1. Safety first
The crew checks for weak flooring, tight access and other hazards, then sets up lighting, protective gear and containment.
Mondawmin, Baltimore, MD · City of Baltimore
Found a thick layer of droppings in a Mondawmin attic or barn? Do not stir it up. Call (877) 812-4220 any hour and get a cleanup team to contain and remove guano, soiled insulation and nesting debris, then disinfect.
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.
If you are a homeowner, landlord or property manager in Mondawmin, Baltimore, MD, you can get bat and bird guano removal. Crews work at any hour in attics, lofts, rooftops, chimneys, balconies and warehouses across City of Baltimore. To start, call Mondawmin Biohazard Cleanup Help.
With a vacancy rate of 13% in Baltimore, unused structures often hold years of droppings by the time someone opens them up. Many homes in Baltimore, about 82%, were built before 1980. Older insulation and wood framing soak up droppings and hold the smell.
A typical bird & bat guano cleanup job includes:
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.
Droppings are wetted, scraped and collected, and insulation that cannot be cleaned is cut out and bagged.
Remaining surfaces are disinfected, and the ammonia-like odor is treated at its source.
Most bird & bat guano cleanup jobs in Mondawmin, Baltimore, MD cost between $500 and $9,000, based on published cost guides.
How much insulation must come out adds to the work. Insulation soaked with guano is removed and bagged, and large attics produce a lot of waste.
| Type of job | Typical range |
|---|---|
| Full attic restoration | $4,500 - $9,000+ |
| Minor spot cleaning | $500 - $1,200 |
| Bat droppings cleanup in larger infestations | $600 - $8,500 |
| Standard remediation | $1,500 - $4,000 |
Published ranges only (Bat guano remediation cost guide, HomeAdvisor); every bird & bat guano cleanup job in Mondawmin is priced after an on-site look. Price drivers include amount and depth of droppings, attic size, insulation removal, access. Questions? Call (877) 812-4220.
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.
Usually, if droppings or urine have soaked into it. Soiled insulation holds contamination and odor and cannot be reliably cleaned. After removal, new insulation is installed as a separate job.
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 animals come out first. Wildlife professionals handle exclusion, and rules about bats can vary by species, season and place. Cleanup follows once the space is no longer in use by animals.
Yes. Insulation soaks up droppings, urine and odor and rarely comes back clean, so soiled insulation is usually removed and replaced. A team can tell you how far the damage goes after seeing the attic.
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Tell the team what you found and it explains the next step.
Call (877) 812-4220