Marshall, WI · Dane County

Bird & Bat Guano Cleanup in Marshall, WI

Is bat guano in your attic safe to clean yourself? In Marshall, call (877) 812-4220 before you start. You can get a team that suppresses dust, removes soiled insulation and treats the odor.

  • Answered 24/7
  • Unmarked vehicles
  • OSHA bloodborne pathogen protocols
  • Insurance claim help

If anyone is in danger, call 911 first. For a suicide crisis, call or text 988.

Bird & Bat Guano Cleanup in Marshall, WI

Bat Guano Removal in Marshall, WI Attics and Barns

Bat guano removal is the careful collection of bat droppings, usually from attics and wall voids, using wet methods and containment. It protects people from dust that can carry fungal spores.

Need droppings removed without spreading dust in Marshall or across Dane County? You get cleanup technicians who use HEPA-filtered equipment and keep your family members, tenants and staff away from the work area. Call Marshall Biohazard Cleanup Help.

Most housing in Dane County is occupied, with a vacancy rate of about 4%, but attics, chimneys and outbuildings can still go unchecked for years. Summers in Marshall are milder, with July highs around 82 degrees, but guano in closed attics still dries and turns to fine dust over time.

The work often covers:

  • Cleanup of barns, lofts, silos, chimneys and old buildings with heavy guano buildup
  • Commercial guano cleanup on warehouses, storefronts, loading docks and parking structures
  • Documentation of the work for buyers, inspectors, landlords and insurers
  • Containment and wet removal of bat guano from attics, wall voids and rafters
  • HEPA-filtered vacuuming and air cleaning to capture fine dust after removal

How Crews Contain and Remove Guano in Marshall, WI

1. Walk through the space

A cleanup technician maps the droppings, stains and damaged insulation in attics, lofts or on rooftops.

2. Hold the dust down

Moisture and containment keep spores and particles from becoming airborne during removal.

3. Remove and disinfect

Guano and soiled materials are taken out, and framing, floors and hard surfaces are cleaned and treated.

4. Clean the air and surfaces

HEPA filtration clears the air, surfaces are disinfected, and the owner is walked through the result.

Bird & Bat Guano Cleanup Cost in Marshall, WI

Expect bird & bat guano cleanup in Marshall, WI to cost roughly $500 to $9,000, with the final price set after an on-site assessment.

Depth of the deposit changes the job. Thick, caked guano takes longer to wet and remove than a thin layer.

Type of jobTypical range
Standard remediation$1,500 - $4,000
Minor spot cleaning$500 - $1,200
Bat droppings cleanup in larger infestations$600 - $8,500
Full attic restoration$4,500 - $9,000+

Estimates only, not a quote. Sources: Bat guano remediation cost guide, HomeAdvisor. Price drivers include amount and depth of droppings, attic size, insulation removal, access. Call (877) 812-4220 to talk through the job.

Try the Marshall Biohazard Cleanup Cost Calculator →

What Marshall Property Owners Ask About Guano and Histoplasmosis

What is histoplasmosis?

Histoplasmosis is a lung infection linked to a fungus that can grow in soil and droppings from birds and bats. People are exposed by breathing in spores. Many exposed people have no symptoms, and anyone who feels unwell after being around guano should tell a doctor.

Can I clean a small amount of guano myself?

Sometimes. For a small spot, wear gloves, eye protection and a mask, wet the droppings lightly and wipe them up. Do not sweep or blow them dry. Thick, old or large deposits and attics are better left to a team.

Do barns and old buildings need special handling?

Buildings with years of buildup can hold thick, dry, dusty guano that is easy to disturb. Crews ventilate, wet down and use respirators and containment to keep spores out of the air.

Does guano cleanup stop bats or birds from coming back?

No. Cleanup removes the mess but does not block entry points. A wildlife professional can seal gaps and use deterrents. Removing droppings and odor does help, since scent can draw animals back.

Is guano dangerous?

It can be. Dry guano releases fine dust, and some bird and bat droppings can carry a fungus linked to histoplasmosis, a lung infection. Many people never get sick, but older, heavy deposits carry more risk. Avoid stirring it up.

What should I do first if I find guano?

Do not sweep, blow or vacuum it. Keep people and pets away and leave it undisturbed until you know the size of the job. Call Marshall Biohazard Cleanup Help at (877) 812-4220 to talk through the safest next step.

Need guano removed in Marshall?

Guano dust is easy to breathe in, so protection and containment come first.

Call (877) 812-4220
☎ Call (877) 812-4220