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9 Effective Ways To Get Rid of Spiders in the Basement

9 Effective Ways To Get Rid of Spiders in the Basement

Basements are located underground and have dark, humid conditions. It makes it easy for critters to get in without no issue. Ants, cockroaches, mice, and spiders can enter and stay for long periods.

Among them, spiders are common pests you will find in the dark corners of basements. These creepy crawlies can be difficult to deal with because they create webs and make your basement look filthy. Worst, they reproduce, with each egg sac containing 200 to 250 baby browns.

Even though most cellar spiders are harmless, spiders such as black widows and brown recluses are venomous. Therefore, getting rid of them will be a wise decision.

Types of Spiders You May Find In Your Basement.

Types of spiders You May Find In Your Basement.

Before looking for ways to get rid of spiders in your basement, you should first figure out what kind of spiders you have. There are a variety of venomous and non-venomous spiders that can infest your home.

  • House Spider: American house spiders usually reside inside the house. You can find them lurking around in the furniture, garages, basements, closet, and shades. They like to build webs around dark and moist areas. Talking about their toxicity, they are not a threat to humans. They have a poor vision and run away rather than confronting humans. But, as a defense mechanism, they tend to bite, which can be painful.
  • Cellar Spiders: Another common spider found inside the household is the cellar spider. It is also known as long-leg spiders. It is harmless to the human touch. But its crazy long legs are creepy to touch. It is mostly found in high and dark places. 
  • Black Widow: As shiny as they might look, black widows are venomous and not friendly spiders you may find in your house. They are black with red markings on their abdomen. They prefer to live in dry and dark places in the home like furniture, woodpiles, stone walls, a basement, and crawl spaces. Female black widows are considered more venomous spiders than their male counterparts. When they bite, the spots look like one or two fang marks with red spots. It is recommended to take help from an expert exterminator if your basement is infested with black widow spiders.
  • Brown Recluses: The violin-shaped markings on the back of this light to dark-colored brown recluse spider make it easy to identify. They are shy by nature because they dislike being confronted by humans. Porches and basements are good places to look for them. Because they’re venomous, it’s best to avoid provocation.
  • Wolf Spider : Rather than building webs, these spiders search for warmth in wood piles and gardens. They are relatively large and often confused with tarantulas. They are harmless and make a good pet. 
  • Jumping Spider: Jumping spiders are medium-sized and well known for their jumping habit. They do not build webs and live in places like gardens and homes. They are not considered harmful to humans. 

How To Get Rid of Spiders in the Basement

Here are nine effective ways to abolish spiders from your basement.

Spray White Vinegar Mixture To Terminate Spiders

Spray white vinegar mixture To Terminate Spiders

White vinegar is a natural way to abolish the spiders in your basement. It is a mild non-toxic acid that you can easily access in your household. If you do not want to use harmful pesticides in your basement, it is the best natural way to eliminate spiders in your basement. The acidity in the vinegar can deter spiders whenever it comes into contact.


  • Vinegar
  • Water
  • Spray bottle


  1. Mix 1 part of vinegar and 1 part of water. 
  2. Pour it into a spray bottle.
  3. Spray the mixture wherever you find spiders.
  4. Apply it every 2 to 3 days in cracks and corners.

Scented Essential Oil as a Spider Repellent

Scented essential oil as a spider repellent 

Aromatic oils like peppermint, chestnut, eucalyptus, clove, and lavender are pleasant-smelling oils for humans. The same is not true for pests like gnats, ants, roaches, and spiders. 

They despise its fragrance, causing it to leave the premises. Not only eliminating the pest, but this solution can also fill the basement odor with a pleasant aroma.

Among all the oils, peppermint is the best repellent as it has a very strong fragrance in comparison. It is a good natural alternative to commercial products.


  • Essential oil
  • Water
  • Spray bottle


  • Mix 1-2 ml of oil in a cup of water. You can increase the amount of oil to make the repellent stronger.
  • Pour the mixture into a spray bottle.
  • Spray it in the basement door, windows, cracks, and ceilings wherever the spider resides.
  • Reapply every few weeks to ensure it is working.

Abolish Spiders Applying the Citrus Solution

Terminate Spiders Applying the citrus solution

Citrus fruits like lemon and oranges have a strong smell. Spiders detest this smell and run away from it. You can use citrus juice, oil, or peels to eradicate spiders. 

In case you want to use the citrus juice. Follow these steps to get it done.


  1. Mix lemon or orange juice and water and pour it into a spray bottle. 
  2. Spray the mixture on the area where you see spiders.
  3. Reapply for a few days to achieve better results.

