why are ants coming out of my bathroom sink
Kristina Davis

“Why are ants coming out of my bathroom sink?” is one question I need urgent answers to as it’s no longer strange to me if I see ants in my bathroom.

Just like me, I believe you might have encountered ants coming out of your bathroom sinks in the past.

But you might be wondering why. Well, let’s find out.

One reason why ants might be coming out of your bathroom sinks is due to their search for food. Ants are also drawn towards moisture, and the bathroom sink is one of the moistest areas in most homes.

Finally, ants are drawn to warmth, and your bathtub drain could be providing them with a warm, dark nesting spot.

Why Are Ants Coming Out of My Bathroom Sink?

ants coming out of sink

You may have noticed ants coming from the bathroom sink drain, but why are they there? Let’s find out.

Reason #1: The Search For Food

One reason why ants might be discovered in your bathroom sinks is their food search.

Bathrooms are frequently used to store items such as toothpaste and mouthwash, which sometimes contain chemicals that ants love. 

Also, ants can be found in bathrooms as a result of crumbs and spills on the floor.

Note: Ants can sense and find sweet things and travel long distances to get food.

Reason #2: A Damp Area

Another reason is that a bathroom is a damp place, and ants love damp areas.

Moisture in the bathroom can be caused by either the shower, sink, or even leaks. 

moist and damp area

This may cause the bathroom and surrounding areas to become wet. Ants are drawn to moisture, so they are most likely coming up looking for it.

Reason #3: Presence Of Cracks

Ants can also be found in the bathroom sink due to the presence of cracks.

Ants frequently enter the home through the bathroom, where they can find cracks and crevices that lead to the rest of the house.

Tip: Poor installation of bathroom equipment can cause cracks, allowing ants to enter the bathroom.

Reason #4: Presence Of Dirt

Ants are also attracted to dirt and can be found in bathrooms near sinks, toilets, and bathtubs.

If you haven’t cleaned your bathroom in a long time, it will most likely attract ants. 

dirty bathroom floor
Note: Dropping any sweet-smelling particles on the ground or sink of your bathroom will also attract ants.

Reason #5: Warm Temperature 

Finally, because of the temperature of your bathroom, ants may be found hanging around in your bathroom sink. 

Ants prefer warm environments, and bathrooms are typically warmer than the rest of the house.

Ants looking for a warm place to nest may be drawn to the bathroom’s warmth.

How Do I Get Rid of Ants In My Bathroom

get rid of ants in bathroom

In my case, whenever I find ants in my bathroom sink, I first investigate their source.

After that, I use one of the methods I will be showing you below to get rid of them.

Option #1: Apply Insecticides

Insecticides can be an effective way to eliminate ants in the home. It can be used to kill ants and keep them away in the future. 

Many insecticides are available in aerosol form, so read the label carefully. Use it on various parts of the bathroom, including the sink.

Apply the insecticide in a thin layer to allow the ants to easily pick it up.

Tip: If you have a severe ant infestation, you may need to hire a professional.

Option #2: Use Boiled Water

The use of boiled water is an efficient method of eliminating ants and their eggs. Simply boil a pot of water and pour it over the ants. 

use boiled water

Pour the water directly on the ants rather than on any other surfaces in your home, as this could damage your sink or floors.

Option #3: Vinegar And Baking Soda

This is also a natural method of removing ants from the toilet. Simply combine equal parts of each and scatter the mixture where you’ve seen ants. 

The ants will be drawn to the baking soda’s sweetness and become trapped in the vinegar.

Option #4: Apply Salt

Simply sprinkle salt around the areas where you’ve seen ants, and they’ll stay away. One of the reasons salt is so effective at ant control is that it dries them out. 

Ants rely on moisture in their bodies to survive, so when they come into contact with salt, it quickly kills them. 

apply salt

Furthermore, ants dislike the taste of salt because it works so well against them.

So, even if some of them get past the salt barrier, they’ll be discouraged from returning because they don’t want to eat it. 

Tip: If you have a continual ant problem, reapply salt every few days, although, in most cases, a single application will be sufficient to keep them at bay for good.

Option #5: Make Use Of Spices Such As Pepper And Garlic

Ants are repulsed by the strong odor of these two ingredients, so simply mixing them and placing them near ant-infested areas can help keep them at bay. 

You can also make a spray by combining equal parts water and vinegar and adding a few drops of essential oils like pepper and garlic.

Note: Make sure you keep chemicals and spices out of the reach of children and pets so that they will not irritate their skin and eyes.

How To Prevent Ants From Coming Out Of The Bathroom Regularly

preventing ants from coming out

After successfully getting rid of ants in your home, the next course of action would be to take proactive measures that would help prevent future infestations. 

These are a few ways to prevent ants from coming out of your bathroom sink:

Tip #1: Clean The Bathroom Regularly

If you don’t want ants in your bathroom, you need to keep it clean. Ants are attracted to bathrooms because they are typically moist places full of food particles and water. 

By regularly cleaning your bathroom, you can prevent ants from entering the sink.

Start by wiping down all surfaces with a damp cloth. Make sure to inspect all nooks and crannies, as ants frequently build their nests in these areas.

Once you’ve wiped down all the surfaces, mop the floor to remove any remaining dirt and debris.

clean bathroom

Tip #2: Fill In Cracks And Gaps In The Bathroom

One way to keep them out is to seal any cracks or gaps that ants could use to enter your bathroom sink. This will also help keep other insects and pests out of your bathroom.

There are several methods for sealing cracks and gaps in your bathroom. 

Caulk is one possibility. This can be applied around the tub’s base as well as any other cracks or gaps in the bathroom. 

Weatherstripping is another option. This can be used to repel ants around doors and windows.

Tip #3: Remove Any Moisture From The Bathroom

Eliminating sources of moisture can help keep ants out of your home. There are several methods for removing moisture from your home. 

A dehumidifier is one option. Dehumidifiers remove moisture from the air, which can help keep your home dry and bug-free. 

use dehumidifier

Another method for removing moisture is to keep your home well-ventilated. Proper ventilation will assist in the removal of the odor that attracts ants.

Tip #4: Fix Any Leaking Bathroom Pipes

To keep ants out of your bathroom, leaky pipes should be repaired as soon as possible.

To begin with, turn off the water supply to the pipe. This will prevent further water damage and simplify the repair process. 

Cut through the old pipe with a hacksaw. Wear gloves and safety glasses to keep yourself safe. Install the new pipe and secure it with clamps. 

Reconnect the water supply and check for leaks. If a leak is discovered, simply tighten the clamps until the linkage is repaired.

fix leaks in bathroom
Note: Following these preventive measures will help you to remove ants from your bathroom sink.


After reading this piece, you shouldn’t be asking the question, “Why are ants coming out of my bathroom sink?” anymore.

We’ve discussed how ants can end up in your bathroom sink, and how to handle and also prevent the problem.

If you see ants coming out of your bathroom sink, it’s most likely because they’ve discovered a food source in or near your sink.

Ants are drawn to moisture and may be entering your sink to drink water or find food that has been left behind.

To get rid of ants, first, figure out where they’re coming from and what attracts them. After that, you can take precautions to keep them from returning.