1. Keep everyone away
Family members, tenants, staff and pets stay out while the crew plans the work and gets into protective equipment.
DeForest, WI · Dane County
If an inspector, buyer or contractor in DeForest needs guano cleaned and documented before work continues, call (877) 812-4220. You get bird and bat droppings removal and a summary of the work.
If anyone is in danger, call 911 first. For a suicide crisis, call or text 988.
Bat and bird guano remediation is the full job of removal, disinfecting and deodorizing after animals have been excluded. It often precedes insulation replacement, repairs and sealing of entry points by other trades.
Need droppings removed without spreading dust in DeForest 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 DeForest 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. Only about 23% of homes in DeForest were built before 1980, but newer roofs, vents and soffits can still give bats and birds a way in.
A typical bird & bat guano cleanup job includes:
Family members, tenants, staff and pets stay out while the crew plans the work and gets into protective equipment.
Technicians put on respirators and suits, then lightly wet the guano to keep fine particles from rising.
Guano and soiled materials are taken out, and framing, floors and hard surfaces are cleaned and treated.
The owner receives a summary of the work for buyers, inspectors or insurers, and the area is cleared for use.
Most bird & bat guano cleanup jobs in DeForest, WI cost between $500 and $9,000, based on published cost guides.
Access matters. Steep roofs, tight crawl spaces, low-clearance attics and high ledges require extra safety setup and time.
| Type of job | Typical range |
|---|---|
| Full attic restoration | $4,500 - $9,000+ |
| Standard remediation | $1,500 - $4,000 |
| Minor spot cleaning | $500 - $1,200 |
| Bat droppings cleanup in larger infestations | $600 - $8,500 |
These ranges come from published cost guides (Bat guano remediation cost guide, HomeAdvisor) and are not a quote for DeForest. Price drivers include amount and depth of droppings, attic size, insulation removal, access. For a real number, call (877) 812-4220.
Roof and high ledge work needs fall protection and care around other people. Crews can remove and wash droppings there, and a property manager or owner can set up access.
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.
The odor comes from droppings and urine soaked into wood and insulation, so the fix is removing the source and treating surfaces. Air fresheners only cover it. Deep stains in wood may need extra treatment.
Yes. Droppings are acidic and can stain and wear down paint, metal and roofing over time. They also clog gutters and drains and create slip hazards on walkways. Cleanup and deterrents work best together.
Worker safety follows OSHA rules for hazardous dust, and waste disposal is handled according to local requirements. Rules about moving or excluding bats and other wildlife can vary by species and season, so check with a wildlife professional first.
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.
Call (877) 812-4220 any hour and describe where the droppings are.
Call (877) 812-4220