When you catch a glimpse of a rodent scurrying across your floor, your first instinct is to reach for a rodent deterrent. It feels simple and accessible, easy and convenient. However, while a spray from the hardware store shelf or a bundle of steel wool might seem like a good way to keep rodents out, these items rarely address the entire problem.

Once rodents start nesting or reproducing inside, those little fixes won’t keep them from chomping through wires, contaminating food, or leaving trails of droppings. At Critter Control, we’ve helped many families who’ve tried these methods first, only to discover the problem was bigger than they thought. We provide safe, lasting solutions to protect your home and family.

Common Rodent Problems

When we talk with homeowners about rodent problems, the same species come up again and again. Each one behaves a little differently, but they all cause damage and create stress when they move into a house or yard. Knowing which type of rodent you’re dealing with can help you understand what deterrents may slow them down—and why professional removal is often necessary once they’ve settled in.

  • Norway rats: These large rodents dig burrows along foundations, in clutter, or beneath sheds and patios.
  • Roof rats: Agile climbers that slip indoors through roofs and attic spaces, often leaving behind rodent noises at night.
  • House mice: Found year-round but especially common indoors in cooler weather, house mice often leave behind rodent droppings near food sources.
  • Squirrels: Active in trees, gardens, and attics, these rodents can chew wiring and nest in insulation.
  • Chipmunks: Small but destructive, chipmunks often tunnel near patios, stairs, or building foundations.
  • Gophers: Known for creating large dirt mounds and burrow systems across yards, gophers damage lawns and landscaping.
  • DIY Rodent Deterrent Methods

    Many homeowners try do-it-yourself approaches before calling for help. These methods are inexpensive, easy to find, and sometimes useful for prevention. But once rodents are nesting indoors, quick fixes won’t solve the problem.

    Essential Oils & Spices

    essential oils for rodent control

    Sometimes, homeowners use natural scents like peppermint oil, cayenne, or even cloves along baseboards and in pantries to keep rodents at bay. Mice and rats typically dislike these smells the most, but they rarely hold up once the animals are determined to get inside.

    Pros of Essential Oils

    • Easy to find and inexpensive.
    • Simple for homeowners to apply in small problem areas.
    • Works as a mild natural rodent deterrent when used consistently.

    Cons of Essential Oils

    • Effects fade quickly and need frequent reapplication.
    • Won’t stop rodents from nesting or reproducing indoors.
    • Only discourages activity in the treated spot, not the entire home.

    Repellent Spray

    rodent repellent spray

    Many families try homemade or store-bought sprays as a quick way to keep rodents away. Mixtures with peppermint oil, vinegar, or hot peppers are common, and commercial sprays are marketed for the same purpose. These may discourage activity in treated spots, but they won’t remove rodents that are already nesting inside.

    Pros of Rodent Repellent Spray

    • Simple for homeowners to apply.
    • Easy to make with household ingredients.
    • May provide short-term relief in small areas.

    Cons of Rodent Spray

    • Need frequent reapplication to stay effective.
    • Rodents often adapt quickly and return.
    • Doesn’t eliminate an infestation; it only masks the problem temporarily.

    Ultrasonic Electronic Repellents

    You may have seen ultrasonic devices that promise to keep rodents away. While these options can seem like a quick fix, rodents often adapt and return once the effects fade. Chemical and electronic rodent deterrents might provide short-term relief, but they don’t solve the problem at its source.

    Pros

    • Low-maintenance and easy to use
    • Chemical free
    • Designed to be non-lethal

    Cons

    • Does not solve an established infestation
    • Limited range and effectiveness.
    • Obstructions weaken results

    Mothballs

    We sometimes hear from homeowners who have tried scattering mothballs to keep rodents out. This approach doesn’t work, and more importantly, it’s unsafe. Mothballs release toxic fumes that pose risks to people, pets, and the environment without deterring rodents at all.

    Do not use mothballs!

    Cons

    • No proven effectiveness against rodents.
    • Harmful to children, pets, and wildlife.
    • Chemicals can contaminate indoor air and soil.

    Steel Wool to Keep Rodent Outs

    steel wool

    A go-to tactic for many people is stuffing steel wool into gaps and cracks where rodents might enter. It can be a useful barrier if every possible hole is sealed, and that’s easy to miss without training. Even a gap the size of a dime can let a mouse squeeze through, causing issues like rodents in attics or rodents in walls (where they’re difficult to detect).

    Pros

    • Readily available and inexpensive.
    • Works well in small gaps when used correctly.
    • Provides an immediate barrier that rodents can’t chew through easily.

    Cons

    • Hard to identify every entry point without a professional inspection.
    • Not effective for larger holes or areas that need more durable materials.
    • Can wear down or loosen over time, especially in damp areas.

