Knowing the Enemy: Two Species Invading Boise
1. Norway Rats (Rattus norvegicus)
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Appearance: Heavy-bodied, 7–10 inches long with a blunt nose, small ears, and a tail shorter than their body.
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Habits: These ground dwellers prefer to burrow under sheds, concrete slabs, decks, and along irrigation canals.
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Boise Hotspots: Extremely common near canals, properties with backyard chicken coops, unsealed pet food, or open compost bins.
2. Roof Rats (Rattus rattus)
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Appearance: Slimmer and more agile, with pointed noses, large ears, and tails longer than their bodies.
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Habits: True acrobats of the rodent world. They use mature trees, utility wires, and fence lines as highways to reach rooflines and attics.
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Boise Hotspots: Older neighborhoods with dense tree canopies, mature fruit trees, climbing vines, and unsealed soffit vents.
Why Is the Treasure Valley Seeing More Rats Now?
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Rapid Infill & Construction: Ground disturbance from new development drives wild rodents out of field nests and directly into nearby residential yards and crawl spaces.
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Mild Winters & Waterways: Our mild seasonal dips combined with expansive irrigation networks give rodents year-round moisture and cover.
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Abundant Backyard Resources: The popular rise of urban chicken coops, fruit trees, backyard bird feeders, and open outdoor compost creates high-calorie buffets.
What You Can Do in the Meantime (DIY Prevention Checklist)
1. Cut Off Food & Water Sources
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Secure Food: Store dog/cat food and chicken feed in heavy-duty metal or thick plastic airtight bins. Bring pet dishes inside overnight.
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Pick Up Fallen Fruit: Harvest apples, plums, and berries promptly. Don’t leave fallen fruit on the ground overnight.
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Pause Bird Feeders: Spilled seed on the ground is one of the top attractants for both Norway and Roof rats.
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Fix Leaks: Repair dripping outdoor spigots and leaky irrigation lines to eliminate standing water.
2. Modify Your Landscaping
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Trim tree branches back at least 3–4 feet from your roofline and fences.
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Thin out dense groundcovers (like heavy ivy or overgrown juniper bushes) where Norway rats hide.
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Stack firewood and debris at least 18 inches off the ground and away from your home’s foundation.
3. Basic Home Defense (Seal the Gap)
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Check garage doors for worn bottom seals where a gap exists.
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Install 1/4 inch galvanized hardware cloth over crawlspace vents or foundation gaps.
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Use copper mesh or steel wool combined with expanding foam to temporarily pack around exterior pipe penetrations (like AC lines).
⚠️ Logan’s Pro Tip: Be careful about sealing every entry point if you already have an active infestation inside. Trapping rats in wall voids or attics without eliminating the population first can lead to dead rodents in inaccessible spaces, creating severe odor issues.
How Boise Pest Pros Can Help You
The Boise Pest Pros 4-Step Rodent System:
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Thorough Inspection: We map entry points, active exterior burrows, crawl spaces, attics, and determine the exact species driving the infestation.
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Species-Match Trapping: We execute a targeted indoor and outdoor trapping plan to achieve high-impact population knockdown without putting pets or non-target wildlife at risk.
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Professional Exclusion: We perform heavy-duty physical sealing using commercial-grade steel mesh, hardware cloth, and custom barriers to permanently block entry routes.
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Ongoing Protection & Monitoring: We provide continuous monitoring and perimeter defense to ensure long-term, rodent-free protection for your property.
Take Back Your Home Today

Logan, Co-Owner of Boise Pest Pros: Proudly local, family-operated, and protecting Boise homes from pests.
📞 Call Boise Pest Pros at 208.900.4680
🪲 Serving Boise, Meridian, Kuna, Nampa, Caldwell, Eagle, Star, Middleton, and beyond
By Logan Kimball, Owner of Boise Pest Pros – Serving Boise, Meridian, Kuna, Nampa, Caldwell, Eagle, Star, & Middleton, Idaho










