Expert Decontamination

Safe, Complete Attic Decontamination

Breathe easier with professional pest cleanup. We remove hazardous waste, neutralize odors, and restore your home's air quality with medical-grade precision.

400+ Combined Five-Star Reviews

The Dangers of Pest Waste

Attic pest infestations leave behind more than just a mess. Biological waste poses severe
health risks to your family and structural threats to your home.

Pathogen Risks

DIY cleaning risks aerosolizing dangerous viruses like Hantavirus and spores for Histoplasmosis. Exposure can lead to severe respiratory distress.

Parasite Spread

Raccoons and rodents carry roundworms and fleas. Droppings act as a breeding ground for parasites that can migrate into your living spaces.

Structural Integrity

Ammonia from urine eats through drywall and insulation, while nesting behavior creates fire hazards by compromising electrical wiring.

Pest & Vermin Droppings Cleanup in Chicagoland 

Guaranteed Attic Decontamination

Rats, mice, squirrels, raccoons, and bats don’t just chew wires and ruin insulation — their urine and droppings carry dangerous pathogens like hantavirus, salmonella, and histoplasmosis. One attic full of contaminated insulation can make your entire home unhealthy.

At The Attic Genius we’ve removed countless pest infestations and restored attics to clean, breathable condition for over 25 years. 400+ combined five-star reviews across our companies prove we’re the team homeowners trust when animals have taken over their attic.

Call 847.200.8888 for your Free Attic Pest Inspection (24/7 emergency response)

Why Pest Droppings Are a Bigger Problem Than Most People Realize

Animal waste isn’t ordinary dirt. It’s biohazardous:

- Urine soaks into insulation and wood, creating permanent odor and health risks 

- Droppings harbor viruses, bacteria, and parasitic roundworms, and fungal spores 

- Contaminated insulation loses almost all R-value and becomes a magnet for mold 

- Fleas, mites, and ticks often stay behind even after the animals are gone 

Simply setting traps or sealing entry points is only half the job. The mess they left behind must be completely removed and the attic sanitized — otherwise you’re still living with the danger.

Our Complete 7-Step Pest Cleanup & Attic Restoration Process

1. Free Attic Pest & Damage Inspection 

   We identify the animal, locate all entry points, assess droppings volume, and check for chewed wiring or structural damage.

2. Full Home Protection & Containment 

   HEPA-filtered negative air, sealed work zones, and crew in full PPE so nothing spreads.

3. Safe Removal of Contaminated Insulation 

   Every bit of soiled, urine-soaked, or nesting-laden insulation is vacuumed into sealed bags and removed the same day.

4. Droppings & Debris Removal 

   HEPA vacuuming of every rafter, joist, and corner — no sweeping, no dust clouds.

5. Sanitization & Disinfection 

   Hospital-grade, EPA-registered antimicrobial fogging and wipe-down of all surfaces.

6. Odor Neutralization 

   Enzymatic treatments and thermal fogging eliminate urine smells permanently.

7. Prevention & New Insulation 

   We seal obvious entry points (partner with trusted exterminators for full exclusion if needed) and install fresh, clean blown-in cellulose or fiberglass insulation to current code.

All work backed by our written 10-year warranty.

Common Pests We Remove & Clean Up After

- Roof rats & house mice 

- Squirrels (gray & flying) 

- Raccoons 

- Bats (including histoplasmosis cleanup) 

- Birds & nesting debris 

We handle every species safely and legally.

Signs You Have (or Had) Pests in Your Attic Right Now

- Scratching or scurrying noises at night or dawn/dusk 

- Greasy rub marks along beams 

- Strong ammonia/urine smell in upstairs rooms 

- Chewed wires, ducts, or wood 

- Small black droppings (mouse “rice,” larger squirrel pellets, etc.) 

- Nests made of shredded insulation or fabric 

- Insects or fleas suddenly appearing downstairs 

Even if the animals are gone, the contamination remains — and it’s still dangerous.

