How To Set A Mousetrap: 14 Steps (with Pictures) - WikiHow

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Terms of Use wikiHow is where trusted research and expert knowledge come together. Learn why people trust wikiHow How to Set a Mousetrap PDF download Download Article Co-authored by Chikezie Onyianta and Janice Tieperman

Last Updated: July 14, 2025 Fact Checked

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  • Mousetrap Setup
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  • Where to Put Mousetraps
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  • Video
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  • Expert Q&A
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  • Tips
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  • Warnings
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  • Things You'll Need
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This article was co-authored by Chikezie Onyianta and by wikiHow staff writer, Janice Tieperman. Chikezie Onyianta is a Pest Control Specialist and the Owner of EcoFusion Pest Control, serving communities in New Jersey, Pennsylvania, and New York. With over 5 years of experience, he specializes in pest control in both residential and commercial spaces. A graduate of Essex County College, Chikezie and EcoFusion assist in rodent, roach, and ant pest control as well as bed bug services. There are 15 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 546,775 times.

There are plenty of different mousetraps on the market nowadays, but it’s hard to go wrong with a classic snap trap. But how are you supposed to set up these traps without snapping your fingers in the process? There’s no need to worry–these devices are actually pretty easy to set up. We’re here to teach you step-by-step how to assemble and disable your mousetrap, as well as the best places to put it once it’s loaded. We’ve even included some clean-up and disposal advice, so you can keep your home as sanitary as possible.

Steps

Part 1 Part 1 of 2:

Mousetrap Setup

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  1. Step 1 Identify the kill bar, pedal, and armbar on your snap trap. 1 Identify the kill bar, pedal, and armbar on your snap trap. Look for the distinct, rectangular-shaped bar looping around one side of the trap–this is the kill bar, which is spring loaded to snap back and kill any lured mice. The pedal is a small, copper-colored piece of metal that springs the trap when the mouse steps on it. The armbar, a thin, wire-like piece of metal, hooks onto the pedal and holds the kill bar in place.[1]
    • Victor, a popular mousetrap brand, makes an “easy set” mousetrap that has a plastic pedal that springs the trap instead of a metal one.[2]
  2. Watermark wikiHow to Set a Mousetrap 2 Remove the staple holding the armbar in place. Unpackage your trap and look for the armbar, which should be stapled to the left side of the wooden trap. Pull up on this armbar to remove the staple and free it from the rest of the trap.[3] Advertisement
  3. Watermark wikiHow to Set a Mousetrap 3 Drape the armbar behind the trap. You don’t need to use the armbar until you’ve set up everything else, so place it out of the way for now.[4]
  4. Watermark wikiHow to Set a Mousetrap 4 Dab a pea-sized amount of peanut butter on the pedal with a toothpick or swab. Spread the peanut butter along the top-center portion of the pedal with a cotton swab or toothpick instead of a finger; this way, you won’t stick your own scent on the mousetrap.[5]
    • You can use string as bait, too! Loop and knot a small section of string or floss around the pedal. Mice love to use string in their nests and will want to grab it off the end of the trap.[6]
  5. Watermark wikiHow to Set a Mousetrap 5 Tug the kill bar back and grip it down with your thumb. This bar is spring-loaded, so it may take a little effort to pull and completely flip the bar to the opposite side of the trap. Press and hold down on the bar with your thumb so it doesn’t return to its original position.[7]
  6. Watermark wikiHow to Set a Mousetrap 6 Hook the end of the armbar beneath the latch on the metal pedal. Use your free hand to flip the armbar up and over the rectangular bar. Then, secure the curved end of the armbar beneath the latch along the bottom of the metal pedal.[8]
    • This part can be a little tricky, so don’t be discouraged if your armbar doesn’t latch right away! You’ll be fine as long as you keep firmly pressing your thumb down on the kill bar.
  7. Step 7 Secure the armbar in the colored pedal if you’re using an “easy set” trap. 7 Secure the armbar in the colored pedal if you’re using an “easy set” trap. Insert the armbar into the yellow pedal’s opening. Lean the armbar to the left side of the pedal for a “firm” setting, and to the right side for a “sensitive” setting.[9]
    • The “firm” option is easier to set up, but requires a little extra pressure from a mouse to trigger the trap.
    • The “sensitive” option is a little trickier to set up, but it will trigger more easily.
  8. Watermark wikiHow to Set a Mousetrap 8 Let go of the kill bar quickly. Pull your thumb off the rectangular bar and move your hands away as fast as you can. Don’t be discouraged if the trap doesn’t set at first, though–it can take some practice! Just continue pulling back the kill bar, holding it in place, and latching the armbar until the trap stays put.[10]
  9. Watermark wikiHow to Set a Mousetrap 9 Disable the mousetrap by lifting and dropping the device on a table. Grip both sides of the wooden trap with your thumb and pointer finger. Lift the trap at least 1 to 2 in (2.5 to 5.1 cm) off of a table and firmly drop it down. Move your hands away as soon as you let go–the trap should snap and disable itself right as it hits the surface.[11]
    • Dropping the trap from a low height over a table is a good, safe way to trigger your trap without hurting yourself.
    10. Advertisement
Part 2 Part 2 of 2:

