The short version
Trap the ones inside, then seal the gaps. An inspection usually costs $75–$250.
- Look for droppings, gnaw marks and night-time scratching.
- Around Hudson, mice usually start moving indoors in September and October, as nights get colder.
- Traps remove them; sealing keeps them out.
- Never sweep or vacuum droppings dry.
Anyone in Hudson dealing with mice or rats, or hoping to keep them out.
What to look for
A mouse fits through a gap the size of a dime. Seeing one in daylight usually means there are more. Rodents are mostly unseen. You hear them at night and find droppings by morning.
- 1Droppings in drawers, pantries, under sinks, or along walls.
- 2A musky or ammonia-like smell in closed rooms.
- 3Dead-animal odor that appears and slowly fades.
- 4Small dark droppings on top of the water heater.
- 5Pipe gaps stuffed with debris or looking chewed wider.
- 6Greasy rub marks along baseboards, beams, and pipe runs.
Why it’s worth acting soon
- Mice breed fast, every few weeks.
- Droppings and urine contaminate food and insulation.
- Gnawed wiring can be a fire risk.
- Nests and odor get harder to clean the longer they stay.
Treatment options and typical costs
Inspection and Entry-Point Mapping
$75–$250
Skipping this step is why so many homeowners buy traps twice. A proper Hudson inspection finds the gap you cannot see from the ground, usually up high or under the deck.
- Time
- 60–90 minutes
- Best for
- Every job; nothing else works without it
Follow-Up Monitoring
$50–$150 per visit, or included in a plan
Many include one or two follow-up visits. Beyond that, monitoring becomes a quarterly plan, which makes sense mainly for Hudson homes with steady outdoor pressure.
- Time
- 20–40 minutes per visit
- Best for
- Confirming the house stays clear after treatment
Tamper-Resistant Exterior Bait Stations
$100–$300 setup, $40–$80 per service visit
Rodenticides are regulated, and some products are restricted to licensed applicators. Ask which product they use. Ask how they protect pets and wildlife.
- Time
- 30–45 minutes per visit, ongoing
- Best for
- Outdoor rat pressure; ongoing perimeter protection
Snap-Trap Program
$150–$400 per visit
Snap traps remain the workhorse for rodents inside Hudson homes because a caught rodent is proof, not a guess. A Hudson pro sets many traps along walls and runways, then returns to check, reset, and remove.
- Time
- 30–60 minutes per visit, 2–4 visits
- Best for
- Active indoor infestations; fast results you can see
Prices are typical published ranges. Ask what’s included before you compare quotes.
Cardboard boxes make easy nests and the gap under an overhead door makes an easy entrance. Plastic bins and a fresh door seal fix both.Which rodents live around Hudson.
They burrow along foundations and enter low. Norway rats are the other usual suspect. They're small, curious and breed quickly. House mice are the most common rodent in Hudson homes.
When they move in.
Check for gaps before then. Spring is breeding season. Small problems grow fast.
A metal vent cover with a working flap keeps mice out all winter. Plastic flaps crack in the cold and get chewed open.How they get into houses here.
Homes from Hudson out to Nashua and Merrimack share the same weak spots, so the checklist below works across the area. Window wells need covers or screens. Look at the dryer vent flap. Check where pipes and cables enter. Rodents use gaps around utility lines, dryer vents and window wells. Plenty of homes in Hudson have basements.
A year of rodents in Hudson.
- Fall: mice move indoors as nights cool. Seal gaps in September. - Winter: with lows near 15°F in Hudson, check the attic, garage and pantry for droppings. - Spring: breeding season. Act on any sign quickly. - Summer: with highs around 83°F in Hudson, rodents look for water. Fix drips and leaks.
Mice or rats?
- Droppings: mouse droppings are rice-sized. Rat droppings are two or three times bigger. - Holes: mice chew dime-sized holes. Rats chew holes closer to quarter-sized. - Sounds: mice sound light and quick. Rats sound heavier. - Behavior: mice are curious about new traps. Rats avoid them for days. - Rub marks: rats leave greasy smudges along walls and beams.
Sealing small gaps yourself.
- Steel wool or copper mesh: pack it into small gaps first. - Sealant or mortar: cover the mesh so it stays put. - Hardware cloth: use quarter-inch mesh over vents and larger holes. - Door sweeps: close the gap under garage and exterior doors. - Expanding foam: fine on top of mesh, useless on its own. - Check your work: daylight through a gap means it isn’t sealed.
Cleaning up droppings safely.
- Air the room out for 30 minutes first. - Wear rubber or plastic gloves. - Spray droppings with a bleach solution, then wait five minutes. - Wipe up with paper towels and bag them. - Don’t sweep or vacuum droppings dry. It stirs up dust. - Wash your gloved hands, then your hands.
What happens at an inspection.
Most inspections take about an hour. The inspector walks the outside first. They check the foundation, vents, rooflines and utility gaps. Inside, they check the kitchen, garage and attic. You should come away with a list of entry points. Photos help.
Rodents in the car.
Mice and rats nest in engine bays and chew wiring. Park in a closed garage when you can. Check the air filter box for nesting. Clear birdseed and pet food from the garage.
Bird feeders and rodents.
Spilled seed feeds mice and rats. Use a seed tray and sweep up spills. If rodents show up, bring feeders in at night. Store seed in a metal can with a tight lid.
Questions to ask before you sign.
- Where are they getting in? - Which gaps will you seal, and with what? - How many trap visits are included? - What happens if they come back? - Is cleanup included, or extra? - Will you use poison inside? (Ask them not to.)
Rodents by the numbers.
