Home/Wildlife Control/Denver, CO

Wildlife Control in Denver, CO

Raccoons in the attic, squirrels in the soffit, a skunk under the deck: nuisance wildlife in Denver tends to announce itself at odd hours. This page covers the signs, what removal involves, and what it typically costs in Denver, Colorado. It also covers when to bring in a licensed provider. Raccoons establish communal latrines, often on flat roofs, in attics, or at the base of trees.

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Quick answer

Most wildlife problems in Denver end with a repair, not a recurring contract. Get an inspection, remove the animals, seal the roofline with steel, and have the Denver provider re-check in a few weeks.

Key Takeaways

→No poison or spray belongs on a wildlife invoice in Denver, Colorado.
→Spring litters make waiting expensive; act on Denver attic noises within the week.
→Never seal an opening in Denver until a provider confirms no animals or young remain inside.
→Identify the species first; every removal method in Denver depends on it.
→For Denver readers, one number to remember: For a homeowner, animals nesting on the property was a common complaint: 28.8% of the 859 wildlife-affected northeastern Illinois households in the Illinois Natural History Survey's (INHS) 2012 survey (reported 2013) cited it, a regional multi-select figure rather than a national rate.
→For Denver readers, one number to remember: the Illinois Natural History Survey's 2000 survey of homeowners in a large northeastern Illinois metro region, reported in 2001, found 52% wanting direct help from the Illinois Department of Natural Resources (IDNR), fewer than the 73% who wanted information; the results are local and dated.

Metal mesh and sealant around an exterior pipe penetration

Who This Is For

This guide is for homeowners, property managers, and landlords in Denver who are dealing with nuisance wildlife or want to prevent it. Whether you're hearing noises in the attic, seeing droppings in the garage, or noticing chewed wires, this page will help you understand the problem, your options, and what professional wildlife control looks like locally.

51.8%

Wildlife-affected NE Illinois households: digging/burrowing (INHS, 2013)

Source: Illinois Natural History Survey: homeowners and wildlife

49.3%

NE Illinois private wildlife-service users rating it excellent (INHS, 2013)

Source: Illinois Natural History Survey: homeowners and wildlife

30%

Pest-control payers who spent $1,001–$5,000 (ConsumerAffairs, 2024)

Source: ConsumerAffairs household infestation survey

The Problem

Birds cause trouble in Denver in two places: vents and ledges. Starlings and sparrows pack dryer and bathroom vents with nesting material that blocks airflow and can ignite in Denver, Colorado, while pigeons foul ledges and rooftop units with droppings that corrode metal and stain masonry. Squirrels rarely die inside walls, but young that fall into a wall void cannot climb out.

Warning Signs

•A dirt mound and burrow hole beside a shed or slab
•Birds flying repeatedly into a soffit or vent opening
•Insulation pulled out onto the roof around an opening
•A hole with chewed edges near a roof return
•Heavy thumping or walking sounds in the attic at night
•Skunk odor strongest at dawn near a deck or porch

Risks of Waiting

⚠Rabies, though rare, can be carried by raccoons and skunks
⚠Animals sealed inside die and create lasting odors
⚠Fleas, ticks, and mites hitch in on nesting animals
⚠Torn ductwork leaks heated and cooled air into the attic

✅

Do you have a wildlife problem?

Have you seen the pest or its droppings indoors?Is the activity getting worse week over week?Have you found damage, bites, or nests?Have DIY products failed to solve it?

Treatment Options

Inspection and Species Identification

Typical published range: $100–$300

Expect a Denver inspector to check the roof from a ladder, not just the ground. Roof returns, gable vents, chimney flues, and soffit gaps are where most Denver attic entries happen, and none are visible from the driveway.

60–120 minutesBest: Every job; the species decides the method

Humane Live Trapping and Removal

Typical published range: $150–$500 per animal, plus trip fees

Live cage traps set at the entry point or along a travel route are the standard way to remove raccoons, skunks, opossums, and groundhogs in Denver. Traps are checked daily and animals handled under Colorado rules.

Several days to two weeksBest: Animals already inside or denning under structures

Exclusion Repairs (Chimney Caps, Vent Screens, Foundation Mesh)

Typical published range: $300–$2,500+ depending on scope

Raccoons can pull off aluminum vent louvers and squirrels chew through plastic in Denver, Colorado, so exclusion uses galvanized steel, heavy hardware cloth, or copper mesh. Foam and caulk alone do not hold.

