To safely remove animals from your Northglenn chimney, start by confirming the critter’s presence (listen for scratching or see droppings), then call a licensed chimney sweep to humanely extract them, never attempt DIY removal. Install a chimney cap ($150–$400) and schedule annual inspections ($120–$200) to block future pests. Westminster’s dry winters and older homes (like those near I-70) make this a common issue, don’t wait until spring to act.
What Is Chimney Animal Infestation (And Why It’s Worse Than You Think)
A chimney animal infestation happens when wildlife, squirrels, raccoons, birds, or even bats, nest in your flue or chimney crown. In Northglenn, where older homes (especially near the I-70 corridor) often have unsealed masonry chimneys, these pests are drawn by dry, drafty spaces and the insulation provided by soot buildup. The problem isn’t just the mess (droppings, nests, or dead animals blocking airflow) but the fire hazard: nests can ignite from embers, while animal debris accelerates creosote buildup, increasing the risk of a chimney fire the National Fire Protection Association (NFPA)|https://www.nfpa.org/)).
Locals often mistake animal odors for ‘just a musty smell’, but if you’ve noticed scratching noises during the day (unlike creosote, which smells like tar), feathers or fur near your fireplace, or soot stains with unusual patterns, your chimney is likely occupied. The Chimney Safety Institute of America (CSIA) warns that DIY removal attempts can provoke aggressive animals or damage your chimney lining, costing you $500–$1,500 in repairs /areas/northglenn/.
Step 1: Confirm the Infestation (Before You Call a Chimney Sweep)
Don’t assume every critter is a squirrel. Northglenn’s urban-wildland interface means you might have birds (like European starlings), raccoons (common near the South Platte River), or even opossums in your chimney. Here’s how to ID the problem:
1. Visual Inspection: Use a flashlight to check the fireplace opening for nests, droppings, or chewed wood. If you see shiny black pellets, it’s likely bats; twisted sticks and mud suggests birds. 2. Listen for Activity: Squirrels are most active at dawn/dusk (scratching sounds), while raccoons may knock over pots near your roof. Record the noise, share it with your chimney sweep to speed up identification. 3. Check for Blockages: Light a small piece of newspaper in the fireplace. If smoke billows out instead of rising, debris (or an animal) is blocking the flue.
Pro Tip: If you’re near Northglenn’s older neighborhoods (like the historic downtown area), your chimney may have cracks or missing mortar, common entry points for animals. A free video inspection from a licensed sweep can confirm the extent of damage before pricing /contact/.
Step 2: Humane Animal Removal (Why DIY Fails, and How to Do It Right)
Never use poison, traps, or fire to remove animals. Colorado law USA.gov prohibits harming wildlife without a permit, and asphyxiating a nest can release toxic gases (like histoplasmosis from bird droppings). Instead, follow this budget-conscious approach:
1. Call a Licensed Chimney Sweep: In Northglenn, expect to pay $200–$400 for removal (vs. $500+ for emergency fire damage). Companies like ours use humane exclusion techniques, like one-way doors or live traps, to relocate animals safely. Avoid ‘cheap’ services, unlicensed workers may leave nests intact, forcing you to repay later. 2. Schedule During Off-Peak: Book removals in late spring or early fall (when animals are less active) to save 10–15% on labor. Summer is prime nesting season, don’t risk disturbing a mother raccoon (they’re territorial and may return). 3. Document the Process: Ask for photos/videos of the removal, some pests (like bats) require health department notification per Westminster’s wildlife ordinances Westminster, CO.
Cost-Saving Hack: If the animal is dead or already gone, a sweep can still inspect for structural damage (e.g., chewed liners) for $120–$180, cheaper than a full removal. /pricing/ outlines transparent pricing tiers for Northglenn homes.