Proudly Serving the Entire Chicagoland Region & Southern Wisconsin

Arlington Heights • Mount Prospect • Palatine • Schaumburg • Hoffman Estates • Barrington • Buffalo Grove • Long Grove • Lake Zurich • Vernon Hills • Libertyville • Crystal Lake • Elgin • St. Charles • Geneva • Naperville • Wheaton • Glen Ellyn • Downers Grove • Des Plaines • Park Ridge • and all the way up to Lake Geneva, WI — and beyond.

Get the Mess & the Danger Out — For Good

Schedule Your Free Pest Cleanup Inspection Today

Takes less than an hour, costs nothing, and gives you a clear plan to make your attic safe and clean again.

Call 847.200.8888 or click below — same-day and next-day appointments available.

[Get My Free Pest Cleanup Quote

[Call 847.200.8888]

Your family deserves an attic that’s clean, healthy, and pest-free.

—The Attic Genius Team 

Part of The Clean Genius Family of Companies

Signs You Need Insulation Now

  • Ice-cold floors above the basement or crawl space
  • Musty odors drifting up to the first floor
  • Visible frost or mold on rim joists in winter
  • Uneven temperatures between floors no matter the heat setting
  • Pipes freezing or sweating during cold snaps

The Attic Genius Guarantee

We ensure thermal continuity from rim joist to foundation floor.

Areas We Insulate

Targeted solutions for every hidden energy leak in your foundation.

Rim Joists

The single biggest cold spot in 90% of homes

Basement/Foundation Walls

Interior & Exterior

Crawlspaces

Exposed Dirt Floors

Basement Ceilings

When finished living space is above

Cantilevered Floors

Bay windows and bonus-room overhangs

Our Proven 7-Step Process

01

Free On-Site Assessment

We check moisture levels, ventilation, radon pathways, pest evidence, and existing insulation.

02

Moisture & Mold Resolution

Any dampness, efflorescence, or mold is professionally handled before insulation begins.

03

Whole Home Protection

Drop cloths, shoe covers, and HEPA dust control keep the rest of your house spotless.

04

Sealing Every Leak

Rim joists, sill plates, sump pits, plumbing penetrations, and foundation cracks are sealed tight.

05

Professional Insulation Installation

Full-depth, even coverage verified with depth gauges and infrared cameras — no voids, no compression.

06

Crawl Space Vapor Barrier (when needed)

20-mil reinforced ground liners, sealed and taped, plus wall insulation and access doors.

07

Final Walkthrough

You’ll feel warmer floors the same day. Every project carries our 10-year transferable workmanship warranty.

Materials We Trust & Install Daily

Blown-In Cellulose

Fills every gap, excellent soundproofing, and eco-friendly recycled material.

Fiberglass Batts

Rolled fiberglass with integrated vapor retarder – perfect for open stud walls.

Rigid Foam Board

Highest R-value per inch and 100% moisture-resistant. Code-approved for ground contact.

Stop Wasting Energy – Start Saving

Get Your Free Air Sealing Inspection & Detailed Quote. Takes less than an hour, costs nothing, and shows you exactly where money is escaping.

Proudly Serving Chicagoland & Beyond

We’re based in the Northwest Suburbs and proudly serve homes and businesses across the entire region, including:

Arlington Heights

Mt. Prospect

Palatine

Schaumburg

Hoffman Estates

Barrington

Inverness

Rolling Meadows

Elk Grove Village

Des Plaines

Wheeling

Buffalo Grove

Long Grove

Kildeer

Deer Park

Lake Zurich

Hawthorn Woods

Vernon Hills

Libertyville

Mundelein

Grayslake

Gurnee

Crystal Lake

Elgin

St. Charles

Geneva

Batavia

Naperville

Wheaton

Glen Ellyn

Downers Grove

Lake Geneva, WI

...and Everywhere in Between