
Bat Removal in Central Ontario
Bats provide important ecological benefits by consuming vast quantities of insects, but when they roost in homes and buildings, they create serious health and safety concerns. Bat droppings (guano) can harbor dangerous fungi, and bats are the primary vector for rabies transmission to humans in Ontario. Bat removal is strictly regulated by provincial law to protect these beneficial animals. Fortress Pest Control provides professional bat exclusion services that comply with all wildlife regulations while permanently solving your bat problems.

Understanding Bat Issues
Several bat species inhabit Central Ontario, with little brown bats and big brown bats being the most common structure-invading species. Bats enter buildings through remarkably small openings—gaps as narrow as 3/8 of an inch. They typically roost in attics, wall voids, and behind shutters, leaving during evening hours to feed on insects. Signs of bat presence include seeing bats entering or exiting at dusk, hearing squeaking or scratching sounds in walls or ceilings, and discovering accumulations of guano (bat droppings) on siding, porches, or in attics. Bat guano can harbor Histoplasma capsulatum, a fungus that causes respiratory disease in humans. Additionally, bats can carry rabies, making direct contact extremely dangerous. Ontario law prohibits bat exclusion during maternity season (approximately May through August) when flightless young may be present.
Common Signs You Need Professional Help
Early detection is crucial for effective pest control. If you notice any unusual activity, damage to your property, or pest sightings—especially during off-hours—it's time to call in professionals. Our trained technicians can identify the extent of infestations that may not be visible to untrained eyes, potentially saving you thousands in structural repairs.
Understanding the Pest: Biology & Behavior
Central Ontario hosts several bat species, with little brown bats and big brown bats most commonly found in structures. Bats are beneficial mammals that consume thousands of insects nightly. They're protected under Ontario wildlife regulations. Bats roost colonially in attics, soffits, and wall voids, entering through openings as small as 6mm. They're most active in summer, hibernating or migrating in winter. Females form maternity colonies in spring, giving birth to single pups in June-July. Bats don't cause structural damage but accumulate guano (droppings) that poses health risks. Understanding their protected status and biology is crucial for legal, effective exclusion.
Our Bat Exclusion Process
Legal, effective bat exclusion requires timing, expertise, and specialized techniques. We conduct thorough inspections to identify all potential entry points—bats use multiple access points, so comprehensive assessment is critical. We install one-way exclusion devices at active entry points, allowing bats to exit during their nightly feeding flights but preventing re-entry. Once all bats have been excluded (typically requiring several days), we seal all entry points using materials and techniques that prevent future access. Our exclusion work includes sealing gaps around chimneys, vents, soffits, fascia boards, and any other openings. We schedule all work in compliance with Ontario's bat protection regulations, avoiding maternity season unless emergency situations require special permits. For properties with guano accumulation, we provide referrals for professional remediation services.
1. Inspection
Thorough assessment to identify pest species, infestation extent, and entry points.
2. Treatment
Targeted application of professional-grade products safe for your family and pets.
3. Follow-Up
Monitoring and additional treatments as needed to ensure complete elimination.
Our Treatment Process: What to Expect
Bat exclusion must comply with Ontario wildlife regulations prohibiting exclusion during maternity season (May 1 - August 31). Our process begins with comprehensive inspection identifying entry points and roost locations. We install one-way bat valves at entry points, allowing bats to exit but not re-enter. Exclusion timing is critical—we perform exclusions in spring (before maternity season) or fall (after young are flying). Once all bats have exited, we permanently seal entry points. We clean and decontaminate affected areas, removing guano and treating with antimicrobial solutions. Most exclusions complete within 2-4 weeks depending on timing and colony size.
Prevention & Long-Term Protection
Bat prevention requires sealing potential entry points. Inspect and seal gaps around chimneys, vents, soffits, fascia, and where utilities enter. Install chimney caps and vent screening. Repair damaged roof materials. Seal gaps larger than 6mm. Spring and fall are ideal times for exclusion work. Never seal entry points during maternity season (May-August)—this traps flightless young inside, causing inhumane deaths and odor problems. Professional inspection identifies all potential entry points bats might exploit.
Pricing & Investment
Bat exclusion costs range from $400-$1,500 depending on entry point count, colony size, accessibility, and cleanup needs. Basic exclusion (1-2 entry points) costs $400-$700. Complex situations with multiple entry points or extensive guano cleanup cost $800-$1,500+. Pricing includes inspection, one-way valve installation, permanent sealing, basic cleanup, and follow-up verification. Extensive guano removal and attic restoration are quoted separately. Proper exclusion prevents recurring problems and protects your home from contamination.
Our Qualifications & Experience
Fully licensed and insured pest control operators in Ontario — Vendor Licence L-240-9420672897
Over 15 years of combined experience serving Central Ontario
Certified in Integrated Pest Management (IPM) techniques
Member of the Canadian Pest Management Association (CPMA)
Ongoing training in latest pest control methods and safety protocols
Specialized expertise in Central Ontario's unique pest challenges
Why Choose Fortress Pest Control?
Full compliance with Ontario bat protection regulations
Thorough inspections identifying all entry points
Proven one-way exclusion techniques that work
Permanent sealing preventing future bat access
Knowledge of bat behavior and biology ensuring effective timing
Frequently Asked Questions
Ready to Solve Your Pest Problem?
Protect your family from bat-related health risks with legal, professional bat exclusion. Contact Fortress Pest Control at (249) 444-7379 to schedule your bat inspection and exclusion service.