Step 3: Seal Your Chimney (Permanent Fixes That Actually Work)
Once the animals are gone, prevent re-infestation with these long-term, cost-effective solutions tailored to Northglenn’s climate:
1. Chimney Cap Installation ($150–$400): A stainless steel cap (like the CSIA-approved models) blocks squirrels, birds, and debris while allowing smoke to escape. For homes near I-70 or the South Platte, opt for heavy-duty caps with mesh screens, they’re pricier ($300–$400) but worth it for high-traffic areas. /blog/chimney-cap-installation-and-repair-westminster/ compares cap types and local installers. 2. Chimney Crown Repair ($200–$600): If your crown (the top of your chimney) has cracks or missing mortar, animals will return. A sweep can reseal it with high-temperature mortar for a fraction of a full rebuild. Westminster’s freeze-thaw cycles (common in winter) worsen cracks, fix them before December. 3. Flue Liner Inspection ($100–$200): Animals gnaw on clay or metal liners, creating gaps. A new stainless steel liner ($800–$1,500) is the gold standard but may be overkill if the damage is minor. Ask your sweep for a damage assessment before committing.
Local Insight: In Northglenn’s drier microclimates, chimneys dry out faster, annual inspections (not just sweeps) catch early signs of animal damage. /areas/northglenn/ sweeps often bundle removal + cap installation for $350–$550, negotiate for a package deal.
Step 4: Maintenance to Keep Animals Out (Westminster-Specific Tips)
Northglenn’s mixed urban/rural landscape means some homes are more at-risk for infestations. Mitigate the problem with these low-cost, high-impact habits:
1. Burn Only Seasoned Hardwood: Softwoods (like pine) create more creosote, which attracts insects, and insects attract animals. The EPA’s Burn Wise program the EPA's Burn Wise program recommends dry, split hardwood (oak, maple) for cleaner burns and fewer pests. 2. Use Your Fireplace Regularly: Animals prefer cold, unused chimneys. If you’re not burning wood, crack the damper weekly to deter nesting. Westminster’s short winters mean some homeowners skip fireplaces entirely, don’t let your chimney become a wildlife condo. 3. Install a Spark Arrestor: These $50–$150 screens (required by law in some CO counties) prevent embers from igniting dry grass near your home, reducing the risk of animals seeking shelter in your chimney after a fire. 4. Trim Overhanging Branches: Trees near your roof (like the cottonwoods along the South Platte) provide animal highways to your chimney. Trim branches 10 feet away from your roof to eliminate easy access points.
Pro Move: If your home is in a high-risk area (e.g., near Northglenn’s open spaces or the Platte River trail system), consider a chimney balloon ($200–$400), a temporary barrier that expands inside the flue to block small animals. /tips/westminster-chimney-sweep-tips/ has a DIY-friendly guide for safe balloon use.
How Much Should Animal Removal Cost in Northglenn? (Avoid Overpaying)
Pricing for animal removal varies widely, but you’re overpaying if you see quotes outside these ranges for Northglenn homes:
| Service | Low End | Average | High End | Notes | |----------------------------|------------|------------|-------------|--------------------------------------------| | Basic Removal (1 animal) | $200 | $250–$350 | $400 | Includes humane extraction + debris cleanup. | | Removal + Chimney Cap | $350 | $450–$550 | $650 | Bundle deals save 10–20%. | | Crown Repair + Removal | $400 | $500–$700 | $900 | Cracks require mortar work. | | Full Liner Replacement | $800 | $1,200–$1,500 | $2,000 | Only needed for severe damage. |
Red Flags: - No free inspection: Reputable sweeps offer this, walk away if they charge upfront /news/hiring-chimney-sweep-westminster/. - Pressure to upsell: A sweep pushing a $2,000 liner when your damage is minor is overcharging. - No license/insurance: In Colorado, chimney sweeps must be CSIA-certified, ask to see their credentials.
Local Tip: Westminster’s older homes (pre-1980s) often have brick chimneys with mortar failure, these cost more to repair. If your sweep quotes $1,000+ for removal, get a second opinion from a company serving /areas/westminster/ or /areas/arvada/.
