The short version
Wildlife control involves humane removal of nuisance animals followed by exclusion (sealing entry points) to prevent re-entry. Professional help is often needed due to state regulations and safety concerns.
- Wildlife intrusions peak in spring (denning) and fall (seeking warmth).
- Common culprits: raccoons, squirrels, opossums, skunks, bats.
- Exclusion is the only permanent solution; trapping alone fails.
- Costs: removal $250–$600; full exclusion up to $2,500.
- State laws protect many species; handling requires a licensed pro.
If you hear scratching in the attic, find droppings in the garage, or have had a chimney cap damaged, you're in the right place. This guide is for homeowners, property managers, and landlords who have noticed signs of wildlife or want to prevent an infestation. We'll walk through every step—from identifying the intruder to sealing your home for good.
What to look for
Once inside, they cause real damage: raccoons tear ductwork, squirrels gnaw electrical wires (a fire risk), and bat guano corrodes wood and metal. Beyond damage, diseases like rabies (raccoons, skunks) and histoplasmosis (bat droppings) pose health threats. Droppings and urine also attract insects and create foul odors. The problem won't fix itself; animals often return unless entry points are sealed. Wildlife invades homes for the same reasons we love them: shelter, food, and safety. Attics offer warm, dry denning sites for raccoons raising young in spring. Chimneys mimic hollow trees—ideal for squirrels and chimney swifts. Bats sneak into gaps as small as 3/8 inch.
- 1Scratching, scurrying, or thumping sounds in walls, attic, or chimney at night (raccoons, squirrels) or dusk (bats).
- 2Droppings near entry points or in attics; raccoon droppings are large and tubular, bat guano crumbles easily.
- 3Tracks, rub marks, or grease stains on walls, rooflines, or downspouts.
- 4Damage to siding, soffits, roof vents, or chimney caps—chewed holes or loose materials.
- 5Strong, musky odors from urine or decomposing carcasses (e.g., after a trapped animal dies).
- 6Visible nests or denning materials like torn insulation, leaves, or trash in attic spaces.
- 7Scattered garbage or overturned compost bins (raccoons, opossums) near the home.
Why it’s worth acting soon
- Fire hazard: Squirrels and rats chew wire insulation, exposing live wires.
- Structural damage: Raccoons can rip off shingles, fascia, and vents to gain entry.
- Disease transmission: Rabies (raccoons, skunks, bats), leptospirosis (urine), histoplasmosis (bat guano), and salmonella (droppings).
- Secondary infestations: Dead animals attract flies, beetles, and scavengers.
- Higher repair costs: The longer animals stay, the more insulation, ductwork, and wiring they ruin—costs can double.
Treatment options and typical costs
Humane Live Trapping and Removal
$250–$600
Licensed technician sets cage traps near entry points or on roofs, baited with fruit, nuts, or pet food. Trapped animals are humanely euthanized or relocated per state law. Typically takes 2–5 days for common species.
- Time
- 1–2 weeks
- Best for
- Raccoons, skunks, opossums (single animals or small families).
Exclusion and Sealing
$500–$2,500
Permanent solution: all entry points are sealed with galvanized steel mesh, caulk, or foam. One-way doors allow animals to exit but not return. Includes chimney caps, vent covers, and soffit repair.
- Time
- 1–3 days
- Best for
- Any infestation after removal; essential for bats and squirrels.
Bat Colony Exclusion
$500–$2,000
Specialized exclusion for bats: sealed all gaps except a one-way exit tube. Tube left in place for 3–5 days during mild weather (not when young are flightless). After all bats exit, tube is removed and gaps sealed.
- Time
- 1–2 weeks
- Best for
- Bat colonies in attics or walls (requires timing to avoid pups).
Prices are typical published ranges. Ask what’s included before you compare quotes.
Crawl spaces are a favorite den. Check the vent screens and the access door.Understanding Wildlife Behavior in Spring and Fall.
During this time, removal must consider young animals—separating mothers from babies can lead to starvation and odor as they die. Professional exclusion often uses one-way doors that let mothers out but not back in, allowing her to relocate her young nearby. In fall (September to November), animals prepare for winter by seeking shelter. Squirrels may chew their way into attics, and raccoons may enter through damaged rooflines. This is also when chimney swifts (a protected bird) may nest; removal must wait until after fledging. Understanding these rhythms helps homeowners schedule inspections and repairs before peak seasons. Wildlife intrusions follow predictable seasonal patterns. In spring (roughly March to May), female raccoons, squirrels, and opossums seek warm, safe den sites to give birth and raise young. Attics and chimneys mimic hollow trees and rock crevices.
The Hidden Dangers of Animal Droppings and Urine.
Bat guano carries spores of Histoplasma capsulatum, which causes histoplasmosis, a lung infection that can be severe. Even dried droppings, when disturbed, can release infectious particles into the air. Beyond disease, urine soaks into insulation and wood, creating persistent odors that attract insects and other animals. Professional cleanup typically involves HEPA vacuuming, removal of contaminated insulation, and sanitization with an enzyme-based cleaner. In attics with heavy bat colonies, guano removal can cost $1,000–$3,000, but it's essential for a safe home. Accumulated wildlife waste is more than a nuisance—it's a serious health hazard. Raccoon droppings can contain raccoon roundworm (Baylisascaris procyonis), which is harmful to humans if ingested.
Walk the foundation with a flashlight. Gaps at ground level let animals under the house.Legal and Ethical Considerations in wildlife control.
