Bats in Your Walls? How to Find Them and Get Them Out in Utah

Bats in walls are more complicated — and more dangerous — than attic infestations. They’re harder to detect, harder to remove without trapping pups, and more likely to enter your living space through gaps around outlets, pipes, and fixtures. Here’s everything Utah homeowners need to know.

How Bats Get Into Walls

Bats access wall voids from exterior gaps in siding, brick mortar, stucco, or trim — then navigate through the wall cavity. Wall infestations are especially common in:

• Pre-1980 Utah homes with dried and separated wood siding
• Older Wasatch Front brick homes with deteriorating mortar joints
• St. George-area stucco construction with freeze-thaw cracking
• Homes with foam exterior insulation never fully sealed at the edges

Signs You Have Bats in Your Walls (Not Attic)

• Scratching sounds from inside a wall — not above you — at dusk and pre-dawn
• Bats exiting your home from low points (below the roofline)
• Dark greasy staining at wall-level gaps rather than at the roof peak
• A bat exiting through a gap around an electrical outlet or interior pipe penetration

Why Wall Bat Removal Is More Difficult

• Limited inspection access: You can’t walk into a wall void — finding all entry points requires careful exterior observation at dusk
• High trapping risk: Limited exit routes mean incorrect exclusion easily traps bats, causing deaths, odor, and secondary pests for months
• Higher living-space intrusion risk: Wall colonies are closer to living areas and more likely to find outlet/pipe gaps into rooms
• Guano remediation: Guano inside wall voids may require wall opening in severe cases

Professional Wall Bat Removal Process

1. Sunset observation: Watch all sides of the home to identify every exit point simultaneously
2. Interior gap sealing first: Seal any gap between wall void and living space before exterior exclusion begins
3. One-way exclusion at wall entries: Allow exit, prevent return for 5–7 days
4. Permanent sealing: All wall entry points sealed with surface-appropriate materials after colony vacates

Cost of Wall Bat Removal in Utah

Typically $400–$1,800 for exclusion; additional costs if interior guano remediation requires wall opening. Free estimates: (801) 675-8829.

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