Mice aren’t just annoying - they’re a genuine hygiene and property risk. They contaminate food, chew wiring, and reproduce quickly (a single pair can turn into dozens in weeks). If you’ve noticed droppings, scratching sounds at night, or gnaw marks, you need a plan that works on three fronts: elimination, exclusion, and sanitation. Here’s a practical, no-nonsense guide.
1) Targeted Trapping (Fastest Way to Reduce the Population)
Trapping is the most reliable way to bring numbers down quickly - especially for small to moderate infestations.
What to use
- Snap traps (highly effective, quick kill)
- Electric traps (enclosed, cleaner handling)
- Live-catch traps (if you prefer release note: relocation success is limited)
How to place traps (this is where most people mess up)
- Put traps along walls, not in open spaces (mice hug edges)
- Focus on entry points, behind appliances, inside cabinets, and attic/basement edges
- Set multiple traps 1–2 meters apart in active zones
Best baits
- Peanut butter (high scent, doesn’t dry fast)
- Chocolate or hazelnut spread
- Oats mixed with a bit of oil
Pro tips
- Pre-bait (leave bait without setting the trap for 1–2 nights) if mice are cautious
- Check traps daily and reset promptly
- Wear gloves to avoid transferring human scent

2) Seal Entry Points (Stop the Problem at Its Source)
If you don’t block access, new mice will keep coming. Mice can squeeze through gaps as small as a coin.
Where to inspect
- Gaps around pipes, cables, and vents
- Cracks in walls or foundations
- Door thresholds and window frames
- Rooflines, attic vents, and garage edges
Materials that work
- Steel wool + sealant (mice can’t chew through metal fibers)
- Caulk or expanding foam for small gaps
- Metal mesh for vents and larger openings
- Door sweeps for exterior doors
Checklist
- Seal everything larger than ~6 mm
- Pay special attention to kitchen and utility areas
- Re-check after heavy rain or seasonal changes

3) Remove Food Sources & Make the Space Unattractive
Even a clean-looking home can offer easy calories. If food and shelter are available, mice will stay.
Food control
- Store all dry goods in airtight containers (not thin plastic bags)
- Clean crumbs immediately—especially under appliances
- Don’t leave pet food out overnight
- Take trash out regularly; use bins with tight lids
Habitat control
- Declutter storage areas (boxes, paper, fabrics = nesting material)
- Keep vegetation trimmed away from exterior walls
- Elevate items off the floor in garages and basements
Natural deterrents (supporting role)
- Peppermint oil on cotton balls near entry points (mild deterrent)
- Strong scents (clove, eucalyptus) may help—but don’t rely on them alone
What About Poison (Rodenticides)?
Use with caution. While effective, they come with serious risks:
- Secondary poisoning of pets or wildlife
- Mice may die in walls → odor issues
- Regulatory restrictions in many areas
If you consider this route, follow local regulations and prefer tamper-resistant bait stations. For most households, trapping + exclusion is safer and sufficient.
When to Call Professionals
Bring in pest control if:
- You see activity in multiple areas of the house
- Infestation persists after 2–3 weeks of trapping
- There are signs in attic, walls, or HVAC systems
- You suspect structural entry points you can’t access
Professionals can combine inspection, sealing, and targeted control more efficiently.

Quick Action Plan (48–72 Hours)
1. Day 1:Place 6–12 traps in active zones; remove accessible food sources
2. Day 2:Inspect and seal obvious gaps (pipes, cabinets, door sweeps)
3. Day 3:Reposition traps based on activity; deep-clean kitchen and storage areas
Repeat until captures drop to zero, then keep a few traps as monitoring devices.