wildlife control in Westminster, CO

Noises in the attic or something living under the deck in Westminster? Here's how to identify it and get it out safely.

Westminster, Colorado cityscape
Westminster at a glance
16 in.rain a year
50%average humidity
19°Ftypical winter low
89°Ftypical summer high
The short version

Around Westminster, the most common animals are raccoons, squirrels and skunks. Identify yours first. Then get it out and seal the gap.

  • Never handle a wild animal.
  • Figure out which animal it is first.
  • Check for babies before sealing.
  • Use metal mesh, not foam.
  • Secure trash and pet food.

Homeowners in Westminster with an animal in the attic, walls, chimney or yard.

What to look for

Each one gets in differently and needs a different fix. Babies are usually born from about April through June. Around Westminster, the usual animals are raccoons, squirrels, skunks and bats.

  • Scratching or thumping in the attic.
  • Torn vents, soffits or shingles.
  • A musky or skunky smell.
  • Dug holes under decks or sheds.
  • Trash bins knocked over.
  • Droppings on decks or in the attic.

Why it’s worth acting soon

  • Chewed wires and damaged insulation.
  • Droppings that can spread disease.
  • Babies make removal harder.
  • Rabies risk from bites.
54%NE Illinois homeowners with wildlife problems in prior year (INHS, 2013)Illinois Natural History Survey: homeowners and wildlife
51.8%Wildlife-affected NE Illinois households: digging/burrowing (INHS, 2013)Illinois Natural History Survey: homeowners and wildlife
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Do you have a wildlife problem?

Treatment options and typical costs

Inspection and Species Identification

$100–$300

A wildlife inspection in Westminster starts with the animal, not the hole: tracks, droppings, hair, chew marks, and the size of the opening all point to a species. Raccoons and squirrels need different doors, traps, and timing.

Time
60–120 minutes
Best for
Every job; the species decides the method

Attic Cleanup, Sanitation, and Follow-Up

$500–$3,000+ depending on insulation removed

A follow-up visit a few weeks after exclusion is standard practice in Westminster. Each sealed spot is checked for new damage.

Time
1–2 days
Best for
Soiled insulation, droppings, odors, and re-checks

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

$300–$2,500+ depending on scope

Chimney caps are the single most common exclusion repair in Westminster: an uncapped flue is an open invitation to raccoons, squirrels, and chimney swifts. A stainless spark-screen cap solves it in an hour.

Time
Half a day to two days
Best for
Sealing the home after animals are out

One-Way Doors and Eviction

$200–$600

Eviction devices work best for squirrels and adult raccoons in Westminster when every other opening has already been sealed. Leave one gap unsealed and the animal simply moves to it.

Time
3–7 days
Best for
Squirrels, raccoons, and birds using a single main entry

Prices are typical published ranges. Ask what’s included before you compare quotes.

A crawl space with a vapor barrier and a lit foundation vent
Crawl spaces are a favorite den. Check the vent screens and the access door.

Animals around Westminster.

Around Westminster, the most common animals are raccoons, squirrels, skunks and bats. Homes from Westminster out to Arvada and Thornton see much the same mix.

Local wildlife conditions in Westminster.

An inspection in Westminster usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Around Westminster, the area is mostly suburban, so wildlife pressure can differ from one block to the next depending on how tight the entry points are and how much food, water, or shelter is close by. Westminster sits in a semi-arid climate, and that sets the pace for wildlife activity here: spring denning and fall (animals seek winter shelter). A provider who works Westminster and Colorado every day can point out the specific conditions that matter most here, and getting the scope, price, and follow-up terms in writing makes it easier to compare options. Knowing Westminster's seasonal timing lets you schedule treatment before the busy stretch rather than after it, which usually means faster service and a more accurate quote.

A garden border with mulch, a hose tap, work gloves and a flashlight
Brush, mulch and fallen fruit near the house give animals cover and food. Keep the edges tidy.

What’s that noise?

  • Quick scurrying at dawn and dusk: squirrels. - A strong smell under the deck: skunks. - Rustling at dusk at the roof edge: bats. - Heavy thumps at night: raccoons.

Baby season.

