1. Keep everyone away
Family members, tenants, staff and pets stay out while the crew plans the work and gets into protective equipment.
Greenmount West, Baltimore, MD · City of Baltimore
Stains and a sharp ammonia smell are coming through a ceiling in Greenmount West. 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.
Guano cleanup is the safe removal of bird and bat droppings from attics, barns, chimneys, roofs and ledges, along with soiled insulation, then disinfection of the affected area. Dust control is built into every step.
Guano is a respiratory risk, so your Greenmount West property gets containment, wet methods and protective gear, then disinfecting and inspection before the space is handed back to you. For City of Baltimore owners, call Greenmount West Biohazard Cleanup Help.
With roughly 44 inches of annual rainfall in Greenmount West, roof leaks and humid attics are common, and moisture makes droppings heavier and harder to remove. With a vacancy rate of 13% in Baltimore, unused structures often hold years of droppings by the time someone opens them up.
What bird & bat guano cleanup covers:
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.
Joists, rafters, ledges and walls are washed and disinfected, and stained areas are treated.
HEPA filtration clears the air, surfaces are disinfected, and the owner is walked through the result.
Bird & bat guano cleanup in Greenmount West, Baltimore, MD typically costs $500 to $9,000, depending on the size of the affected area and the materials involved.
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 |
Figures are planning ranges from Bat guano remediation cost guide, HomeAdvisor, not a price for any specific Greenmount West property. Price drivers include amount and depth of droppings, attic size, insulation removal, access. Call (877) 812-4220 any hour.
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.
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.
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.
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, 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.
See all biohazard cleanup services in Greenmount West, Baltimore, MD →
Call Greenmount West Biohazard Cleanup Help at any hour, including nights and weekends.
Call (877) 812-4220