Silver Bullet Pest ControlDark, crumbly droppings piled in the attic, a smell that won't go away, or stains under a gable vent? Silver Bullet Pest Control cleans bat guano out of Scotch Plains homes with HEPA equipment, removes and replaces soiled insulation, treats the odor, and makes sure the bats are sealed out first so the mess doesn't come back.
4.9 stars on Google • NJ License 90568B • Licensed by NJ Fish & Wildlife • 15+ years • Hablamos español
Not sure if it's bat or mouse droppings? Text a photo to 973-510-2585 and we'll tell you.
Silver Bullet Pest Control does bat guano cleanup and sanitation in Scotch Plains, NJ: we confirm the bats are gone or seal them out on the dates New Jersey allows, then HEPA-vacuum the droppings, remove and replace soiled insulation, treat the odor and seal the entry points. Bat guano should never be swept or vacuumed with a household vacuum, because its dust can carry a fungus that causes the lung infection histoplasmosis. We serve Scotch Plains with visits scheduled ahead — call or text 973-510-2585 for a free quote.
The two get mixed up all the time, and the cleanup and the fix are different. Check these clues:
| Clue | Bat guano | Mouse droppings |
|---|---|---|
| Size and shape | Rice-sized or a little larger, irregular | Rice-sized, pointed at both ends |
| Crush test (with gloves and a stick) | Crumbles to dry powder with shiny insect bits | Stays firm or smears; no shiny bits |
| Where it piles up | In heaps under one roosting spot, below a gap or on a beam | Scattered along walls, in drawers, along pipes |
| On the walls | Often stuck to siding or under a vent | Rarely on walls |
| Stains | Greasy brown marks around a gap in the trim | Grease marks along floors and pipes |
| What else you notice | Squeaking at dusk, bats leaving the roof | Scratching at night, chewed food or wiring |
Mice instead? See droppings cleanup and sanitation and mice in the attic.
Guano isn't just messy. Built-up droppings in a closed attic cause three real problems:
Bats can also carry rabies. You won't catch it from dry droppings, but don't handle bats, and if a bat ever turns up in a room where someone was sleeping, keep it and call the health department about testing.
Don't go up and start sweeping. Leave the attic closed, keep the HVAC return away from it if you can, and call 973-510-2585.
Scotch Plains is mostly single-family homes — colonials, split-levels and ranches on wooded lots, with the Watchung Reservation along the north side of town and parks and golf courses mixed in. That's good bat country: plenty of insects at dusk over the woods, ponds and open lawns, and plenty of quiet attics nearby.
Where we usually find guano in homes like these:
Scotch Plains is in Union County, outside our core service area, so we schedule visits ahead. Same-day is sometimes possible, but plan on booking a day or more out.
Cleaning an attic while bats still live there wastes the work — the droppings come right back. New Jersey also limits when a colony can be sealed out:
| Time of year | Exclusion allowed? | What we do for cleanup |
|---|---|---|
| April 1 – 30 | Yes | Exclude the bats, then schedule cleanup |
| May 1 – July 31 | No — pups can't fly | Inspect and plan; cleanup waits until bats are out |
| August 1 – October 15 | Yes | The most common time to exclude and then clean |
| October 16 – March 31 | Only after an acoustic survey shows no bats | We run the acoustic survey ourselves, then seal and clean |
Bats already gone, or the colony moved out on its own? We confirm it, seal the gaps and go straight to cleanup. More on the exclusion side: licensed bat exclusion in NJ.
We check the attic, walls and roofline, confirm it's bat guano, measure how far it has spread and make sure no bats are still inside.
Gaps at the ridge, gables, soffits and chimney are closed so bats can't return once the attic is clean.
We suit up with respirators, contain the work area and keep the dust from reaching living space.
Droppings are removed with HEPA vacuums. Soiled insulation is bagged and taken out.
Surfaces are cleaned and treated for odor so the smell doesn't keep rising into the rooms below.