Bat exclusion waits until pups can fly, usually by mid-August. Never seal a hole while babies are still inside. Mothers look for warm, dry spots like attics and chimneys. Around Westminster, most babies are born from about April through June.

A year of wildlife in Westminster.

  • Spring: babies are born from about April through June. Don't seal while young are inside. - Winter: lows near 19°F in Westminster. Animals den up in attics. - Fall: animals hunt for winter dens. Seal gaps now. - Summer: highs near 89°F in Westminster. Animals roam at night.

Raccoons.

They tear open vents and roof edges. Heavy thumps at night usually mean a raccoon. Never handle one.

Tree squirrels.

Squirrels are busy at dawn and dusk. They chew small gaps into bigger holes, and wires too.

Skunks.

Skunks den under decks, sheds and porches. A strong smell after dark is the giveaway.

Bats.

Bats slip through gaps as small as a thumb. Look for droppings under a gap at the roofline.

Getting them out the right way.

  • Identify: figure out which animal it is. - Recheck: make sure nothing is trying to get back in. - Seal: heavy metal mesh on every gap. - Door: a one-way door lets the animal leave. - Check: look for babies first.

Where animals get in.

  • Roof vents and soffit corners. - Under decks, porches and sheds. - Crawl-space doors and foundation vents. - Uncapped chimneys. - Gaps where the roof meets the wall.

If an animal gets inside the house.

Call your health department first. Is it a bat, and was someone asleep there? Keep kids and pets away. Open an outside door or window in that room, then leave. Close interior doors so it stays in one room.

Droppings and cleanup.

  • Don’t sweep or vacuum droppings dry. - Large attic messes are a job for pros. - Wet droppings down, then bag them. - Wear gloves, a mask and old clothes.

Keeping your yard less inviting.

  • Trash: locking lids, or keep bins in the garage. - Cover: clear brush and wood piles near the house. - Fruit: pick up what falls. - Birds: use a seed tray, and sweep up spills. - Pets: feed them indoors.

Wildlife myths.

  • Out in daylight means rabid: not always; mothers forage by day. - Lights and radios work: only briefly. - Mothballs drive them out: they don’t, and they’re a health hazard. - Moving them is kind: often illegal, and babies get left.

Birds in vents and chimneys.

Most native birds are protected while nesting. Starlings and sparrows love dryer and bath vents. Then fit a vent cover that still lets air out. Wait until the young have flown.

If an animal seems sick.

Keep people and pets inside. Staggering, circling or acting unafraid can mean illness. Don't try to trap or touch it. animal control or your local health department.

Pets and wildlife.

Bring pets in at night. Keep pets' rabies shots up to date. your vet if your pet tangles with a wild animal.

What a wildlife visit looks like.

Cleanup comes last. Later, they come back and seal up. They set a one-way door or trap. They look for tracks, droppings and torn vents. The tech walks the roofline and the foundation.

If a skunk sprays.

  • People and pets: wash with peroxide, baking soda and dish soap. - Under the house: air it out; the smell fades over days. - Clothes: wash with baking soda added to the load. - Eyes: keep the mix out; rinse with cool water. - Tomato juice: it doesn’t really work.

Babies found alone.

Leave them be and watch from a distance for a day. Baby animals alone are often just waiting for a parent. Call a wildlife rehabilitator. Hurt or clearly orphaned?

Fencing that works.

  • Diggers: bury wire mesh a foot down, bent outward. - Gates: keep gaps underneath to a couple of inches. - Gardens: hardware cloth beats chicken wire. - Climbers: an electric wire near the top stops raccoons.

Questions to ask before you sign.

  • Which animal is it? - Is cleanup included? - What will you seal with? - What happens to the animal? - How will you handle babies? - Where is it getting in?

What affects the price

  • Damage to ductwork, wiring, or vents needing repair.
  • Square feet of insulation removed and replaced.
  • Roof height and pitch affecting ladder or lift needs.
  • Materials used: steel and hardware cloth over foam.
  • Length of deck or shed perimeter needing buried mesh.
  • Follow-up visits included in the quoted price.
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What worries you most about wildlife?