Where to Put Mousetraps

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  1. Step 1 Find spots in your home that mice pass through the most. 1 Find spots in your home that mice pass through the most. Set traps along the perimeter of your home or garage, since mice like to travel along walls.[12] If you’ve noticed mice or rodent droppings under cabinets or in your pantry, set additional mousetraps there.
  2. Watermark wikiHow to Set a Mousetrap 2 Place the trap so it’s perpendicular against the wall. Pretend that you’re creating a capital “T” shape between the mousetrap and your wall–the mousetrap is the vertical base of a “T,” while the wall is the horizontal top line.[13] Make sure that the bait side of the trap is touching the wall, so a passing mouse is more likely to step on the trigger.
  3. Watermark wikiHow to Set a Mousetrap 3 Set multiple traps to increase your chances of success. Arrange your traps wherever the mice seem to hang out the most. Space each trap about 3 ft (91 cm) apart (or less), so you have a better chance at catching more rodents in one go.[14]
  4. Step 4 Trash any trapped mice while wearing gloves. 4 Trash any trapped mice while wearing gloves. Monitor your traps each day and clear away dead mice and their traps as soon as you notice them. Always slip on a pair of gloves before handling a dead mouse, so you don’t pick up any germs or diseases. Then, toss the mouse and the trap in an outdoor trash bin or dumpster as soon as you can.[15]
    • A plastic bag can work in a pinch if you don’t have any gloves on hand.
    • If you’d like to reuse the trap, slip on a pair of gloves and hold it over an open trash bag. Pull up on the kill bar to release the dead mouse, and thoroughly clean off the entire trap with a disinfectant before using it again.
  5. Watermark wikiHow to Set a Mousetrap 5 Clean up the area with a bleach solution or disinfectant wipe. Slip on a pair of disposable gloves and spritz over any visible urine or mouse poop with a 10:1 water-bleach mixture. Lift up the damp waste with a clean paper towel and toss it out. Then, wipe down the entire area with the bleach mixture again.[16]
    • Avoid using bleach on floors or surfaces made of wood, granite, or metal.[17] In that case, use a disinfectant labeled as safe to use for those kinds of surfaces.[18]
    6. Advertisement

Expert Q&A

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  • Question Where should I set mousetraps? Chikezie Onyianta Chikezie Onyianta Pest Control Specialist Chikezie Onyianta is a Pest Control Specialist and the Owner of EcoFusion Pest Control, serving communities in New Jersey, Pennsylvania, and New York. With over 5 years of experience, he specializes in pest control in both residential and commercial spaces. A graduate of Essex County College, Chikezie and EcoFusion assist in rodent, roach, and ant pest control as well as bed bug services. Chikezie Onyianta Chikezie Onyianta Pest Control Specialist Expert Answer Place the mousetraps in areas where you notice mice coming into your home or where you see droppings. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 7 Helpful 10
  • Question What is the best thing to put on a mousetrap? Chikezie Onyianta Chikezie Onyianta Pest Control Specialist Chikezie Onyianta is a Pest Control Specialist and the Owner of EcoFusion Pest Control, serving communities in New Jersey, Pennsylvania, and New York. With over 5 years of experience, he specializes in pest control in both residential and commercial spaces. A graduate of Essex County College, Chikezie and EcoFusion assist in rodent, roach, and ant pest control as well as bed bug services. Chikezie Onyianta Chikezie Onyianta Pest Control Specialist Expert Answer Some mice are looking for food, like peanut butter, but others are looking for nesting materials, so try cotton balls or shredded paper towels. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 3 Helpful 10
  • Question How do I disable a mousetrap? Janice Tieperman Janice Tieperman Community Answer Pick up the sides of the mousetrap with 2 fingers and lift it an inch or so off the surface of a table. Then, drop the trap to trigger and disable it. Just be sure to pull your hands away after you let go! Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 2 Helpful 1
See more answers Ask a Question 200 characters left Include your email address to get a message when this question is answered. Submit Advertisement

Video

Read Video Transcript

Things You'll Need

  • Toothpick or cotton swab
  • Peanut butter
  • Disposable gloves
  • Bleach
  • Water
  • Spray bottle
  • Paper towels