Alternatively, you can use the citrus fruit peels to eliminate the spiders. Place or rub the peels on the gaps and cracks for a few days. The strong citrus smell will push the spiders away from the basement.

Also, use citrus oil and follow the same steps as an essential oil to avoid spiders.

Ammonia Solution To Repel Spiders

You can use an ammonia and water mixture to wipe out the spiders. Diluted ammonia is safe to use as it is a natural homemade spray.


  1. Mix 1 cup of water and 1 cup of ammonia.
  2. Pour it into the spray bottle and shake well before use.
  3. Spray the mixture wherever you see a spider lurking.
  4. Reapply once a week.

Spreading Diatomaceous Earth To Abolish Spiders

Spreading Diatomaceous Earth To Repel Spiders

According to the National Pesticides Information Center, the Diatomaceous earth kills spiders by attacking them into its exoskeleton. DE is made up of crystallized silica and natural minerals. When insects like sugar ants, roaches, flies, and arachnids walk into it, it cuts the exoskeleton and causes damage by absorbing its oil from the body. It will dry out the spiders resulting in instant death. Therefore, it is a perfect solution to deter spiders. 

It is important to target the area where the spider enters while applying the DE powder. Use gloves and a protective mask to avoid inhaling the DE dust. Sprinkle the basement gaps, windows, and other parts. The main goal is to let the arachnid walk into the powder. So, don’t let it get wet. Not only in the basement, but you can also apply it in the closet, storage, and wall voids. It is useful as long as it is dry. Reapply the powder after it has been blown out or is wet. 

Install Spider Traps

Install Spider Traps

Glue traps are one of the popular spider traps handy to eliminate spider infestation in the basement. You can purchase these flat glue traps from nearby hardware stores. Make sure to purchase traps with non-toxic glue. Also, please keep it away from pets and children.

In case your home is infested with a high number of spiders. Then, glue traps can work like magic. However, it is hard to trap spiders if there are only a small number of spiders.

Place the traps in the corners of the basement, around wood furniture, and other crawl spaces.

Another useful trap you can use is vacuum cleaners. There are specialized vacuum bug cleaners that are useful to trap spiders onto it.

Eliminate Spider Using Commercial Spider Spray

Commercial Spider Sprays

You can purchase several chemical sprays from hardware if natural methods do not show results. It costs you a lot of money in comparison to natural repellent. But, they are an efficient way to kill spiders. 

While spraying the chemical spray, make sure to wear a proper mask. The product’s smell is strong, which can be hard to breathe. You can spray it afterward on the baseboards, furniture, ceilings, windows, and wherever you see spiders. Insecticides can be useful to kill other flying and crawling insects like bees, hornets, gnats, cockroaches, and ants. So, you can eliminate this crawlies in the process.

Ultrasonic Device for Pest Remover

Ultrasonic device for pest remover

An ultrasonic pest repeller is a device that creates a high-pitched noise that leads to discomfort in pests and drives them away. There are plug-in electronic and battery-operated devices that you can place in your basement to repel not only spiders but other insects and pests. Follow the manufacturer’s instructions, and it is safe to use. You can also put it in your space’s garden and other locations.

Spreading Tobacco Leaves To Keep Spiders Away

Spreading Tobacco Leaves To Keep Spiders Away

Tobacco leaves are another natural ingredient that pests hate. You can buy tobacco leaves in a grocery store. Place the tobacco leaves where you see them. Or, you can mix it with water and spray it in cracks and crevices. 

Prevention To Get Rid of the Spiders

  • Keep the basement clean: Make a habit of cleaning and dusting the basement once a week. It will prevent the crawlies from coming back into your space.
  • Unclutter the basement: If you habitually keep unnecessary boxes and waste in the basement. You have to stop doing it. Spiders love to hide under the cluttered furniture and boxes. Throw away the waste boxes and furniture if you don’t have use for them.
  • Do not stack woods: Woodpiles attract spiders and other insects. They love to hide under the stack of woods. So, it is not recommended to sack it inside your basement. You can place the wood piles in the backyard. 
  • Seal cracks and openings: Spiders will find a way in if your basement has cracks and crevices. If that’s the case, caulk the cracks to keep the critters out. It will significantly affect the pest’s ability to enter your space. 
  • Knockdown webs: Utilize a broom or vacuum to remove webs after seeing them. It will prevent the spiders from mating and breeding.
  • Leave the lights off: A basement is a place that does not see visitors. So, it is okay to keep the light off. The thing is, lights attract other insects like flies and mosquitoes. The spiders are known for building webs around where they see these insects. So, it is better to leave the lights off if you do not require them.