create vibrations that moles dislike.
Install Physical Barriers
Physical barriers are one of the most effective ways to keep moles out.
Barrier TypeDescription
Wire Mesh Fences: Install galvanized hardware cloth at least 24 inches deep and 6 inches above ground level.
Gravel Trenches: Dig a trench around your foundation and fill it with gravel to deter digging.
Ultrasonic and Sonic Repellents
Electronic devices, such as sonic spikes, emit vibrations and sounds that drive moles away. These are easy to install and safe for pets and children.
Employ Domestic Pets
Dogs and cats can be natural deterrents for moles. Their hunting instincts can help keep moles at bay.
How to Get Rid of Moles if They Are Already Under Your House
If moles have already made their way under your house, it’s essential to act quickly.
Trapping Methods
- Types of Traps: Scissor traps, harpoon traps, and tunnel traps are effective for catching moles.
- Placement: Set traps in active tunnels for the best results.
Professional Mole Removal Services
If DIY methods don’t work, consider hiring a professional. Experts can assess the situation and utilize advanced techniques to remove moles safely.
Maintenance and Monitoring
Prevention doesn’t stop once the moles are gone. Regular maintenance is crucial to keep them from returning.
- Inspect Your Yard: Look for new signs of mole activity.
- Maintain Barriers: Check fences and trenches for damage.
- Seasonal Treatments: Reapply repellents and insecticides as needed.
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