Why are Ants Coming into My House?

Most people will experience ants crawling around their homes. This nuisance pest can be frustrating to exterminate completely, and you might wonder why they’ve decided to invade your living space. Here are three main reasons:

  • Ants are attracted to food sources in your house, such as crumbs or spills, and enter in search of nourishment.
  • Ants may be drawn inside your house if there are water sources available, such as leaky pipes or moist areas.
  • Ants can enter your house through small cracks or openings, exploiting even the tiniest entry points they can find.

Finding the Point of Entry

Ants invading your home can be a major headache. One key to effectively combatting an ant infestation is to locate the point of entry or spots where the ants are gaining access to your home. You can discover the entry point by watching the ants closely. Look for any visible trails or lines of ants moving in a particular direction. Follow this trail to the exit point and see if you notice any cracks or crevices in that area. 

As you search your home for ants, remember that they are attracted to warm environments. That is why you often find them in homes during summer. Therefore, you should look for ants in areas with a consistent temperature, such as inside walls or near window frames.

Once you have found the entry point, you must seal it completely. Fill any cracks or gaps with caulk or sealant to prevent ants from reentering your home. Consider using weather stripping or door sweeps to close any gaps around doors and windows as well.

Finally, it’s worth noting that once ants have established a trail to your home, they will leave a pheromone trail that attracts more ants to follow. To break the cycle of attraction, you should remove any trails as soon as you notice them by wiping down surfaces to remove the scent trails. You should also try ant baits or other pest control methods.

If you have tried these over-the-counter methods and are still struggling with an ant problem, it may be time to call the professionals. A pest control service can help identify the source of the infestation and provide effective treatment options. Remember, acting quickly and proactively is the key to combating ant infestations.

Typical Entry Points for Ants

Ants are tiny creatures that are experts at infiltrating our homes, even when we believe we have sealed off every possible entrance. Knowing where to look for ant entry points is the key to keeping them out of your home. Below, we describe the typical entry points for ants. 

  • Cracks or gaps: One common way ants enter your home is through cracks or gaps in the walls or foundation. Ants are amazing at squeezing through even the smallest openings, so inspecting every nook and cranny is important. Look for gaps around your window, door frames, vents, and utility lines. 
  • Food sources: Another way ants can infiltrate your home is through food sources. If you eat food outside, it could attract ants. Then when you bring the food back inside, the ants come along for the ride. 
  • Water sources: Ants also seek water sources and may enter your home through plumbing or pipes. 

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Inspection of Potential Locations for Breaches or Openings

Ants are incredibly resourceful creatures and can find their way into your home through even the smallest spaces. Therefore, you must thoroughly inspect your home’s exterior and interior to identify all possible ways ants can enter your home.

Here are the steps to take when looking for breaches or openings. 

  • Step 1: Begin your inspection on the outside of your home. Start with the foundation and walls, looking for cracks, gaps, or other openings that ants could use to enter your home. Pay particular attention to areas around windows and doors and utility lines. Check the roofline and gutters for any openings.
  • Step 2: Next, move indoors, look for gaps or spaces around windows and doors, and check the thresholds. Be sure to examine each room’s walls and baseboards for gaps or cracks, especially in areas where water pipes enter the home.
  • Step 3: Pay special attention to the kitchen and pantry areas, as these are the most common areas where ants congregate. Check for food debris or crumbs on countertops or in cabinets. Also, look for pet food sources, as ants can quickly make a meal from a neglected pet dish.
  • Step 4: Finally, examine your yard, including trees and stumps, to look for the ants’ nesting sites and food sources, such as trash cans or compost piles. 

By conducting regular inspections of your home, you can identify and address any possible entrances for ants before they become a problem. Once you have identified the potential openings or breaches, you should seal them using caulk, sealant, or weatherstripping.  

Eliminating Access to Food Sources Inside the House

One of the main reasons ants are attracted to our homes is food. Ants are constantly on the hunt for food to bring back to their colonies, and if they find a potential food source, they will return to it until it is gone. Therefore, keeping your kitchen counters and floors clean is crucial to eliminating ants’ access to food sources. Even the tiniest crumbs can attract ants.