    Why DIY Rodent Control Won’t Work

    DIY deterrents can seem promising at first. Sprays, oils, or ultrasonic devices may temporarily discourage and quiet mouse noises for a time, and steel wool can block a few entry points. However, these methods only scratch the surface. Rodents are persistent and adaptable: once they find food, water, and shelter, they’ll push past most home remedies. Even when some are blocked or driven away, others quickly return, and the infestation continues.

    The real challenge is that DIY solutions don’t tackle the root of the problem. A handful of droppings usually points to a much larger colony of rodents under the house, deck, or floor, or inside walls or attics.

    Without professional inspection and control, it’s nearly impossible to locate every entry point, clean up contamination, and prevent rodents from returning. That’s where we come in. At Critter Control, we employ safe and effective methods to remove rodents and protect homes in the long term—solutions that DIY deterrents simply can’t match.

    Rodent Deterrent Strategies That Work

    The most helpful rodent deterrents will remove shelter, water, and food, forcing these pests to seek resources elsewhere. When these essentials are taken away, rodents have little reason to stay, and prevention becomes far more effective than any spray or gadget.

    Control Food Sources

    Cleanliness is an effective rodent deterrent. The smell of food attracts rodents, especially garbage and scraps. Keep trash cans sealed and carefully store pet food and leftovers.

    Also, be sure to drain puddles and fix leaks, which provide water for the pests.

    Eliminate Hiding Places

    Clear yards of debris, wood, leaves, or clutter that could become rodent shelters. Homeowners can also trim shrubs away from houses and keep grass cut to remove cover. A tidy home and yard is the best rodent repellent.

    Seal Entry Points

    Sealing cracks and gaps in homes removes access to entrances, deterring rodents from coming inside. Check around foundations, windows, doorways, and drains for possible entry points. Most rats and mice can squeeze through holes less than an inch wide.

    Take Precaution

    DIY methods like baits and traps are easy to get wrong. Traps may be misplaced or under-baited, and most homeowners don’t set enough of them to keep up with how quickly rats and mice reproduce. Add in the fact that rodents can squeeze through tiny gaps almost anywhere, and it’s clear why infestations are so hard to manage alone.

    That’s why professional rodent control makes all the difference. At Critter Control, we quickly identify entry points, use proven methods to stop infestations, and put prevention strategies in place so rodents don’t return.

    Professional Rodent Control for Homes and Businesses

    Rodents like mice and rats are some of the most destructive pests. Professional rodent control not only eradicates the infestation, but also repairs the damage, provides remediation and long-term control. At Critter Control, our four-part process quickly gets rid of the rodents and restores you home and business.

    Get them out.
    Keep them out.®

    Experiencing a wildlife or pest issue? We can help! Complete this form and your local Critter Control® office will contact you to assist.
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    Tracey Schurtz profile picture
    Tracey Schurtz
    9 October 2026
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    Bob, the service tech, is friendly and always communicates what he is doing, activity, refill stations etc. He also arrives within the scheduled time frame.
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    Jill Mccrackin
    9 October 2026
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    Bryan came out to give me a quote , he is very professional and started the job that same day .. The total job was complete in the same week He and his team kept we well informed .. Would use again
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    DMP
    9 October 2026
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    Critter control has been taking care of our woodpecker problem for a few years now-well worth it. Especially compared to the damage we have incurred. Our new tech Ben is local and couldn’t be better. Just had the place sprayed for stink bugs and those lousy look alike lady bugs. Contact these guys before you go with any one else. For years we had the place sprayed for stink bugs with another company and all they did was spray a few feet up. Ben got way up to the second story soffits. Thanks.
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    Annette Hagemann
    9 October 2026
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    Cherina was great and she returns to me every month. Services are done well and to my satisfaction. Highly recommend the Company!
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    p patel
    8 October 2026
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    Anthony did fantastic job. Very professonal and answer all of my questions. Thank you Anthony.
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    Patrick Toney
    8 October 2026
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    Everything went as advertised from the first visit dealing with bats in the walls. Every person that came to do the necessary work was professional and the removal of bats was smooth. Also, the workers were prompt to answer any questions and seemed very knowledgeable. I recommend using Critter Control. Patrick Toney
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    Nancy Tyler
    8 October 2026
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    When we had a critter issue in our attic Brian and his team were amazing and completely professional. I cannot recommend them enough. Their communication, expertise and attention to every detail is so impressive! We are now critter free!
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    Chris p
    8 October 2026
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    Adam came to my house and solved my problem. Took care of my pest problem for good! Answered all my questions and would recommend to anyone.
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    Aaron West
    8 October 2026
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    Danny&Luke came out to retrieve a dead animal under our crawl space , they didn't give up, searching and searching until they found it, a very stinking opossum, thank you for your commitment!!! Very nice people!
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    Annette Roden
    8 October 2026
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    So grateful for their help. They were quick to respond, helpful and professional!
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