Tips

  • Some snap taps (like the Tomcat brand) are designed a bit differently than the traditional wooden mousetraps, and look more like an open set of jaws. With these traps, all you have to do is squeeze the trap open, apply bait to the open “mouth” of the trap, and set it along a wall where mice like to travel.[19] Thanks Helpful 0 Not Helpful 0
Submit a Tip All tip submissions are carefully reviewed before being published Name Please provide your name and last initial Submit Thanks for submitting a tip for review! Advertisement

Warnings

  • Snap traps might not be the best option if you have pets or young children around. They might think the trap is a toy or treat and painfully trigger it by mistake. Thanks Helpful 1 Not Helpful 0
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References

  1. ↑ https://www.youtube.com/watch?v=vBeo0RlaWiQ&t=0m33s
  2. ↑ https://www.youtube.com/watch?v=I1Z-DghYl58&t=0m29s
  3. ↑ https://www.youtube.com/watch?v=vBeo0RlaWiQ&t=0m6s
  4. ↑ https://www.youtube.com/watch?v=vBeo0RlaWiQ&t=0m8s
  5. ↑ https://www.youtube.com/watch?v=vBeo0RlaWiQ&t=0m18s
  6. ↑ https://blogs.cornell.edu/nysipm/2014/08/21/baiting-for-mice-rats-try-string/
  7. ↑ https://www.youtube.com/watch?v=I1Z-DghYl58&t=0m25s
  8. ↑ https://www.youtube.com/watch?v=vBeo0RlaWiQ&t=0m30s
  9. ↑ https://www.youtube.com/watch?v=I1Z-DghYl58&t=0m29s
More References (10)
  1. ↑ https://www.youtube.com/watch?v=I1Z-DghYl58&t=0m25s
  2. ↑ https://www.youtube.com/watch?v=u5PQZUChDZw&t=3m57s
  3. ↑ https://ucanr.edu/blog/pests-urban-landscape/article/rats-and-mice-how-manage-using-snap-traps
  4. ↑ https://ucanr.edu/blog/pests-urban-landscape/article/rats-and-mice-how-manage-using-snap-traps
  5. ↑ https://cales.arizona.edu/apmc/docs/2013NovemberAZSchoolIPMNewsletter.pdf
  6. ↑ bobvila.com/slideshow/11-ways-to-get-rid-of-mice-47935
  7. ↑ https://www.cdc.gov/healthy-pets/rodent-control/clean-up.html
  8. ↑ https://www.thekitchn.com/bleach-cleaning-tips-things-to-avoid-257741
  9. ↑ https://www.cdc.gov/healthy-pets/rodent-control/clean-up.html
  10. ↑ https://www.youtube.com/watch?v=4_UukZcummE&t=0m2s

About This Article

Chikezie Onyianta Co-authored by: Chikezie Onyianta Pest Control Specialist This article was co-authored by Chikezie Onyianta and by wikiHow staff writer, Janice Tieperman. Chikezie Onyianta is a Pest Control Specialist and the Owner of EcoFusion Pest Control, serving communities in New Jersey, Pennsylvania, and New York. With over 5 years of experience, he specializes in pest control in both residential and commercial spaces. A graduate of Essex County College, Chikezie and EcoFusion assist in rodent, roach, and ant pest control as well as bed bug services. This article has been viewed 546,775 times. 25 votes - 76% Co-authors: 39 Updated: July 14, 2025 Views: 546,775 Categories: Rodent Control Article SummaryX

If you need to set a mousetrap, try to place it in an area where the mice are spending their time. Mice tend to hide in attics, basements, closets, and inside walls. Place chips, crackers, peanut butter, or other snacks as bait inside the trap. For electronic or spring-loaded traps, carefully lay the bait in the bait station. If you’re using a catch-and-release trap, place the treat inside the trap, far from the entrance. For tips on choosing a trap, read on! Did this summary help you?YesNo

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Reader Success Stories

  • Anonymous

    Anonymous

    May 27, 2017

    "Never set trap before. Easy-to-understand information, thanks."
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Did this article help you?

Yes No Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Chikezie Onyianta Co-authored by: Chikezie Onyianta Pest Control Specialist 25 votes - 76% Click a star to vote Co-authors: 39 Updated: July 14, 2025 Views: 546,775 Anonymous

Anonymous

May 27, 2017

"Never set trap before. Easy-to-understand information, thanks." Anonymous

Anonymous

Nov 6, 2017

"Didn't know how to reset a wooden snap trap." Anonymous

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Jun 9, 2017

"It was all good to know." Share yours! More success stories Hide success stories

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