The short answer
- Snap traps are the first choice for most homes: cheap, fast, and no poison.
- Consumer rodent baits must come as blocks or paste inside a bait station. Loose pellets are not allowed.
- Poison inside the house can leave dead rodents in the walls.
- Rodent baits can kill pets and wildlife, including those that eat poisoned rodents.
- There is little evidence that ultrasonic devices chase rodents out.
On this page
The rodent aisle at the hardware store has a dozen options, from 99-cent snap traps to plug-in gadgets to boxes of bait. They are not equal. Some work well, some work poorly, and some create new problems in your walls or for your pets. This guide compares each option honestly, explains the federal rules on consumer rodent baits, and helps you pick the right tool for your situation.
The short answer
For most homes, use snap traps plus sealing entry points. That combination is what the CDC and university extension programs recommend first. Bait stations are a later step for problems that trapping does not solve, and they come with real trade-offs. Before you buy anything, make sure you know whether you are dealing with mice or rats, since trap size and setup differ.
Comparison table
| Option | Best for | Pros | Cons | Safety around kids and pets | Humane considerations |
|---|---|---|---|---|---|
| Snap traps | Most indoor mouse and rat problems | Cheap, fast, no poison, you can see results and remove the body | Must be set and checked; rats need pre-baiting | Can hurt fingers and paws; place out of reach or in a covered box | Kill outright; check daily |
| Electronic traps | Indoor mice and rats when you want a no-touch disposal | No poison, easy to empty without touching the rodent | Cost much more; need batteries and frequent checks | Enclosed design; follow the maker’s instructions | Kill outright; check often |
| Multi-catch and live traps | Mice in places you check every day | Catch several mice without resetting | You still have to deal with live mice; release is discouraged and can be illegal | Low direct risk | Stressful for animals left too long; mice must be checked often and humanely euthanized |
| Glue boards | Monitoring; very limited use | Cheap; show which way mice travel | Mostly catch young mice, rats often pull free; lose stickiness in dust | Can trap pets and wildlife; keep out of reach | Animals stay stuck and alive until found; CDC advises against them |
| Tamper-resistant bait stations | Ongoing or outdoor problems after trapping falls short | Reach rodents you cannot trap; work along exterior walls | Rodents may die in walls; risk to pets and wildlife; takes days to work | Use tamper-resistant stations only, secured in place, out of reach | Death takes days |
| Ultrasonic devices | Not recommended | No setup or poison | Little evidence they work; sound does not pass behind furniture; rodents get used to it | No direct risk | No harm, but no effect either |
Snap traps
Snap traps are the tool the CDC recommends for reducing rodents around the home. The UC IPM program calls them the safest, most effective and most economical choice for rats.
- Use the right size. Mouse traps for mice, rat traps for rats.
- Set them in a T with the wall, baited end against the wall, where you have seen droppings or gnaw marks.
- Use a small amount of bait. A pea-sized dab of peanut butter works for both.
- Use plenty. Space mouse traps no more than about 10 feet apart. For rats, space them about 10 to 20 feet apart.
- Pre-bait for rats. Leave baited traps unset for several days so wary rats get used to them, then set them all at once.
- Check every day and keep trapping until you catch nothing for a week.
Electronic traps
Battery-powered traps deliver a lethal shock when the rodent steps inside. They work, and you can empty them without touching the animal. They cost a lot more than snap traps, they need to be checked often so dead rodents are removed, and rats still need pre-baiting.
Multi-catch and live traps
Multi-catch traps hold several mice at once. They sound humane, but the follow-through is hard. Extension specialists do not recommend releasing house mice or rats, relocation often fails, and it can be illegal without a permit in some states. The CDC advises against live traps because frightened rodents urinate in them, which raises your exposure to disease. If you use one, check it at least daily and plan to humanely euthanize what you catch.
Glue boards
Glue boards catch mostly young mice, often fail against rats and lose stickiness in dusty places. Animals stay stuck until you find them, and boards can catch pets, birds and lizards. Some organizations oppose their use. The CDC says not to use them. If a non-target animal is stuck, vegetable oil loosens the glue.
