Exclusion is the gold standard for humane animal control—it stops wildlife and pests from entering your space rather than trapping or relocating them after they've already settled in. When done correctly, exclusion methods are cost-effective, permanent, and eliminate the need for repeat service calls. Understanding how professional animal control providers execute these techniques will help you choose the right contractor and know what to expect.
What Is Exclusion in Animal Control?
Exclusion means sealing entry points, installing barriers, and removing attractants so animals can't access your property. Unlike lethal control or relocation, exclusion prevents the problem before it starts. A qualified animal control technician will conduct a thorough inspection, identify how raccoons, squirrels, bats, or other wildlife are entering your home or business, and block those routes permanently.
This approach typically costs less over time because you're solving the root cause, not managing symptoms. Most exclusion jobs run $300–$1,500 depending on property size and the number of entry points, though extensive work on larger buildings can exceed that range.
Common Entry Points and How Professionals Seal Them
Wildlife exploits small gaps you might overlook. Here's where animal control specialists focus:
- Roof vents and chimney caps: Uncovered vents are highways for raccoons and squirrels. Professionals install metal screening or one-way doors that let animals exit but prevent re-entry.
- Soffit and fascia gaps: Loose or damaged wood trim along rooflines creates easy access. Technicians repair and reinforce these areas with hardware cloth or metal flashing.
- Foundation and basement openings: Cracks, missing mortar, and gaps around pipes allow burrowing animals in. Sealant, foam, and hardware cloth fill these spaces.
- Attic vents and louvers: Broken or unscreened vents let bats and birds enter. Professionals replace damaged vents with screened or one-way versions.
- Dryer vents and exterior ducts: These warm, dark passages attract rodents and other pests. Technicians install metal hoods or flapper doors that close automatically.
- Garage doors and door frames: Weatherstripping and frame repairs stop animals from squeezing underneath.
One-Way Doors: Temporary Exclusion Before Permanent Sealing
One-way doors (also called exclusion doors) allow animals already inside to leave but prevent re-entry. This is a critical step before permanently sealing entry points.
Your animal control provider will install these devices at primary exit points for 3–7 days, giving trapped animals time to find their way out. Once you're confident the space is empty—no sounds, no activity—the technician seals the exit permanently. Skipping this step risks sealing live animals inside, leading to death, odor, and secondary pest infestations.
One-way door installation typically adds $150–$400 to your total exclusion project, depending on the number of doors needed.
Removing Attractants: The Often-Overlooked Step
Even perfect exclusion fails if you leave food, water, or shelter available outside. Professional animal control includes attractant removal recommendations:
- Secure garbage cans in locked bins or store them in a garage until pickup day
- Remove fallen fruit from trees and clean up bird seed beneath feeders
- Trim tree branches hanging over your roof (wildlife highways)
- Store pet food indoors and feed pets at scheduled times rather than leaving food out
- Secure compost bins with locks or use enclosed, critter-proof designs
- Keep gutters clean to prevent water accumulation
A good animal control contractor will walk you through these steps and explain why each matters for preventing future issues.
How to Choose an Animal Control Provider
When comparing providers, look for these credentials and practices:
- Wildlife removal certification: Ask about state licensing and certifications from professional organizations
- Humane methodology: Confirm they prioritize exclusion and one-way doors over lethal removal
- Warranty terms: Reputable providers offer 1–3 year guarantees on exclusion work; if animals return through sealed areas, they'll re-seal at no charge
- Written inspection reports: Request a detailed estimate listing every entry point and the method to address it
- References: Ask for customer contacts and check reviews on Google, Yelp, or industry sites
Mercoly helps you compare and find trusted animal control providers in your area, making it easier to review credentials, pricing, and customer feedback side by side.
Frequently Asked Questions
Q: How long does a typical exclusion project take? Most exclusion jobs are completed in 1–2 days, though larger properties or complex structural issues may require additional visits.
Q: Can I do exclusion work myself? Minor sealing around small gaps is possible, but professionals have the equipment, experience, and warranty backing to handle larger or hard-to-reach areas safely and effectively.
Q: Will exclusion work if animals are still inside? No—you must use one-way doors first to ensure the animal leaves before permanently sealing, otherwise you trap it inside and create worse problems.
Start your search today and get quotes from qualified animal control providers in your area.