Around Hudson, ask any provider to show you the entry points and the plan before you compare numbers. Around Hudson, those three findings — species, entry points, and scale — are what a quote should be built on, not a regional average. Around Hudson, what actually matters is a walk-through: where the droppings are, how the rodents are getting in, and how large the colony is. National surveys set rough expectations but cannot diagnose one house.
What affects the price
- Outdoor pressure from creeks, alleys, or restaurants nearby.
- Emergency or short-notice scheduling.
- Follow-up visits included versus billed separately.
- Exterior bait stations and ongoing service frequency.
- Number of trapping visits needed to reach zero.
- Number of entry points found during inspection.
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What's your biggest concern about rodents?
When to call for help
Attic cleanup is hard to do safely without training. They take a longer, more careful approach. Call right away if you see rats. So is a dead-rodent smell. Droppings in several rooms are another sign. Call if you hear them in the attic or walls.
What you can do yourself
Seal small gaps with steel wool and sealant. Rooflines, vents and attics are harder. That's where a pro's sealing work pays off. Start tonight with snap traps along the walls. Bait them with peanut butter. Store food in sealed bins.
Rodents in Hudson
A typical home in Hudson is worth around $430k, and chewed wiring or soiled insulation can get expensive. In Hudson's neighborhoods, woodpiles, fences, bird feeders and gardens draw rodents close to the house. Winter lows average around 15°F in Hudson, and that cold is what sends mice looking for a way in. With about 44 inches of rain a year, Hudson gives rodents plenty of water, so food and shelter are what you control.
Local research
Rodents in Hudson, NH: what the public record shows
Before you compare quotes, it helps to know which rodents actually live in New Hampshire, when they are busiest around Hudson, and what the state figures look like. Everything below links to the agency or university page it came from.
Wildlife tested that had rodenticide exposure
Necropsies at the NH Veterinary Diagnostic Laboratory found exposure statewide, often to long-acting second-generation anticoagulants.
University of New Hampshire ExtensionDays from a lethal anticoagulant dose to death
Rodents keep feeding after taking a lethal dose, so carcasses carry far more poison than one dose to hawks, owls and pets.
University of New Hampshire ExtensionRodent species recorded in New Hampshire
- House mouse (Mus musculus) — Enters at 1/4 inch; 5-10 litters per year; eats about 200 small meals a night.
- Norway rat (Rattus norvegicus) — Burrowing rat of basements, sewers and ground floors; tail shorter than head plus body.
- Deer mouse (Peromyscus maniculatus) — Primary U.S. hantavirus carrier; lives throughout Washington and the interior West.
When rodents are busiest around Hudson
Fall entry; winter infestations. Upper Midwest and Northeast: mice in walls and garages all winter.
Based on Hudson’s humid continental climate profile.
UNH Extension pushes trapping and exclusion over bait because of documented secondary poisoning in New Hampshire raptors.
For context, nationally
- 1/4 inch (the width of a pencil) — Smallest gap a mouse can enter. CDC
- 890; 35% fatal; 94% west of the Mississippi — Hantavirus cases reported since 1993 (through 2023). CDC
Sources: University of New Hampshire Extension; CDC; Pest Notes: House Mouse; Pest Notes: Rats; Hantavirus. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep rodents away
- Store pet food and birdseed in sealed metal containers.
- Keep ivy, shrubs, and firewood away from the foundation.
- Keep garbage in lidded cans and pick up fallen fruit.
- Seal every gap larger than a quarter inch with metal mesh.
- Check crawlspace doors and vents for chewed openings each fall.
- Fill gaps around pipes, cables, and AC lines with copper mesh.
After sealing, a few monitors or unset traps left along the walls tell you whether anything is still getting in before you hear it again.Did you know?
Male house mice sing ultrasonic songs that humans can't hear.
Around Hudson, rats are strong swimmers and can tread water for a long time, which is why they sometimes travel sewer lines.
Questions people ask
Are snap traps better than poison?
Bait belongs in locked stations outside. Poisoned rodents can die inside walls and smell for weeks. Traps let you confirm the catch and remove it. Indoors, usually yes.
What is rodent-proofing and why does it cost so much?
It's also the part that keeps them out. A mouse fits through a dime-sized gap, so it's slow work. It means sealing every gap with metal mesh and sealant.
How do I choose a rodent control company?
A good company talks about sealing, not just traps. Ask what happens if rodents come back. Ask how they seal gaps and what materials they use. Make sure they're licensed in New Hampshire.
Is it safe to clean up droppings myself?
Never sweep or vacuum them dry. Wait five minutes, then wipe up with paper towels. Wear gloves and spray the droppings with a bleach solution. For small amounts, yes, with care.
What should be in a rodent control quote?
Cleanup should be listed separately. It should say what happens if they return. Entry points, sealing materials and the number of trap visits.
How many homes have a full rodent infestation?
As you collect quotes in Hudson, ask each company what they usually run into in your neighborhood. homeowners told a September 2022 Harris Poll for the National Pest Management Association (NPMA) that they had dealt with an infestation of multiple rodents at some point. Fourteen percent of U.S.
Which parts of the U.S. have the most rodent problems?
Census Bureau's 2019 American Housing Survey (AHS), Pennsylvania's largest metro exceeded Arizona's by 15.8 percentage points in the share of occupied homes reporting rodent signs (18.9% versus 3.1%). Calculated from the published figures of the U.S. Older, denser metros in the Northeast report far more.
Are rodents a problem in Hudson?
They're common here, as almost everywhere. House mice cause most problems.
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Sources (11)
The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Rodent Exterminator · Updated September 11, 2026 · How we write these guides