1. Keep everyone away
Family members, tenants, staff and pets stay out while the crew plans the work and gets into protective equipment.
Stanford, CA · Santa Clara County
Opened a barn, loft or chimney in Stanford and found years of droppings? Stay clear and call (877) 812-4220. You get a crew that uses containment and HEPA-filtered equipment to remove it safely.
If anyone is in danger, call 911 first. For a suicide crisis, call or text 988.
Histoplasmosis is a lung infection linked to a fungus that can grow in soil enriched by droppings from birds and bats. Guano cleanup is designed to keep those spores from being breathed in.
If you are a homeowner, landlord or property manager in Stanford, CA, you can get bat and bird guano removal. Crews work at any hour in attics, lofts, rooftops, chimneys, balconies and warehouses across Santa Clara County. To start, call Stanford Biohazard Cleanup Help.
Only about 47% of homes in Stanford were built before 1980, but newer roofs, vents and soffits can still give bats and birds a way in. Most housing in Santa Clara County is occupied, with a vacancy rate of about 6%, but attics, chimneys and outbuildings can still go unchecked for years.
The work often covers:
Family members, tenants, staff and pets stay out while the crew plans the work and gets into protective equipment.
Plastic barriers seal the work zone, and technicians put on respirators and disposable suits.
Guano and soiled materials are taken out, and framing, floors and hard surfaces are cleaned and treated.
Remaining surfaces are disinfected, and the ammonia-like odor is treated at its source.
Bird & bat guano cleanup in Stanford, CA typically costs $500 to $9,000, depending on the size of the affected area and the materials involved.
The size of the affected area is the biggest factor. A small ledge is quick, while a whole attic or barn takes far more labor and material.
| Type of job | Typical range |
|---|---|
| Standard remediation | $1,500 - $4,000 |
| Full attic restoration | $4,500 - $9,000+ |
| Minor spot cleaning | $500 - $1,200 |
| Bat droppings cleanup in larger infestations | $600 - $8,500 |
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.
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.
Wet the droppings lightly, scrape them into a bag, then wash and disinfect the surface. Wear gloves, eye protection and a mask. Large roost areas, rooftops and enclosed spaces are best left to a team.
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.
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.
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.
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.
Tell the team what you found and it explains the next step.
Call (877) 812-4220