Half a day to two daysBest: Sealing the home after animals are out

One-Way Doors and Eviction

Typical published range: $200–$600

For bird problems in Denver, netting or one-way flaps let starlings and sparrows out of a vent or attic space before the opening is screened. The birds move to a nearby tree; the vent gets covered.

3–7 daysBest: Squirrels, raccoons, and birds using a single main entry

Attic rafters, insulation and a soffit opening illuminated for inspection

Paper nest beneath a shed eave viewed from a distance

Understanding Denver's Wildlife: Raccoons, Squirrels, and Bats

Denver's urban environment hosts several adaptable species. Raccoons are the most common nuisance, easily identified by their masked faces and ringed tails. They are dexterous and can open latches, tear through shingles, and contaminate attics with their waste. Squirrels, both eastern fox and gray squirrels, are active during the day and can cause significant damage by gnawing on wires and wood. Bats, particularly the big brown bat, roost in colonies and their guano can lead to histoplasmosis. Colorado law protects bats during maternity season (May-August), so exclusion must be carefully timed. Understanding these species' behaviors is critical for effective control.

The Exclusion Process: How Permanent Wildlife Control Works

Exclusion is the gold standard of wildlife control. The process begins with a thorough inspection to identify all entry points. Professionals use ladders, cameras, and sometimes drones to inspect rooflines, eaves, and foundations. Once entry points are identified, one-way doors are installed to allow animals to leave but not re-enter. After confirming all animals have exited (usually 3-7 days), entry points are sealed with galvanized steel mesh, copper wool, or heavy-duty caulk. Chimneys are capped with stainless steel caps, and vents are covered with hardware cloth. Finally, the attic or crawlspace is cleaned and sanitized. Exclusion is not a one-time fix; annual inspections are recommended to maintain integrity.

Colorado Wildlife Regulations and Humane Standards

Wildlife control in Colorado is regulated by Colorado Parks and Wildlife (CPW). Nuisance wildlife may be trapped and euthanized or relocated, but relocation is often discouraged because relocated animals rarely survive. Protected species, such as bats and some birds, have specific handling requirements. For example, bats cannot be excluded during maternity season (May-August) without a special permit. Professionals must hold a valid CPW nuisance wildlife control license and follow best practices for humane euthanasia (e.g., carbon dioxide chambers for raccoons). Homeowners who attempt DIY control risk violating state laws and facing fines. Choosing a licensed professional ensures compliance and ethical treatment.

What surveys and cost guides say about wildlife problems near Denver

Before you compare quotes in Denver, it helps to know what independent surveys and published cost guides actually report about wildlife problems; none of the figures below come from this site's own Denver customers, and each carries its source, date and population so you can weigh it yourself. Forty-four point six percent of the 859 wildlife-affected northeastern Illinois households in the Illinois Natural History Survey's (INHS) 2012 survey (reported 2013) said landscaping damage was among their problems; respondents could name several types, and the figure is regional, not national. In the Illinois Natural History Survey's (INHS) 2012 survey of homeowners in the greater metropolitan area of northeastern Illinois (reported 2013), 28.4% of the 71 respondents who had hired a private removal service rated it good, a small-sample regional result. The same question comes up in Denver: most homeowners who tackle wildlife themselves spend very little: 51% of 506 action-takers in the Illinois Natural History Survey's (INHS) 2012 survey of northeastern Illinois homeowners (reported 2013) spent under $50, which mostly reflects DIY repellents and hardware rather than professional fees. Denver is not an outlier on this point: Thirty-two percent of the 859 wildlife-affected northeastern Illinois households in the Illinois Natural History Survey's (INHS) 2012 survey (reported 2013) said animals occupying a porch or deck was among their problems; respondents could name several types, and the figure is regional, not national. Worth knowing before you call anyone in Denver: hiring a professional is a mainstream choice rather than a last resort: 42% of U.S. homeowners in Forbes Home's 2024 survey of 1,000 people said they had paid for pest control, though that is self-reported and does not show how much they spent. Use these numbers as context, not as a diagnosis for your Denver property; a provider's written inspection findings should drive the plan for a Denver home, and any quote should spell out how many visits, which areas and what follow-up it covers.

Wildlife control options in Denver: at a glance

Method	Typical published range	Best for	Time on site
Inspection and Species Identification	$100–$300	Every job; the species decides the method	60–120 minutes
Humane Live Trapping and Removal	$150–$500 per animal, plus trip fees	Animals already inside or denning under structures	Several days to two weeks
Exclusion Repairs (Chimney Caps, Vent Screens, Foundation Mesh)	$300–$2,500+ depending on scope	Sealing the home after animals are out	Half a day to two days
One-Way Doors and Eviction	$200–$600	Squirrels, raccoons, and birds using a single main entry	3–7 days

What Affects Cost

✓Follow-up visits included in the quoted price
✓Length of deck or shed perimeter needing buried mesh
✓Species involved; skunks and raccoons cost more to handle
✓Presence of a raccoon latrine requiring special cleanup
✓Damage to ductwork, wiring, or vents needing repair
✓Warranty length on exclusion work and sealed points

📊

What is your biggest concern about wildlife on your property?

