Updated: September 3, 2026

If you are trying to figure out how to control centipedes in the house, start with this, they are almost always a moisture problem plus a food source problem. Centipedes hunt other bugs, so if they keep showing up indoors, your home is giving them shelter, water, or both. The fastest way to get rid of them is to remove the bugs they eat, dry the spaces they like, and block the cracks they use to get inside.

What Centipedes in the House Mean

How to identify house centipedes

House centipedes are long, flat, fast-moving insects with many legs, long antennae, and a striped or yellow-gray body. They are not silverfish, roaches, or earwigs. In homes, the common house centipede is the one people notice darting across basement floors, bathroom tile, laundry rooms, or under sinks.

Are centipedes dangerous?

House centipedes do bite, but they are not aggressive toward people. A bite can cause brief pain, redness, and swelling, similar to a mild bee sting. The real issue is not the bite, it is what their presence says about your home. If centipedes are indoors, there is likely excess moisture and other insects for them to feed on.

Remove Centipedes Already Inside

How to remove a centipede from home

  1. Trap it with a cup or jar and slide a stiff card underneath.
  2. Carry it outside and release it away from the house.
  3. Vacuum visible centipedes, then empty the vacuum canister or bag outdoors right away.
  4. For single bugs on hard surfaces, a direct spray of household insect killer labeled for crawling insects will kill on contact.

How to get rid of centipedes indoors fast

If you need to eliminate centipedes in the house, focus on the places where they hide. Check bathrooms, basements, crawl spaces, under sinks, behind toilets, behind washer and dryer units, and along baseboards. A handheld vacuum and a flashlight do most of the work. If you see several at once, treat it as a larger infestation problem and move straight to moisture control and crack sealing.

Stop Centipedes Entering Your Home

How to prevent centipede in house

Seal the entry points first. Use silicone caulk for hairline gaps around window trim, baseboards, and pipes. Use steel wool plus caulk for larger gaps around utility lines. Add door sweeps to exterior doors and replace cracked weatherstripping. Fix torn window screens and cover foundation vents with tight screening.

How to keep centipedes out of house

Outdoor conditions matter too. Pull mulch back at least 12 inches from the foundation. Keep firewood, leaf piles, and compost bins away from the house. Trim shrubs so they do not touch siding. Reduce outdoor lighting at night if it attracts insects near doors, because centipedes follow the insects.

Control Moisture and the Bugs They Eat

How to deter centipedes by drying out the house

Centipedes need humid, protected spaces. Run bathroom fans during showers and for 20 minutes afterward. Use a dehumidifier in basements and aim for indoor humidity below 50 percent. Fix leaking pipes, sweating drains, wet crawl spaces, and damp laundry areas. Dry conditions make a home far less attractive to centipedes and the insects they hunt.

How to eliminate centipedes by removing food sources

Centipedes stay where they can eat. Get rid of roaches, silverfish, ants, and flies with sticky traps, bait stations, and proper sanitation. Store pantry foods in sealed containers, clean pet food spills, and vacuum crumbs along baseboards and under appliances. If centipedes have food, they have a reason to remain indoors.

Natural Ways to Repel Centipedes

How to repel centipedes naturally

Natural methods work best as support, not as a stand-alone fix. Diatomaceous earth can be dusted lightly into dry cracks and behind appliances, but keep it away from wet areas because moisture ruins it. Essential oil sprays with peppermint or tea tree can help reduce insect traffic along entry points, but they do not replace sealing gaps and lowering humidity.

Natural repellent for centipedes

For a simple DIY repellent, mix 10 to 15 drops of peppermint oil into 1 cup of water with a small amount of dish soap, then spray baseboards, door thresholds, and pipe entry points. Reapply every few days. Use it only on hard surfaces, and keep it away from pets and children until dry.

What Kills Centipedes in the House

How to exterminate house centipedes

Contact sprays labeled for crawling insects kill centipedes on contact. Residual insecticides labeled for indoor perimeter cracks and crevices add longer control when applied to baseboards, behind appliances, and along foundation entry points. Always follow the label exactly, especially around food areas, pet areas, and sleeping spaces.

What kills centipedes in the house

Vacuuming, contact sprays, crack and crevice insecticides, and dry conditions all kill centipedes or stop them from thriving. The strongest long-term answer is not one product, it is combining removal, sealing, and moisture control. That is how you get rid of centipedes in house spaces and keep them from coming back.

Frequently Asked Questions

How do I repel house centipedes without pesticides?

Use a dehumidifier, run exhaust fans, seal gaps, and reduce indoor insect food sources. For extra support, use peppermint oil spray on dry entry points and dust diatomaceous earth into dry cracks. These steps repel centipedes naturally, but they work best when the home stays dry.

How do I get rid of centipedes in my home permanently?

Remove the bugs they eat, fix moisture problems, and block every entry point you can find. If centipedes keep appearing in the same rooms, inspect for leaks, wet basements, clogged gutters, and foundation gaps. Permanent control comes from changing the conditions that attract them.

Should I worry if I keep seeing centipedes indoors?

Yes, because repeated sightings point to moisture, hidden insects, or both. A few centipedes near drains or basements are a warning sign, not a stand-alone pest problem. Treat the cause first, then remove the centipedes you see.

How do I repel centipede activity in bathrooms and basements?

Keep those spaces dry, seal plumbing gaps, and use sticky traps along walls and behind fixtures. Bathrooms need working exhaust fans and dry floors. Basements need dehumidification, leak repair, and clutter removal so centipedes lose their hiding spots.