raccoon feces over a roof vent in east York

Raccoon Feces Over a Roof Vent in East York

The initial call to the property was for raccoon feces on the roof of the house. Raccoons are prone to defecating in places like this. They tend to go high up or very low down to defecate. The greatest danger of this feces is the worms that live in the raccoon’s digestive tract. Why the worms do not harm the raccoon but can kill any other animal is unknown. However, the danger is extreme. The worms shed millions of eggs a day and they can grow at a rapid rate. Getting just one egg in your body can lead to a mass of worms infecting every organ in your body. From your skin to your eyes to your brain. This is incurable and requires long-term hospitalization. Do not try to clean raccoon feces on your own. Hire a professional.

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Exterior Inspection 

The initial inspection of the home revealed a large number of raccoon feces from likely multiple raccoon latrines from over a year of defecation. The amount was shockingly large and cleaning and sterilization of the area are of the utmost importance. The danger of the raccoon roundworm even being on a roof especially near or on a roof vent can endanger your home by leaking raccoon roundworm eggs into your insulation. That would require full attic remediation with sterilization with a commercial-grade fogger.

roof vent covered in feces
The roof vent has been a long-standing latrine for a number of raccoons in the neighbourhood.

Initial Measures

The initial measures taken by the technician included removing the feces by spraying it with hospital-grade botanical sterilizers. Removing the feces and disposing of it off-site, the feces is a biohazard so t cannot go in the garbage. The area is then treated with one hundred degrees plus stream to kill the round work and then the hospital-grade botanical chemicals are sprayed again over the area. This process ensures the roundworm eggs are all dead.

clean roof vent
The roof vent and area around have been cleaned and sterilized.
The roof is also cleaned and sterilized
The roof is also cleaned and sterilized.


In conclusion, the customer was pleased that the area and her attic are safe and no longer in danger from raccoon roundworm. A deodorizer is used to reduce the smell but can also confuse the raccoon into not defecating in the area any longer. This is not a guarantee but can be effective.