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Mice & Rats in New Jersey: Your Questions Answered
These are real questions New Jersey homeowners ask Google and AI assistants about mice and rats, with straight answers from our rodent team.
- A mouse can fit through a hole about the size of a dime
- Mice move indoors most in fall when it gets cold
- Trapping clears today’s mice — sealing stops the next ones
- Older homes have the most entry points
- Emergency help available for a rat in the house
Who can seal my house so mice can’t get back in?
A pest control company that does rodent exclusion. Silver Bullet Pest Control inspects the outside and inside of the home, seals entry points with materials mice can’t chew through, and removes the mice already inside. See rodent control and exclusion or call 973-510-2585.
What should I do if I hear scratching in the walls at night?
Scratching or running in walls or ceilings at night usually means mice or rats, because they are most active after dark. Look for droppings under sinks, behind the stove and in the attic or basement, and don’t put poison inside the walls — a rodent that dies there can smell for weeks. See mice in walls.
Can I get emergency help if I see a rat in my kitchen?
Yes. Call or text 973-510-2585 and we will give you the soonest time. Until we arrive, put food in sealed containers, pick up pet food and close off the room if you can. A rat in the kitchen usually means an opening under a sink, behind an appliance or around pipes.
Why do older homes get mice so often?
Older homes have more ways in: settled foundations, gaps around old pipes and wires, worn door sweeps, loose siding and open spots at the roofline. That’s why older homes do best with a full exclusion job that checks the whole outside, not just traps.
How can I tell if I have mice or rats?
Look at the droppings. Mouse droppings are small, about the size of a grain of rice; rat droppings are much bigger, about half an inch to three quarters of an inch. See mice vs. rats.
Does one mouse mean more?
Usually, yes. Mice breed quickly, so seeing one often means there are others nearby. See does one mouse mean more.
From our jobs
Where we work
More help on this topic
- Rodent control
- Rodent exclusion
- Mice in walls
- Mice in the attic
- Mice vs. rats
- Where are mice coming from?
- Does spray foam stop mice?
- Dead mouse smell in the house
- Get rid of rats permanently
- Commercial rodent control
Towns we serve within 10 miles of Garfield
- Garfield, NJ
- Lodi, NJ
- Elmwood Park, NJ
- Saddle Brook, NJ
- Wallington, NJ
- Clifton, NJ
- Passaic, NJ
- Hackensack, NJ
- Hasbrouck Heights, NJ
- Wood-Ridge, NJ
- Rochelle Park, NJ
- Paramus, NJ
- Maywood, NJ
- Fair Lawn, NJ
- Paterson, NJ
- Totowa, NJ
- Little Ferry, NJ
- Moonachie, NJ
- Carlstadt, NJ
- East Rutherford, NJ
- Rutherford, NJ
- Lyndhurst, NJ
- Teaneck, NJ
- Bogota, NJ
- River Edge, NJ
- Nutley, NJ
- Belleville, NJ
- Glen Rock, NJ
- Hawthorne, NJ
- Ridgefield Park, NJ
- Woodland Park, NJ
- Little Falls, NJ
- Ridgewood, NJ
- Oradell, NJ
- Bergenfield, NJ
- Englewood, NJ
- Leonia, NJ
- Secaucus, NJ
- North Arlington, NJ
- Kearny, NJ
- Bloomfield, NJ
- Haledon, NJ
- Prospect Park, NJ
- Wayne, NJ
Also serving within 20 miles
- Fort Lee, NJ
- Edgewater, NJ
- Cliffside Park, NJ
- Fairview, NJ
- Ridgefield, NJ
- Palisades Park, NJ
- Englewood Cliffs, NJ
- Tenafly, NJ
- Cresskill, NJ
- Demarest, NJ
- Closter, NJ
- Alpine, NJ
- Norwood, NJ
- Northvale, NJ
- Harrington Park, NJ
- Old Tappan, NJ
- River Vale, NJ
- Haworth, NJ
- Dumont, NJ
- New Milford, NJ
- Emerson, NJ
- Westwood, NJ
- Washington Township, NJ
- Hillsdale, NJ
- Woodcliff Lake, NJ
- Park Ridge, NJ
- Montvale, NJ
- Upper Saddle River, NJ
- Saddle River, NJ
- Ho-Ho-Kus, NJ
- Waldwick, NJ
- Allendale, NJ
- Ramsey, NJ
- Mahwah, NJ
- Midland Park, NJ
- Wyckoff, NJ
- Franklin Lakes, NJ
- Oakland, NJ
- North Haledon, NJ
- Pompton Lakes, NJ
- Wanaque, NJ
- Bloomingdale, NJ
- Riverdale, NJ
- Butler, NJ
- Kinnelon, NJ
- Lincoln Park, NJ
- Pequannock, NJ
- Montville, NJ
- Boonton, NJ
- Parsippany, NJ
- East Hanover, NJ
- North Bergen, NJ
- Guttenberg, NJ
- Weehawken, NJ
- Harrison, NJ
- East Newark, NJ
- Newark, NJ
- Glen Ridge, NJ
- Montclair, NJ
- Verona, NJ
- Cedar Grove, NJ
- North Caldwell, NJ
- Caldwell, NJ
- West Caldwell, NJ
- Essex Fells, NJ
- Roseland, NJ
- Fairfield, NJ
- Livingston, NJ
- South Orange, NJ
- Maplewood, NJ
- Orange, NJ
Other questions we answer
- Pest control in New Jersey
- Cockroaches and water bugs
- Bed bugs
- Wasps, hornets and yellow jackets
- Termites
- Wildlife: raccoons, squirrels, bats, birds
- Spiders, fleas, ticks and flies
- Borax, boric acid and DIY pest control
Questions answered
Is rat poison or traps better?
Inside the home, traps are usually the better choice because you remove the rodent and avoid dead-animal smells. See rat poison vs. traps.
Does spray foam stop mice?
Not by itself — mice can chew through plain foam. Gaps should be packed with metal mesh or similar material first. See does spray foam stop mice.
How do I clean up mouse droppings safely?
Don’t sweep or vacuum dry droppings. Wet them with disinfectant first, wear gloves and wipe them up. See mouse droppings cleanup.
Do you handle restaurants and commercial buildings?
Yes. See commercial rodent control.
Schedule today
Call 973-510-2585, text us or request a free quote online. Silver Bullet Pest Control serves homes and businesses across North Jersey.
Updated October 2026. Written by the Silver Bullet Pest Control team — licensed and insured New Jersey pest control based in Garfield, NJ.