We install new insulation ourselves, so the attic is clean and the house holds heat again.
Need the entry points or wood repaired too? See wildlife damage repair.
When insulation is soiled, cleaning it isn't enough. We remove it, clean the attic floor and put down new insulation.
Once the insulation is out, we can reach the framing and treat the surfaces where bats roosted.
Sealing is what keeps the clean attic clean. We close every opening bats were using and check that nothing gets back in.
A paper dust mask doesn't stop fine fungal dust. Proper respirators and containment are needed.
Brooms and shop vacs blow guano dust into the air and through the house.
Cleaning before exclusion means the droppings come back, and disturbing bats in pup season is a problem.
Keep the attic door closed, don't store things up there, and photograph what you see for us.
A few dry pellets on a porch can be wetted down and wiped up with gloves on. Piles in an attic are a job for HEPA equipment.
We quote after an inspection — no guesses over the phone. These are what change the price:
| Factor | Smaller job | Bigger job |
|---|---|---|
| How much guano | A small pile under one gap | Droppings across most of the attic |
| Insulation | Clean, only spot removal | Full removal and replacement |
| Attic access | Walk-up attic, room to stand | Tight crawl attic or several sections |
| Bats | Already gone, gaps easy to seal | Active colony needing exclusion and a survey first |
| Odor | Mild | Smell in living space, urine in wood and drywall |
Call or text 973-510-2585 with a photo of what you're seeing for a free quote.
Tell us what you found — droppings, smell, stains — and send a photo. We'll confirm whether it's bats and schedule a visit.
🔒 Your info stays private · Hablamos español.
It can be. Disturbed guano releases dust that may carry the fungus behind histoplasmosis, a lung infection. That's why professionals use respirators, containment and HEPA vacuums instead of brooms or household vacuums. Leave the attic closed until it's cleaned properly.
Bat guano piles up under roosting spots and crumbles into dry powder with shiny insect pieces when crushed with a stick. Mouse droppings are firmer, pointed and scattered along walls. Text a photo to 973-510-2585 and we'll tell you which it is.
Not usefully. The bats would keep adding droppings, and New Jersey only allows a colony to be sealed out at certain times. We exclude the bats first on the allowed dates, seal the gaps, then clean so the attic stays clean.
Usually, if guano and urine have soaked into it. Soiled insulation holds odor and droppings and loses its insulating value. We remove it, clean and sanitize the attic, and install new insulation ourselves.
Most attic cleanups take one to a few days, depending on how much guano there is, the size and access of the attic, and whether insulation is being replaced. We'll give you a time estimate with the quote.
In most homes, yes. Removing the guano and soiled insulation takes out the source, and odor treatment handles what's left in the wood. Strong urine stains in drywall or wood may need extra work, which we'll point out during the inspection.
It depends on how much guano there is, whether the insulation needs full replacement, attic access and whether bats still need to be excluded. We give a free quote after seeing the attic rather than quoting a number blind.
Yes. Scotch Plains is in Union County, outside our core area of Bergen, Passaic, Essex and Hudson counties, so we schedule visits ahead. Same-day is sometimes possible, but plan on booking in advance.
It depends on your policy, and many policies exclude damage from animals. Call your insurance company and ask. We can give you photos and a written description of what we found and what we did.
Guano itself rarely falls through, but urine and odor can stain and soak drywall, and a heavy pile can sag a ceiling over time. Brown stains or a smell in the room below an attic are worth checking soon.
Sí. Sacamos el guano con equipo HEPA, reemplazamos el aislamiento y controlamos el olor. Llame o mande texto al 973-510-2585. Hablamos español.
We serve Scotch Plains and other Union County towns with scheduled visits, and cover Bergen, Passaic, Essex and Hudson counties from our base in Garfield.
Updated November 2026 by the Silver Bullet Pest Control team, Garfield, NJ • NJ License 90568B