When to Call a Professional

Bird problems in Denver need a pro when the species is protected or the nest is active. Federal migratory bird rules apply in Colorado, and a licensed provider knows which nests can be moved and which have to wait until the young fledge in Denver. Skunks sprayed inside a crawl space can leave odor that migrates through ducts into every room of the house.

DIY vs Professional

Repellents, ultrasonic devices, and predator urine are widely sold in Denver and rarely work on an animal that has already denned. Wildlife in Denver, Colorado responds to physical barriers and eviction, not to smells or sounds it quickly learns to ignore. Spray foam is chewed through by squirrels in a single night and offers no real exclusion value on its own.

Local Context

For Denver homeowners the useful local fact is the semi-arid climate, which drives the seasonal pattern of wildlife activity described on this page. Activity typically peaks during spring denning and fall (animals seek winter shelter). A provider working in Denver should be able to connect these local conditions to what they actually found at your home.

Prevention Tips

✓Store firewood away from the house and off the ground
✓Take bird feeders down during spring denning season
✓Keep grass short and brush cleared near foundations
✓Repair rotted soffit and fascia boards promptly
✓Feed pets indoors and remove bowls at night
✓Pick up fallen fruit and nuts from the yard

💡 Did You Know?

★Starlings were introduced to North America in 1890 in Central Park
★Flying squirrels glide up to 150 feet using a skin membrane

Frequently Asked Questions

Is wildlife removal humane?

Humane removal in Denver means eviction over trapping where possible, daily trap checks, and hand-reuniting young with the mother outside. Poison and glue products have no place in wildlife work in Denver, Colorado, and a reputable provider will say so up front.

Can I trap the animal myself?

Sometimes, with limits. Many Denver, Colorado residents can trap on their own property, but transporting or releasing the animal elsewhere may be prohibited. In Denver, the bigger issue is that trapping alone does not close the entry, so a provider in Denver, Colorado is still needed for the repair.

What is included in attic cleanup?

It ranges from a quick vacuum and sanitize in Denver to a complete strip-out and reinsulation. The provider should describe exactly which areas are affected, what protective gear their crew uses, and how waste leaves your Denver, Colorado home. Photos before and after are a reasonable request.

Are bird nests protected?

Most native birds are protected under federal law, so active nests with eggs or young in Denver cannot be removed until the birds fledge. House sparrows, starlings, and pigeons are not protected. A Denver provider can identify the species and tell you whether the vent in your Denver, Colorado home has to wait.

Can the animal just be relocated?

Sometimes, but the rules vary in Colorado. Some species can be released nearby, some must stay on the property, and raccoons in particular are restricted in several states, so Denver providers check before moving one. A licensed Denver provider knows the current Colorado rules and will explain what applies to your animal.

How common are nuisance wildlife problems around suburban homes?

Common enough to be routine. Before comparing Denver quotes, note this: Fifty-eight percent of homeowners in a large northeastern Illinois metropolitan region reported wildlife problems around their homes in a 2000 Illinois Natural History Survey (INHS) study, a historical local finding, not a national estimate. In Denver, ask providers to put the number of visits and any re-treatment terms in writing before work begins.

How many people hire a professional for wildlife removal?

A small share, in the best regional data available. For Denver, Colorado the relevant figure is this: hiring help is the exception: 13.7% of 518 action-takers in the Illinois Natural History Survey's (INHS) 2012 survey of northeastern Illinois homeowners (reported 2013) used a private removal service, a regional multi-select figure that suggests most jobs never reach a professional. For a property in Denver, the next step is an inspection that identifies the source, not a guess based on national averages.

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📚 Sources & Further Reading

Content provenance and service transparency

Statistics on this page come from named public surveys, studies and published cost guides, cited inline with their dates and populations; they are not this site's own customer data and do not describe any specific property. Content was drafted with an editorial pipeline and reviewed on September 11, 2026 for source fidelity, claim wording and local relevance. Provider availability, pricing, credentials and service terms must be confirmed directly.

Published by Wildlife Exterminator · No named licensed-professional review is claimed · Updated 2026-09-11T10:32:11Z

How this content is produced and corrected

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