When to call for help

right away if one acts sick or aggressive. Call if an animal is in the attic, walls or chimney. Babies and droppings need careful handling.

What you can do yourself

Never corner or handle one. Secure trash, bring in pet food and trim branches. Getting an animal out of the house is a pro's job.

Wildlife in Westminster

In Westminster's neighborhoods, decks, sheds and trash bins draw animals in. Westminster has a semi-arid climate, and wildlife activity here tends to follow spring denning and fall (animals seek winter shelter). An inspection in Westminster that starts outside and works inward usually finds the entry points, moisture, and shelter that matter most before anyone treats. Winter lows near 19°F in Westminster send animals into attics and crawl spaces in fall. In Colorado, skunks and bats carry most rabies.

Local research

Wildlife in Westminster, CO: what the public record shows

Before you compare quotes, it helps to know which wildlife actually live in Colorado, when they are busiest around Westminster, and what the state figures look like. Everything below links to the agency or university page it came from.

Up to two miles from the capture site
Raccoon relocation distance

Raccoons, tree squirrels and cottontail rabbits are the only species that may be relocated without a permit.

Colorado Parks and Wildlife
Up to 10 miles from the capture site
Tree squirrel and cottontail relocation distance

Release sites must be appropriate habitat for the species.

Colorado Parks and Wildlife
Relocation permit required from Colorado Parks and Wildlife
All other species

Any relocation outside the raccoon, tree squirrel and cottontail exception needs a permit first.

Colorado Parks and Wildlife

Nuisance Wildlife species recorded in Colorado

  • Raccoon (Procyon lotor) — Top terrestrial rabies vector in the East; relocation banned in most states.
  • Striped skunk (Mephitis mephitis) — Primary rabies reservoir in Texas and the central U.S.; Illinois requires euthanasia of trapped striped skunks.

When wildlife are busiest around Westminster

April skunk peak, October bat peak. Texas 2024 monthly peaks were driven by skunks in April and bats in October.

Based on Westminster’s semi-arid climate profile.

Landowners and their agents may take nuisance species causing damage on private property without a permit, but mountain lions and black bears may not be destroyed for property damage alone.

Rules that apply in Colorado

For context, nationally

  • Around 4,000; more than 90% in wildlife — Animal rabies cases reported per year. CDC
  • More than 20% each — Skunks and foxes that expose people or pets and are rabid. CDC

Sources: Colorado Parks and Wildlife; Rabies in the United States: Protecting Public Health; Class A (commercial) Nuisance Wildlife Control Permit study packet (17 Ill. Adm. Code 525). Figures are quoted as the source prints them. How we check our sources

Simple ways to keep wildlife away

  • Use locking or strapped trash lids.
  • Bring pet food in at night.
  • Cap the chimney.
  • Trim branches back from the roof.
  • Bury wire mesh around decks and sheds.
  • Pick up fallen fruit and spilled bird seed.
A printed quote, coffee mug and glasses on a kitchen table
Ask which animal it is, how babies will be handled, and whether sealing and cleanup are included.

Did you know?

A gray squirrel can rotate its ankles to descend headfirst

Groundhogs whistle to warn each other, earning the name whistle-pig

Questions people ask

Can I trap the animal myself?

Check Colorado's rules first. Trapping can catch the wrong animal or orphan babies.

How do I get rid of a groundhog?

Groundhogs are rare here. A digger under the shed is likely a skunk.

How do I choose a wildlife company?

Look for someone licensed for wildlife work in Colorado. Ask how they handle babies and what they seal with.

What is included in attic cleanup?

Removing droppings and soiled insulation, then sanitizing. New insulation goes in if needed.

Can the animal just be relocated?

Many states, Colorado included in some cases, limit moving trapped animals. Ask your provider. Often not.

Which animals are most common around Westminster?

Mostly raccoons, squirrels, skunks and bats.

When are wild animal babies born in Westminster?

Usually from about April through June. Don't seal a hole while babies are inside.

Nearby cities

Related guides

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

Ask about wildlife removal or a quote.

Tell us what you’ve noticed.

  • Where you’ve seen wildlife or damage
  • When you first noticed it
  • Anything you’ve already tried