Relocation is often prohibited because it can spread disease and disrupt local ecosystems. For example, in many states, trapped raccoons must be euthanized rather than released elsewhere. Humane treatment is also a legal and ethical requirement: animals must not be left to suffer or trapped in ways that cause prolonged distress. A professional wildlife control operator (WCO) knows the laws in your state and uses methods like one-way doors, live traps, and exclusion to resolve problems ethically. Attempting DIY removal can lead to fines, injury, or inhumane outcomes. Wildlife control is heavily regulated in the United States. Most states require a license to trap or remove many species, and some—like bats, flying squirrels, and certain birds—are protected under federal law (Migratory Bird Treaty Act, Endangered Species Act).
What affects the price
- Species: Raccoons cost more to trap than squirrels; bats require specialized exclusion.
- Infestation severity: A single animal vs. a family of 5 or a colony of 100 bats.
- Location of entry: Roof-level work costs more than ground-level; crawl spaces add time.
- Number of entry points: More holes = more materials and labor.
- Damage and cleanup: Insulation replacement, duct repair, and guano removal add $500–$1,500.
- Season: Spring (birthing season) may be busier and pricier; winter removals can be difficult.
- Your state's regulations: Some require non-lethal methods, which may cost more.
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What wildlife issue have you dealt with most often?
When to call for help
Also call if you have a large colony (bats, squirrels) or if the animal is protected (e.g., flying squirrels, certain bats). A no-charge inspection will identify the species, entry points, and best course of action. Call a professional immediately if you hear scratching in walls or attic, see a bat inside your living space, or find a raccoon in your chimney. Do not attempt to handle a potentially rabid animal.
What you can do yourself
Plus, most companies offer a workmanship warranty, so you don't pay for repeat visits. The cost of a pro—typically $250–$600 for removal—is far less than the damage a persistent animal can cause. Professionals have the tools (ladders, cameras, one-way doors) and experience to do it right the first time. Trapping requires knowledge of local laws (many species cannot be relocated), and improper sealing can trap animals inside to die, causing odor and secondary pests. But for active infestations, professional help is almost always needed. DIY wildlife control can work for simple prevention: secure trash cans, trim tree branches, and seal obvious gaps with caulk or steel wool.
Where you live matters
Across the United States, wildlife control needs vary regionally. In the Northeast, raccoons and squirrels are top nuisances, often entering through rooflines and chimneys in older homes. The Southeast sees more opossums and armadillos (which dig under foundations). In the Midwest, skunks are common under decks and sheds. The West Coast deals with roof rats in urban areas and bats in attics. The Southwest faces pack rats and javalina (peccary) issues. Regardless of region, the solution remains the same: humane removal followed by permanent exclusion. Most wildlife control companies offer no-charge inspection and can tailor their approach to local species and regulations. For example, companies in California must follow strict non-lethal guidelines, while Texas permits relocation of some species. Always verify that your provider is licensed and insured for your state.
Simple ways to keep wildlife away
- Install chimney caps and heavy-duty vent covers (steel mesh over plastic).
- Trim tree branches at least 6 feet from your roof to block squirrel highways.
- Seal gaps around utility lines, pipes, and vents with caulk or expanding foam (backed with steel wool).
- Secure garbage cans with locking lids and store them in a garage or shed.
- Remove bird feeders or place them far from the house; fallen seed attracts rodents and raccoons.
- Inspect your roof and foundation annually for loose shingles, rotted fascia, or cracks.
- Use motion-activated lights and sprinklers to deter nocturnal visitors.
Metal mesh keeps animals out of vents for good. Foam and light screen won't hold.Did you know?
Opossums are mostly immune to snake venom and can eat up to 5,000 ticks in a single season, helping reduce tick-borne disease risk.
Squirrels inadvertently replant thousands of trees each year by forgetting where they buried their acorns and nuts.
A single bat can eat up to 1,000 mosquitoes in an hour, but a colony in your attic can produce a ton of guano annually.
Questions people ask
What should I do if I find a bat in my bedroom?
a professional wildlife control operator immediately. If you think you or a pet may have been bitten, contact a doctor or vet for rabies assessment. Close the door and open a window to the outside. Do not try to capture it unless you are sure you can avoid being bitten.
How do I know if I have raccoons or squirrels in my attic?
Squirrels are active during the day and make scratching or scurrying noises. Raccoons often cause visible damage to roof edges, while squirrels enter through small holes near eaves. Raccoons are larger and make heavy thumping sounds, especially at night.
Can I legally relocate a trapped raccoon myself?
Relocation is often prohibited because it can spread diseases like rabies and disrupt local ecosystems. pest control pros follow state guidelines, which usually require euthanasia or release on the same property after exclusion. In most states, no.
What is the best way to seal a hole so animals can't get back in?
Secure it with screws and washers around the entire perimeter. For small gaps, copper mesh or stainless steel wool combined with expanding foam works well. Use 1/4-inch or 1/2-inch galvanized steel hardware cloth, not plastic mesh or caulk alone.
How much does it cost to remove a family of raccoons from an attic?
Exclusion and attic restoration (insulation, duct repair) can add $1,000–$2,500. Most companies offer no-charge inspection and payment plans. Removal typically costs $400–$600, including trapping and removal of the mother and young.
When is the best time to do bat exclusion?
Never exclude during June–July when flightless young may be trapped inside. A professional will time it correctly. Late summer to early fall (August to October), after pups are able to fly, or in early spring before maternity season.
Does feeding wildlife cause nuisance problems at home?
In Wildlife Inspection, nuisance wildlife is usually removed by trapping, then the entry points are sealed so the next animal cannot move into the same spot. In Wildlife Inspection, because many animals are protected by state rules, removal has to be done legally, and a written plan should spell out removal, exclusion, and cleanup.
Sources (10)
The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Wildlife Exterminator · Updated September 11, 2026 · How we write these guides