Chimney swift perched on the edge of an uncapped red brick chimney in Seattle
Troubleshooting 8 min readApril 5, 2026

Birds or Animals in Your Chimney? Seattle Removal Guide

Animal in Your Chimney? Don't Panic

Hearing scratching, fluttering, or chirping sounds from your chimney is alarming — but in Seattle, it's surprisingly common. Our city sits along the Pacific Flyway, a major bird migration route, and our mix of evergreen forests and urban neighborhoods creates ideal habitat for chimney-dwelling wildlife. Each year, Seattle Chimney Pros handles hundreds of animal-related calls.

The most important first step: don't light a fire. Starting a fire with an animal trapped in the chimney is inhumane and creates a fire hazard from panicked movement and potential escape into your home. This guide walks through safe, legal, and effective removal for every type of animal you might encounter.

Common Chimney Animal Intruders in Seattle

AnimalHow You'll KnowCommon Season
Chimney SwiftsChattering, chirping soundsApril-October
RaccoonsHeavy thumping, growlingMarch-June
SquirrelsFast scurrying, scratchingYear-round
BatsHigh-pitched squeaks at duskMay-September
StarlingsLoud whistling, rustlingSpring/Summer
OwlsDeep hooting, feather debrisYear-round (rare)

Chimney Swifts: The Federally Protected Visitor

Chimney swifts are protected under the Migratory Bird Treaty Act. It is illegal to remove, harm, or displace them during nesting season (May-August). Violators can face federal fines up to $15,000.

If you hear the distinctive chattering of chimney swifts in your Seattle chimney:

  • Do not attempt removal until after nesting season (typically ends late August)
  • Keep the damper closed to prevent them from entering your home
  • Don't light a fire — it's illegal and will kill the birds and fledglings
  • Wait for them to migrate in early fall, then install a chimney cap to prevent future nesting

Chimney swifts are beneficial — a single colony eats over 12,000 flying insects per day, including mosquitoes. Many Seattle homeowners intentionally welcome them back each summer.

Raccoons: The Most Dangerous Chimney Intruder

Raccoons are intelligent, strong, and potentially aggressive. A mother raccoon with kits will defend her chimney den fiercely. Warning signs:

  • Heavy thumping or scratching sounds
  • Growling, hissing, or chittering noises
  • Foul smell (raccoons use the chimney as a bathroom)
  • Black bear-like footprints on chimney cap or roof

Never attempt DIY removal. Raccoons can carry rabies and parasites, and they'll fight if cornered. Contact a licensed wildlife removal specialist (separate from chimney service). In Seattle, we recommend waiting until the kits are old enough to leave (typically 6-8 weeks after birth), then sealing the chimney immediately with a professional cap installation.

Squirrels and Bats: Smaller But Serious

Squirrels often fall into chimneys and can't climb back out. If you hear frantic scratching:

  1. Close the damper firmly (prevents entry into home)
  2. Lower a thick rope (3/4 inch or thicker) into the chimney from above
  3. Leave it overnight — squirrels usually climb out by morning
  4. If that fails, call a professional

Bats in Seattle chimneys are often little brown bats, which are protected species. Do not remove bats yourself — they can carry rabies. Contact Washington Department of Fish and Wildlife or a licensed wildlife specialist. Never touch a bat with bare hands, even if it appears dead.

Preventing Animal Intrusions: The Only Real Solution

All wildlife issues can be prevented with one installation: a quality chimney cap. A stainless steel cap with animal-proof mesh:

  • Blocks all animals larger than 1/2 inch
  • Prevents debris and leaves from blocking the flue
  • Reduces water intrusion (the #1 cause of chimney damage)
  • Extends chimney lifespan by 30-50%
  • Costs $200-$500 installed — less than one wildlife removal call

If your Seattle home's chimney doesn't have a cap, or has a damaged/missing cap, installing one is the single most important chimney investment you can make.

What to Do Right Now If You Hear an Animal

  1. Do not light a fire. This is the #1 rule.
  2. Close the damper to prevent the animal from entering your living space
  3. Identify the sound pattern to determine the animal type (see table above)
  4. If swifts or bats (protected species), wait or call a licensed wildlife specialist
  5. If raccoons, call wildlife removal immediately
  6. If squirrels, try the rope method before calling professionals
  7. Once the animal is gone, immediately schedule chimney cap installation to prevent recurrence

Contact Seattle Chimney Pros for cap installation, flue cleaning (needed after any animal intrusion), and post-removal inspections. We coordinate with wildlife specialists when needed.

Need professional help?

Our professionally trained team is ready. Free estimate, 30-minute response.

Frequently Asked Questions

Is it illegal to remove birds from my chimney in Seattle?+
Yes, if they are chimney swifts (protected under the federal Migratory Bird Treaty Act). It's illegal to disturb nesting swifts from May through August. Violations carry fines up to $15,000. Non-native species like starlings can be legally removed but still require humane methods.
How much does it cost to remove an animal from my chimney?+
Wildlife removal itself costs $150-$500 depending on animal type and difficulty. After removal, you'll need chimney cleaning ($199-$299 for sanitization after animal presence) and cap installation ($200-$500). Total: $549-$1,299 for complete resolution.
Can an animal damage my chimney?+
Absolutely. Raccoons tear away mortar and flashing. Squirrels bring nesting materials that block flues (fire hazard). Birds leave acidic droppings that corrode metal components. All animals leave debris that requires full sweeping before safe fireplace use.
How do I prevent animals from entering my chimney?+
Install a quality stainless steel chimney cap with animal-proof mesh (1/2 inch or smaller openings). This is the only reliable prevention method. Top-sealing dampers provide secondary protection. Cost: $200-$500 for professional cap installation.
I have a fireplace insert — can animals still get in?+
Yes. Animals enter through the chimney top, not the firebox. Inserts don't prevent wildlife intrusion in the flue itself. If your insert has venting through the chimney, you still need a proper cap at the top to prevent animal entry.

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