The following tips will help you keep ants out of your home for good. 

Keeping Kitchen Counters Clean and Free of Food Residue

Ants are attracted to food sources, and even a small crumb or spill can be enough to draw them in. Using these simple steps, you can ensure your kitchen counters remain spotless and ant-free.

  • Keep your kitchen clean: First and foremost, you must maintain a clean kitchen. Wipe down your counters regularly with a disinfectant cleaner to remove any bacteria or food particles. Clean up spills immediately, as even small bits of food can attract ants.
  • Clean kitchen counters: Be mindful of what you leave on your kitchen counters. Do not leave unwashed dishes, containers with food residue, or open food containers for more than a few hours. Store any leftover food in airtight containers, and clean all containers and dishes before returning them to the counter.
  • Dispose of food properly: Make sure your garbage can has a tight lid that can seal in any odors and keep ants out. Empty your trash frequently to prevent food waste from accumulating and attracting ants.
  • Use sealed containers: Additionally, it is a good idea to keep sweet foods, such as candy or honey, in sealed containers and away from the counter. 

Keeping your kitchen counters clean and food residue-free prevents ants from invading your home. Therefore, adopting good hygiene practices and being vigilant about proper food storage and disposal will ensure your kitchen remains an ant-free zone.

Storing Pet Food in Airtight Containers

Are you tired of opening your pet food bag only to find it crawling with ants? Ants are constantly searching for food sources. So, if you leave your pet’s food in the open, they will surely find it. That is why storing pet food in airtight containers is essential for preventing ant infestations.

Manufacturers design airtight containers to keep air and moisture out, essential for preserving the quality and freshness of your pet’s food. But beyond that, they also create a barrier that prevents ants and other pests from infiltrating the container and contaminating the food.

So, if you are tired of dealing with ants in your home and want to ensure that your pet’s food stays fresh and delicious, invest in high-quality airtight containers for their wet and dry food. Your pet – and home – will thank you.

Cleaning Pet Bowls Regularly

As a pet owner, you aim to keep your furry friend healthy and happy. One of the most crucial aspects of pet care is providing them with a clean and safe environment, including regularly cleaning their food and water bowls. Doing so will ensure they remain in good health and that your home remains free of ants. 

While it may seem simple, regularly cleaning your pet’s bowls can prevent a host of issues, including the following. 

  • Bacteria buildup: Your pet introduces bacteria to their food bowl every time they eat. Over time, this bacteria can grow and harm your pet’s health. 
  • Mold and mildew: An unwashed pet’s food bowl can become a breeding ground for mold and mildew. These fungi can cause significant health issues for your pet, including gastrointestinal problems and respiratory distress. 
  • Parasites and other pests: Many microscopic parasites attach themselves to leftover food in a pet’s bowl. Plus, leftover food in the bowl can attract several pests, such as ants. Regular bowl cleaning prevents your pet from contracting deadly diseases and protects your house from pests.
  • Foul odors: Unclean pet dishes quickly produce awful odors that are annoying. These strong smells may also attract pests like ants. Regular cleaning of the bowl helps eliminate odors and keeps ants away. 

Reducing Spills and Sweet/Sugary Foods on Countertops

Ants are naturally attracted to sweet and sugary foods, making them a common reason for ant infestations. When you leave sugar or sweet foods on countertops, ants can find it quickly. Then all they have to do is create a trail from the food source to their colony.

To prevent ants from entering your house, minimize the sweet and sugary foods and crumbs you leave on your countertops. The following tips can help you in this endeavor. 

  • Clean up spills immediately: Whenever spills occur, be sure to clean them up right away. Doing so will prevent ants from being attracted to your countertops.
  • Store sweet foods in airtight containers: You should always store sweet and sugary foods in airtight containers to prevent ants from detecting their scents.
  • Wipe down countertops regularly: By wiping down your countertops regularly, you will ensure that no crumbs of sugary substances remain on your countertops, eliminating the invitation for ants to come into your house.

