Lake Stevens, WA · Snohomish County

Bird & Bat Guano Cleanup in Lake Stevens, WA

Pigeon droppings stacking up on your Lake Stevens warehouse, rooftop or storefront need more than a hose. Call (877) 812-4220 and get guano removed, the area cleaned and disinfected for safe reuse.

  • Answered 24/7
  • Unmarked vehicles
  • OSHA bloodborne pathogen protocols
  • Insurance claim help

If anyone is in danger, call 911 first. For a suicide crisis, call or text 988.

Bird & Bat Guano Cleanup in Lake Stevens, WA

Bat Guano Removal in Lake Stevens, WA Attics and Barns

Guano cleanup is the safe removal of bird and bat droppings from attics, barns, chimneys, roofs and ledges, along with soiled insulation, then disinfection of the affected area. Dust control is built into every step.

When bats or birds leave droppings on your property in Lake Stevens, you get a crew that wets down and contains the material before removal. The team bags it, disinfects the area and checks the finished work. For Snohomish County jobs, call Lake Stevens Biohazard Cleanup Help.

Lake Stevens gets about 40 inches of rain a year, and damp air keeps guano and soaked insulation wet, which strengthens odors and encourages mold on wood. Only about 23% of homes in Lake Stevens were built before 1980, but newer roofs, vents and soffits can still give bats and birds a way in.

A typical bird & bat guano cleanup job includes:

  • Cleanup after wildlife exclusion, once bats or birds have been removed by a professional
  • Odor removal and deodorizing of ammonia-like smells left by droppings
  • Disinfection of wood framing, joists and hard surfaces with EPA-registered products
  • Cleaning of stained ceilings, walls and floors below an affected attic
  • Commercial guano cleanup on warehouses, storefronts, loading docks and parking structures

How Crews Contain and Remove Guano in Lake Stevens, WA

1. Keep everyone away

Family members, tenants, staff and pets stay out while the crew plans the work and gets into protective equipment.

2. Wet down thick deposits

Heavy or caked droppings are softened with a light mist so they can be lifted without raising dust.

3. Take out contaminated material

Guano, matted insulation and nesting debris are packed out, and salvageable items are set aside for cleaning.

4. Treat and verify

The space is disinfected, deodorized and inspected, and the crew explains what repairs or insulation work may follow.

Bird & Bat Guano Cleanup Cost in Lake Stevens, WA

Most bird & bat guano cleanup jobs in Lake Stevens, WA cost between $500 and $9,000, based on published cost guides.

Commercial and rental properties often need documented cleanup for managers, inspectors or buyers, which adds time.

Type of jobTypical range
Full attic restoration$4,500 - $9,000+
Minor spot cleaning$500 - $1,200
Bat droppings cleanup in larger infestations$600 - $8,500
Standard remediation$1,500 - $4,000

Estimates only, not a quote. Sources: Bat guano remediation cost guide, HomeAdvisor. Price drivers include amount and depth of droppings, attic size, insulation removal, access. Call (877) 812-4220 to talk through the job.

Try the Lake Stevens Biohazard Cleanup Cost Calculator →

Common Questions About Guano Removal in Lake Stevens, WA

How much does guano removal cost?

It depends on the size of the area, the depth of the deposit, how much insulation must come out and how hard the space is to reach. A small ledge costs less than a full attic. The team sets the price after seeing the space.

Do I need to replace attic insulation after guano?

Usually, if droppings or urine have soaked into it. Soiled insulation holds contamination and odor and cannot be reliably cleaned. After removal, new insulation is installed as a separate job.

Is guano dangerous?

It can be. Dry guano releases fine dust, and some bird and bat droppings can carry a fungus linked to histoplasmosis, a lung infection. Many people never get sick, but older, heavy deposits carry more risk. Avoid stirring it up.

How do I know if I have bats in my attic?

Common signs are dark droppings that crumble, stains on walls near gaps, a strong ammonia smell and squeaking or scratching at dusk and dawn. Droppings often collect in piles below entry points. A wildlife professional can confirm it.

What should I do first if I find guano?

Do not sweep, blow or vacuum it. Keep people and pets away and leave it undisturbed until you know the size of the job. Call Lake Stevens Biohazard Cleanup Help at (877) 812-4220 to talk through the safest next step.

Should I remove the bats first or clean the guano first?

The animals come out first. Wildlife professionals handle exclusion, and rules about bats can vary by species, season and place. Cleanup follows once the space is no longer in use by animals.

Found bat or bird droppings in Lake Stevens, WA?

Guano dust is easy to breathe in, so protection and containment come first.

Call (877) 812-4220
☎ Call (877) 812-4220