When to Call a Chimney Sweep vs. a Wildlife Removal Expert
Not all animal issues require a chimney sweep, know when to call each pro to save money:
- Call a Chimney Sweep If: - You’ve confirmed droppings, nests, or chewed liners in the flue. - You need a cap, crown repair, or inspection post-removal. - The animal is dead or partially blocking the chimney (sweeps handle cleanup safely).
- Call a Wildlife Removal Pro If: - You have live animals (especially raccoons or bats), these require special permits in Westminster. - The infestation is extensive (e.g., multiple nests, structural damage), a sweep may subcontract a wildlife expert. - You’re dealing with aggressive animals (e.g., a mother raccoon with kits).
Cost Comparison: A wildlife pro charges $300–$600 for removal alone, while a chimney sweep bundles removal + repairs for $400–$700. Save 20–30% by choosing a sweep with wildlife experience, many, like ours, have CSIA-certified techs trained in humane exclusion /about/.
Urgent Signs You Need a Sweep Now: - Smoke backing into your home (blockage = fire hazard). - Animal odors lingering after removal (sign of trapped debris). - New cracks or soot stains post-removal (damage may need repair).
| Service | Cost Range | DIY Risk | When to Hire a Pro |
|---|---|---|---|
| Humane Removal (1 animal) | $200–$400 | High (aggression, disease) | Always, animals are protected by law. |
| Chimney Cap Installation | $150–$400 | Moderate (poor fit = ineffective) | If your cap is damaged or missing. |
| Crown Repair | $200–$600 | High (mortar failure) | If cracks are >1/4 inch wide. |
| Liner Inspection/Repair | $100–$1,500 | Very High (fire hazard) | If you hear scratching inside the flue. |
| Wildlife Permit Assistance | $50–$150 | Legal (fines up to $500) | For bats or protected species. |
Frequently Asked Questions
My chimney smells like animals but I don’t see any. What should I do?
If you smell musty, ammonia-like odors (common with raccoons) or rotten eggs (bird droppings), schedule a chimney inspection ($100–$150) to check for hidden nests. In Northglenn, older homes near the South Platte often have undiscovered animal activity, a sweep can use a flexible camera to confirm before pricing removal. /areas/northglenn/ sweeps often find nests in unused chimneys during fall inspections.
Why does my chimney keep getting animals even after a cap was installed?
A cheap or improperly fitted cap leaves gaps, especially if it’s rusted, bent, or missing mesh. In Westminster’s windy areas (like near Standley Lake), caps can loosen over time. Have your sweep check for: 1. Gaps larger than 1/4 inch (animals slip through). 2. Damaged mesh (tears let in insects, which attract larger pests). 3. Improper sealing (caulk around the base to block entry). Upgrade to a stainless steel cap with a tight seal ($250–$400) for long-term protection. /blog/chimney-cap-installation-and-repair-westminster/ covers cap types that work in CO’s climate.
Can I remove a dead animal from my chimney myself, or should I call a pro?
Never remove a dead animal yourself, droppings from birds or raccoons contain histoplasmosis spores, a dangerous fungus. Instead, ventilate the room, then call a chimney sweep to extract the carcass safely ($150–$250). If the animal is partially decomposed, the sweep may need specialized gear (like a HEPA vacuum) to avoid contaminating your home. Westminster’s dry air speeds up decomposition, act fast to prevent odors or mold growth.
How do I know if my chimney damage is from animals or just wear and tear?
Animal damage has distinct signs: - Gnaw marks on liners or dampers (squirrels love chewing metal). - Nests made of twigs, mud, or feathers (not just soot buildup). - Fresh droppings (creosote is sticky and tar-like, while animal waste is pellet-shaped). - New cracks in the crown (animals dig for entry). Wear and tear (like crumbling mortar) is gradual and uniform, while animal damage is localized and jagged. A free video inspection from a licensed sweep can distinguish the two /contact/.