Animal waste and pet hoarding cleanup

What this involves

Heavy animal waste problems build slowly. A tenant leaves pets in a unit, an older owner can no longer keep up with several cats, or a home is used to keep far more animals than it can support. The result is layers of feces and urine in carpet, on subfloor and up walls, litter spread through rooms, soiled bedding, and an ammonia level that can be overpowering. Rodents and insects often follow. In animal hoarding situations, there may also be animal remains. Rental units where a tenant kept pets without permission are a common version of this problem. The damage is usually concentrated in corners, closets, along walls and under furniture, where animals return to the same spots and urine soaks through to the subfloor.

Why professional remediation matters

The risks go beyond odor. High ammonia levels irritate eyes, skin and airways. Dried feces, litter and dander become airborne when disturbed. Cat feces can carry the parasite that causes toxoplasmosis, which is a particular concern for pregnant people and anyone with a weakened immune system, and other animal waste can carry bacteria and parasites. Professional crews use respiratory protection suited to ammonia and dust, remove soiled materials instead of trying to wash them, and work in an order that does not spread waste into clean areas. In animal hoarding cases, flea and insect activity, rodents attracted by food and waste, and soft materials full of dander add to the job. Furniture, mattresses and stored items in these homes often cannot be saved.

What to avoid before help arrives

• Do not stay in a closed room with a strong ammonia smell. Leave and ventilate if you can do so safely.
• Pregnant people and people with weakened immune systems should not handle litter or animal feces.
• Do not dry-sweep or use a household vacuum on dried waste and litter.
• If animals are still in the home and need help, contact your local animal control or humane society before cleanup starts.

How the work is done

1. Animals first. We confirm all live animals have been removed and placed by the owner, animal control or a shelter before work begins.
2. Assessment. We check ammonia levels, flooring, wall bases and furniture, and identify any animal remains.
3. Gross removal. Waste, litter, soiled bedding and disposable items are removed and bagged using dust-controlling methods.
4. Material removal. Carpet, pad, and drywall edges saturated with urine are removed; damaged subfloor is flagged.
5. Clean, disinfect, seal. Remaining surfaces are cleaned, disinfected, and sealed once dry to block residual odor.
6. Final check. Odor and surfaces are rechecked, and we list what needs to be replaced.

Waste handling

Animal waste and soiled materials are bagged and disposed of as solid waste in line with local rules. Animal remains are handled separately.

Afterward

Units with long-term animal waste often need new subfloor in some rooms. Where animal hoarding was involved, people often need support too; a social worker, doctor or local agency can help reduce the chance it happens again. Landlords should keep before-and-after photos and the written scope with the tenant file in case pet damage charges are disputed.

Rules that apply in Tennessee

• OSHA Respiratory Protection Standard 29 CFR 1910.134 · checked 2026-11-03

Where we provide this service

Throughout our Middle Tennessee service area, including:

• Nashville
• Murfreesboro
• Clarksville
• Franklin

Related

• Urine contamination cleanup
• Hoarding cleanup with biohazards
• Animal remains removal and odor cleanup

Questions