It is important to remember that even the tiniest crumb can attract ants, so following the above steps can significantly reduce the chances of ant infestations in your home.

Removing Standing Water Around Home Exterior

But it is not just food that ants seek – they also need water to survive. Therefore, leaks or standing water can be a major draw for ants. Even a small amount of water can sustain an ant colony for a long time, so you must immediately clean up and fix leaks or spills. 

Additionally, removing standing water around your home can help prevent issues such as ant infestations, insect breeding, mold growth, foundation damage, and more. Here are some tips to help you remove standing water from your home’s exterior.

  • Step 1: Identify the source of the standing water. It may come from a damaged or clogged gutter, a leaky faucet, a broken pipe, or simply runoff from your roof. 
  • Step 2: Use a shovel or rake to create a slope away from your home’s foundation, directing water away from your house and preventing it from pooling around your home’s exterior.
  • Step 3: Consider installing a drainage system to divert larger areas of standing water. You may need to dig a trench, install a perforated pipe, or insert a French drain to collect and redirect water away from your home.
  • Step 4: Install a rain barrel or cistern to collect rainwater and use it to water your lawn or gardens.
  • Step 5: If all else fails, consider seeking professional help. A landscaping company or foundation specialist can assess the situation and provide recommendations based on your individual needs.

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Preventing Future Infestations

Ants are notoriously difficult to get rid of once they invade your home. Thankfully, you can take a few steps to prevent future infestations, including the following. 

  • Keep your home clean: Ants are attracted to food particles, you must keep your home clean and free from crumbs and spills. Clean your kitchen thoroughly and wipe down your countertops and floors regularly.
  • Store food properly: Ensure all food, including pet food, is stored in airtight containers. Pick up any leftover food after eating.
  • Seal entry points: Ants can enter your home through the smallest cracks. Seal entry points like windowsills and door frames with caulk or weatherstripping to prevent ants from gaining access.
  • Eliminate standing water: Just like humans, ants need water to survive. Fix leaky pipes or faucets and eliminate standing water around your home.
  • Use ant baits: Ant baits are an effective over-the-counter way of eliminating entire ant colonies. Place them in areas where you have seen ants and wait for the ants to take the bait back to the colony.
  • Hire a professional pest control company: If you have a major ant infestation, consider hiring a professional pest control company. They can inspect your home and provide targeted treatment to eliminate the ant problem.


Throughout this article, we have explored why ants may enter your home and the underlying motivations behind their behavior. You must understand this information to deter ants from entering your house. Above all, maintain cleanliness, seal entry points, and eliminate potential food sources. 

Following these tips can help you prevent future ant infestations and keep your home free from unwanted pests. Remember, an ounce of prevention is worth a pound of cure!

$50 Off Year Round Pest Control

Truly Nolen is a family-owned company with 85 years of experience providing the best pest control. If you’re not completely satisfied, you’ll get a full refund on your most recent service with our 100% money back guarantee.

Frequently Asked Questions

Why are ants coming into my house?

Ants are typically attracted to food sources, water, or potential nesting sites. Keeping your home clean, sealing entry points, and removing food and water sources can help deter ants from entering. Learn more about Ants

Are ants harmful to my health?

While most ants are not directly harmful to human health, some can bite or sting, causing discomfort and potential allergic reactions. Additionally, ants can contaminate food and surfaces, leading to foodborne illnesses. Learn More!

What are the signs of an ant infestation?

Signs of an ant infestation can include seeing ants trailing along surfaces, finding ant nests (which vary by species), discovering piles of discarded wings (often seen after mating flights), or noticing signs of damage to wood or other materials. Learn More!

Can ants cause structural damage to my house?

Certain ant species, like carpenter ants, can cause structural damage by tunneling through wood. While not as destructive as termites, carpenter ants can weaken wooden structures if left unchecked. Learn More!

When should I call a professional pest control company for ant control?

It’s recommended that you contact a professional if you have a severe or recurring ant infestation, if the infestation is causing significant damage, or if DIY methods have been unsuccessful. Truly Nolen professionals have the expertise and resources to effectively address ant infestations and provide long-term solutions. Learn More!