Why Are Ants Coming Out of From My Kitchen Sink?

Ants are opportunistic feeders. They wander around looking for food sources.

The tiny pests are natural cleaning agents, but they are also a nuisance for most homeowners as they spoil food in the kitchen.

In this blog post, you will learn about the main reasons ants come out of the kitchen sink.

In addition, you will learn about a few effective tips to eliminate these tiny pests for good.

Understanding Ant Behavior

Ants are social insects that live in groups called ant colonies. They communicate with each other primarily through scent trails, which are made up of pheromones. These pheromone trails help ants navigate and find food sources.

When ants discover a food source, they lay down a pheromone trail to lead other ants from the colony to the food. That’s why you may notice a line of ants in your kitchen.

It’s also common for food particles and grease to accumulate around your sink, which can attract ants.

To control ant behavior in your kitchen, try to eliminate their access to food and water sources. Make sure to clean your sink regularly, fix any leaky pipes, and properly seal any cracks or gaps with caulk.

Top Reasons for Ant Coming Out of the Kitchen Sink

Let’s have a look at some of the reasons ants may be coming out from your kitchen sink:

1. Food Source

You may find ants around the kitchen sink as they forage for food.

A dirty kitchen sink contains grease and food particles that attract tiny pests.

They are attracted by chemical odors that emanate from the dirty kitchen sink.

2. Moisture

Some ant species such as the moisture ants seek moisture to build colonies.

They tend to congregate and form nests near the source of moisture. If you see ants coming out of the kitchen sink in large numbers, they may have formed a nest around the sink.

The cool and moist environment as well as the food particles stuck in the disposal unit of the sink creates the perfect breeding ground for ants.

3. Entry Point

The kitchen sink serves as an entry point for ants. They may travel through the plumbing to reach your home.

You may see them coming out of the kitchen as they march towards the food sources inside the kitchen.

Now that you know why ants are coming out of the kitchen sink, let’s find out ways you can eliminate the little pests from your kitchen sink.

How to Address the Ant Problem in the Kitchen Sink?

Now that we know some of the reasons for ants coming from your sink, let’s have a look at some ways you can use to prevent it.

1. Eliminate the Source

Ants are organized creatures that follow a pattern. They leave a trail that point to their source and destination.

You should look at the trail to see where the ants are going from or coming to the kitchen sink.

It could be that the ants may be coming from the leaks in the wall or floor.

To get rid of the ants, you must eliminate the trail. Getting rid of the trail once you find them is important otherwise the ants may build a colony that will be difficult to get rid of.

Consider sprinkling some cornmeal on the trail to eliminate ants in the sink. You can also use an ant repellent to eliminate the trail.

TERRO T300B Liquid Ant Killer, 12 Bait Stations

In addition, you should plug the cracks and crevices in the walls around the kitchen using a sealant.

2. Get Rid of the Colony

You should find out what is attracting ants to your kitchen sink. This is important as cutting the food source will also help you get rid of the ants.

Ants form a colony near the sources of food. This makes them easy to feed the colony.

By eliminating the source of food, you can get rid of the colony.

But how can you eliminate the colony?

Find out any leaks and drips in the sink. Fixing the plumbing line may help in eliminating ants from the kitchen.

Another effective tip to disinfect and get rid of the colony is to sweep the floor using a disinfecting cleaner. 

Here are the things you need to prepare an effective disinfecting cleaner.


Mix about half vinegar solution and half water in a spray bottle.

Spray the disinfectant solution on the kitchen floor and countertop near the sink. You must target areas where you have earlier seen the ant trail.

3. Clean Areas Near the Sink

Cleaning the areas around the sink will also help in eliminating ants from the kitchen sink. Remember that scrubbing the kitchen sink won’t be enough.

You need to thoroughly clean the plumbing line as well.

Pour baking soda and vinegar solution down the sink. Once the water stops fizzing, you should pour boiling water to eliminate the ant colony.

4. Keep Garbage Disposal Clean

Do you have a garbage disposal in the kitchen sink? You must take out the trash daily to prevent any infestation.

Food items in the garbage disposal attract pests to make a nest in the kitchen sink.

Put ice cubes down the drain to eliminate any ant colony. You should also take out the trash and avoid letting it sit for a long time.

This is important as the odor becomes stronger over time that attracts ants. You must also rinse out the garbage can with soap regularly. 

5. Don’t Leave Dirty Dishes Overnight

Dirty dishes also attract pests to the kitchen sink. They will scavenge the dishes for leftover food particles.

To prevent ants from making a colony in the sink, you should not leave the dishes in the sink overnight. It is important to do the dishes on the same day.

Cleaning the dishes will remove the pheromone trails that are left by the ants. As a result, the ants are less likely to congregate in the sink.

6. Place Pet Food Away from the Sink

Ants are attracted by the protein and sugar in pet food. So, you must not put pet food near the sink or foundation wall.

This is important otherwise the ants will spoil your pet’s food. Moreover, putting pet food near the sink will attract the ants to make a colony near the source of food.

You should put the feeding bowl in the center of the room. Put the dish containing pet food inside a larger dish filled with water.

This will prevent the ants from getting to the pet food. In addition, you should discard the pet food each night.

7. Seal Cracks in Walls and Windows

Cracks in walls and windows near the kitchen sink serve as an entry point for the ants.

You should seal the cracks to block the entry point. Use sealants to cover all cracks in the kitchen.

Moreover, you should also coat the frames of the windows with a protective varnish.

8. Use Ant Baits

Ant baits are recommended to get rid of an ant colony in the kitchen sink. The trap will lure the ants out of the nest.

TERRO T300B Liquid Ant Killer, 12 Bait Stations

Ants are social and share everything with the colony. So, they will bring the poisoned bait back to the colony.