Ultrasonic and other electronic repellers
Extension researchers have found little evidence that ultrasonic, magnetic or vibrating devices chase out established rodents. The sound is directional, does not travel around furniture or through walls, and fades with distance. Rodents get used to repeated sounds, and any effect may last only a few days. Do not count on one of these to solve a problem.
Bait stations and the EPA rules for consumers
Federal rules changed what you can buy in a store. According to the EPA:
- Consumer products must come with a bait station. Products sold to homeowners hold one pound of bait or less, packaged in or with a ready-to-use station.
- No loose pellets. Pelleted baits are no longer permitted in consumer products. Consumer baits are blocks or paste.
- No second-generation anticoagulants for consumers. The stronger, longer-lasting anticoagulants are limited to professional and agricultural products. Consumer products use other active ingredients, such as bromethalin, chlorophacinone and diphacinone.
- Check where the station may go. Labels say either indoor use only, or indoor use plus outdoor use within 50 feet of a building. Where you can use a station depends on whether it resists tampering by children and dogs and whether it holds up to weather.
Some states go further. California, for one, bans most anticoagulant rodenticide uses. Check your state’s rules and always read and follow the label. Our guide to using pesticides safely covers storage and disposal.
Poison in the house can mean dead rodents in the walls. You cannot control where a poisoned rodent dies. If it dies in a wall void or under a floor, you may have an odor problem you cannot reach. That is a good reason to trap indoors and keep baits for outdoor perimeters or problems trapping cannot solve.
Anticoagulant risk to pets and wildlife
All rodent baits are toxic to dogs and cats. Anticoagulant baits work by stopping blood from clotting, and they build up in the rodent’s body over several days of feeding. A rodent that has eaten bait for days can carry more than enough to harm another animal. That creates a second route of harm: poisoning of pets and wildlife that eat poisoned rats and mice. Predators and scavengers are at risk, along with cats and dogs.
To lower the risk:
- Use tamper-resistant stations only, secured so they cannot be knocked over or carried off.
- Keep pets confined or away from bait areas.
- Pick up dead and dying rodents every day, wearing gloves.
- Remove leftover bait when the job is done.
- If a pet eats bait, call your veterinarian right away and have the product label handy. Vitamin K is the antidote for anticoagulant poisoning, so fast veterinary care matters.
What professionals use, and licensing
Pest control professionals have access to products homeowners cannot buy, including second-generation anticoagulants sold only in large containers to the professional market, and tracking powders that are restricted to licensed applicators. Zinc phosphide baits are restricted-use and typically limited to licensed applicators too.
Those tools are not always better for a home. A good professional starts with an inspection, seals entry points and uses traps where they make sense, with baits as one part of the plan. The EPA suggests you ask to see the company’s license, confirm it carries insurance and its employees are bonded, and contact your state pesticide regulatory agency if you have concerns. Our guide to choosing a pest control company has more questions to ask, and the rodent hub explains when a professional makes sense.
Which should you use?
- A few mice in the kitchen: snap traps along the walls and sealing with our rodent-proofing guide.
- Rats in the garage or basement: rat-size snap traps, pre-baited, plus sealing.
- You do not want to touch the trap: electronic traps.
- Rodents keep coming from outside after weeks of trapping: tamper-resistant bait stations along the exterior, following the label, or a professional.
- Kids or pets in the house: traps in covered boxes or out of reach. Skip glue boards. If you use bait at all, use tamper-resistant stations only and keep them outside living areas.
Sources
- Restrictions on Rodenticide Products. U.S. Environmental Protection Agency.
- Tips for Hiring a Rodent Control Professional. U.S. Environmental Protection Agency.
- How to Trap Up to Remove Rodents. Centers for Disease Control and Prevention.
- Pest Notes: House Mouse. University of California Statewide IPM Program.
- Norway Rat Damage Prevention and Control Methods. Internet Center for Wildlife Damage Management.