1. Safety first
The crew checks for weak flooring, tight access and other hazards, then sets up lighting, protective gear and containment.
Holmen, WI · La Crosse County
Stains and a sharp ammonia smell are coming through a ceiling in Holmen. Call (877) 812-4220. Cleanup technicians trace the guano above, remove it and treat the structure and air path.
If anyone is in danger, call 911 first. For a suicide crisis, call or text 988.
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.
For guano removal in Holmen, you get a clear sequence: isolate, suppress dust, remove, disinfect and inspect. Documentation is available for your inspectors, buyers and insurers in La Crosse County. Call Holmen Biohazard Cleanup Help to get started.
Only about 23% of homes in Holmen were built before 1980, but newer roofs, vents and soffits can still give bats and birds a way in. Most housing in La Crosse County is occupied, with a vacancy rate of about 5%, but attics, chimneys and outbuildings can still go unchecked for years.
The work often covers:
The crew checks for weak flooring, tight access and other hazards, then sets up lighting, protective gear and containment.
Guano is collected without sweeping or blowing, and bagged on site so it never crosses clean rooms.
Soiled insulation, stained cardboard and nesting debris go into sealed bags, and hard surfaces are scrubbed.
Remaining surfaces are disinfected, and the ammonia-like odor is treated at its source.
Bird & bat guano cleanup in Holmen, WI typically costs $500 to $9,000, depending on the size of the affected area and the materials involved.
Depth of the deposit changes the job. Thick, caked guano takes longer to wet and remove than a thin layer.
| Type of job | Typical range |
|---|---|
| Bat droppings cleanup in larger infestations | $600 - $8,500 |
| Standard remediation | $1,500 - $4,000 |
| Full attic restoration | $4,500 - $9,000+ |
| Minor spot cleaning | $500 - $1,200 |
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.
Yes, if birds or bats roost near vents or intakes, droppings and dust can enter air paths. Cleanup may include treating vent openings and nearby surfaces.
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.
Dry droppings turn to fine dust that floats in the air and can carry fungal spores. Sweeping or blowing sends that dust into the air where you breathe it. Wetting first keeps particles on the surface.
It depends on the size of the area, the depth of the deposit, how much insulation must come out and how hard the space is to reach. A small ledge costs less than a full attic. The team sets the price after seeing the space.
Often yes, once the guano and soaked materials are removed and the area is treated. Deep stains in wood or drywall may need extra treatment, and the crew can say what to expect.
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.
Call (877) 812-4220 any hour and describe where the droppings are.
Call (877) 812-4220