Using ant baits will help in getting rid of ants from the kitchen sink.

Borax Bait

Borax and peanut butter mixture is effective ant bait. The peanut butter will attract the ant while the borax will kill them.

To prepare the bait, you should mix one-quarter borax with three-quarter peanut butter.

Solid sugar bait is effective bait. You should mix one-quarter borax with three-quarter sugar.

You can also use liquid sugar such as syrup or honey instead of peanut butter or sugar.

Any sugary substance will do as ants have a sweet tooth. They can’t resist sweet food items.

Apply the bait to the ant trails. The ant will take the bait to the colony that will eliminate the tiny creatures from your kitchen.

Essential Oils Bait

Essential oil baits are also effective in getting rid of ant infestation from the kitchen.

Tea tree and peppermint oil are effective and affordable bait that you can use to get rid of ant infestation.

Just spray the mixture on the sink. The mixture will instantly kill the ant. You should reapply the mixture after a couple of weeks.

To prepare the essential oil ant bait, you should mix about 20 drops of tea tree and peppermint oil in a spray bottle.

Next, you should add about a half teaspoon of cayenne pepper powder and eight ounces o water. Mix the solution until the cayenne pepper dissolves in the solution.

You can use a cotton ball to douse the mixture in the area with an ant infestation.

Place the cotton ball near the kitchen sink for the best results.

9. Remove Wood Items Near the Sink

Wood items absorb moisture. And ants will utilize every single bit of water.

They are known to chew onto wooden tools including chopping boards.

To avoid ants infesting the kitchen sink, you should keep wooden items away from the sink.

10. Get Help of an Ant Exterminator

You should not hesitate from getting the help of an ant exterminator if required.

Professional pest control agencies can quickly identify the source of ant infestation.

Consider contacting a pest control firm that uses natural and organic products that do not do any harm to the environment.

Whether your kitchen has become the home of moisture ants, carpenter ants, pavement ants, or any other types of ants, pest control experts can help you identify and get rid of the pest nuisance in your kitchen.

You should call different pest control companies to get an estimate for the job. But your final decision should be based on the years of experience rather than price.

Common Types of Kitchen Ants

In this section, we’ll discuss the common types of ants often found in kitchens, their characteristics, and behaviors. The four main types of kitchen ants include:

Carpenter Ants

Carpenter ants are among the largest ants, typically measuring between 1/4 to 1/2 inch in length. They’re known for their preference for nesting in damp or rotten wood, so kitchens with wooden structures or leaks can attract them.

Unlike termites, carpenter ants don’t eat wood; they only hollow it out to create their nests. Be cautious, as these ants can cause significant structural damage to your home over time.

Pavement Ants

Pavement ants are smaller than carpenter ants, with a brownish-black body and pale-colored legs. As their name suggests, they commonly build their nests in pavement cracks near your home, but they can also be found around your kitchen sink.

Pavement ants are scavengers, attracted to crumbs and food particles, making your kitchen an enticing food source for them.

Flying Ants

Flying ants are not a specific species, but rather ants that have wings during their reproductive stage. They can be easily mistaken for termites but have a more narrow waist and bent antennae compared to their wood-eating cousins.

If you spot flying ants in your kitchen, it’s a sign that an ant colony is nearby or possibly inside your home. Keep an eye out for these flying insects and take necessary actions to eliminate any potential ant colonies.

Kitchen Ants

Kitchen ants refer to any type of ants that are attracted to food and water sources in your kitchen area. These ants are searching for sustenance and might come from various species, such as pharaoh ants or moisture ants.

To discourage these ants from entering your kitchen, make sure to clean any food remnants, wipe down countertops, and seal any cracks or crevices where ants might enter.

By understanding the common types of kitchen ants and their behaviors, you can take the appropriate measures to keep your kitchen ant-free and maintain a clean, healthy environment for you and your family.

Frequently Asked Questions

What attracts ants to the kitchen sink?

Ants are attracted to the kitchen sink area because of the availability of food and water. Leftover food particles, unwashed dishes, and standing water provide a perfect environment for ants to thrive.

Make sure to clean up food remnants and avoid leaving dirty dishes in the sink to reduce their presence.

How do ants enter the sink area?

Ants can enter the sink area through small cracks and gaps in walls, windows, and doors. They may also crawl along pipelines or electrical wires to find their way into your kitchen.

Sealing these entry points can help prevent ants from invading your sink area.

Are ants coming from the kitchen drain?

Yes, ants can come from the kitchen drain, particularly if there is built-up food residue that attracts them.

To keep ants away, clean the sink drain regularly with a mixture of equal parts baking soda and vinegar, followed by hot water flush.

How can I prevent ants around my sink?

To prevent ants around your sink, make sure to:

  • Remove food sources by cleaning up spills and wiping countertops
  • Store food in airtight containers
  • Fix leaks to prevent standing water
  • Seal entry points, such as cracks and gaps, in your kitchen

What methods can I use to eliminate ants near my dishwasher?

To eliminate ants near your dishwasher, try:

  • Cleaning the dishwasher regularly, including the filter and gasket
  • Using a natural ant repellent, like vinegar or citrus peels, around the dishwasher
  • Setting ant bait traps near the dishwasher to capture and kill ants

How can I get rid of ants on my kitchen counter?

To get rid of ants on your kitchen counter:

  • Keep the counter clean and free of food particles
  • Store food items in airtight containers
  • Wipe down countertops with soap and water or a mild bleach solution
  • Use natural ant repellents, like essential oils or vinegar
  • Set up ant bait traps near the counter to capture and kill ants


Getting rid of ants from the kitchen sink may not be easy. But it is important to eliminate them since ants carry different diseases.

Eliminating the pest from the kitchen sink is important for the health of household members.

Other articles you may also like: