Wildlife and Nuisance Animal Control in New York: Squirrels, Raccoons, and More

Wildlife and nuisance animal control in New York encompasses the removal, exclusion, and management of wild animals that have entered or damaged residential, commercial, or public spaces. The state's dense urban environment — particularly in the five boroughs — combined with extensive suburban and rural habitat creates frequent conflict between human settlement and native wildlife. Understanding the legal framework, methods, and classification of animals involved is essential for property owners, tenants, and pest management professionals operating anywhere in New York State.

Definition and scope

Nuisance wildlife refers to any wild animal that causes property damage, poses a health or safety risk, or disrupts normal use of a structure or land. In New York, this category most frequently includes eastern gray squirrels (Sciurus carolinensis), raccoons (Procyon lotor), opossums, groundhogs, skunks, Canada geese, and white-tailed deer. Bats and certain bird species occupy a legally distinct category due to federal protections.

The New York State Department of Environmental Conservation (NYSDEC) regulates all wild animal activity under Environmental Conservation Law (ECL) Article 11, which governs wildlife management statewide. The NYSDEC classifies nuisance wildlife into two primary tiers:

1. Unprotected species — animals with no closed season and no permit required for removal on private property (e.g., house sparrows, European starlings, pigeons).
2. Protected species — animals requiring a Nuisance Wildlife Control Operator (NWCO) permit or specific NYSDEC authorization for capture or relocation (e.g., raccoons, squirrels, bats, Canada geese).

Bat removal is further governed at the federal level. All 9 bat species regularly found in New York are protected under state law, and some, such as the northern long-eared bat (Myotis septentrionalis), carry protections under the federal Endangered Species Act (U.S. Fish & Wildlife Service).

For an orientation to how pest and wildlife services fit within the broader pest management landscape, the New York Pest Authority homepage provides a structured entry point to all subject areas covered across the site.

Scope and geographic coverage: This page covers wildlife and nuisance animal control as governed under New York State law and applicable federal statutes. It does not cover wildlife management in neighboring states (Connecticut, New Jersey, Pennsylvania, Vermont, or Massachusetts), does not address agricultural pest management governed by the New York State Department of Agriculture and Markets, and does not apply to federally managed lands within New York where separate U.S. Fish & Wildlife Service or National Park Service rules govern. NYC-specific administrative code provisions may supplement but do not replace state law.

How it works

Licensed Nuisance Wildlife Control Operators hold permits issued by the NYSDEC. The NWCO permit system, established under 6 NYCRR Part 175, requires operators to complete training and pass a written examination before conducting wildlife removal for compensation. Property owners may trap certain species on their own land without a permit under specific conditions, but relocation of trapped animals is heavily restricted — transporting a live raccoon, for example, is prohibited without NYSDEC authorization due to rabies vector zone regulations.

The standard operational sequence for wildlife control follows this structure:

1. Inspection — Identify entry points, harborage areas, fecal evidence, and tracks to confirm species and population size.
2. Exclusion design — Map all structural gaps ≥ ¼ inch (the minimum entry size for a house mouse; squirrels require gaps ≥ 1½ inches).
3. Trapping or one-way devices — Deploy live traps or one-way exclusion doors that allow animals to exit but not re-enter.
4. Removal or euthanasia — Conduct under NYSDEC permit authority; relocation is permitted for select species under defined conditions.
5. Remediation — Sanitize contaminated areas, remove nesting material, and repair entry points to prevent reinfestation.

The conceptual overview of how New York pest control services work covers the broader service delivery framework within which wildlife control sits.

Common scenarios

Squirrel intrusion into attics: Eastern gray squirrels are the most reported nuisance species in suburban New York. They exploit roof-fascia gaps, damaged soffit, and utility line entry points. Structural damage from gnawing on electrical wiring presents a documented fire risk; the National Fire Protection Association (NFPA) identifies rodent gnawing as a contributing factor in residential electrical fires. A typical attic exclusion involves sealing all secondary entry points first, then installing one-way excluders at primary exits.

Raccoon denning in crawl spaces and chimneys: Raccoons are a primary rabies vector species in New York. The NYSDEC designates all 62 New York counties as rabies endemic zones. Raccoon roundworm (Baylisascaris procyonis) presents an additional human health hazard through fecal contamination; the CDC classifies Baylisascaris infection as a rare but potentially fatal larval migrans condition (CDC — Baylisascaris).

Groundhogs undermining foundations: Marmota monax burrow systems can extend 5 feet deep and 25 feet horizontally, destabilizing footings, retaining walls, and utility conduits. Removal typically involves live trapping followed by habitat modification.

Canada geese on commercial properties: Canada geese (Branta canadensis) are federally protected migratory birds under the Migratory Bird Treaty Act (MBTA, 16 U.S.C. §§ 703–712). Egg oiling, nest removal, and hazing programs require a USFWS Migratory Bird Depredation Permit.

Bat colonies in wall voids: New York State prohibits bat exclusion between May 1 and August 31 — the maternity season — to prevent trapping flightless pups inside structures. Exclusion outside this window uses one-way tube devices over entry points.

Decision boundaries

Licensed operator vs. property owner self-help: Property owners in New York may set live traps for squirrels and groundhogs on their own property without a permit. Raccoons, skunks, and bats require NWCO involvement due to rabies vector status and relocation restrictions. Any wildlife removal for compensation requires a current NWCO permit.

Exclusion vs. lethal control: Non-lethal exclusion is the preferred and legally defensible primary method for protected species. Lethal control is permitted for unprotected species and, under specific NYSDEC authorization, for certain protected species causing documented damage. The regulatory context for New York pest control services outlines the permit and compliance landscape in full.

Urban vs. rural operational context: NYC-based wildlife control operates under additional layers of oversight. The New York City Department of Health and Mental Hygiene (DOHMH) issues guidance on rabies exposure risk that overlaps with NYSDEC protocol. In rural counties, NYSDEC Regional Wildlife Managers have discretionary authority to issue emergency lethal control permits for deer, beaver, and coyote under ECL §11-0521.

Comparison — exclusion devices vs. live trapping:

Property owners navigating wildlife issues alongside insect pest problems will find relevant licensing information at New York Pest Control Licensing Requirements, and those dealing with wildlife intrusions in rental properties should review the obligations outlined at New York Tenant-Landlord Pest Control Obligations.

References

• New York State Department of Environmental Conservation — Wildlife
• Environmental Conservation Law Article 11 — Fish and Wildlife
• 6 NYCRR Part 175 — Nuisance Wildlife Control Operator Permits
• U.S. Fish & Wildlife Service — Northern Long-Eared Bat
• U.S. Fish & Wildlife Service — Migratory Bird Treaty Act
• CDC — Baylisascaris Infection
• National Fire Protection Association (NFPA)
• New York City Department of Health and Mental Hygiene — Rabies