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Why does it smell like something died in my garage?
Signs Of The Pests Causing The Unpleasant Smell
How To Get Rid Of This Smell
Professional Solution That Actually Works
CEO at AnchorPest Services
Updated November 23
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With over 20 years of experience, Anchor Pest offers personalized, chemical-safe treatments for homes and businesses across Manchester and surrounding counties
When you encounter a smell in your garage that resembles something dead, the most common culprit is often a pest problem. Rodents, such as rats or mice, can invade spaces like garages, seeking shelter or food. If they happen to die in areas that are hard to reach or hidden, their decomposing bodies can produce a very strong, unpleasant odor. This can occur in places like behind boxes, inside walls, or under floorboards.
Aside from pests, other potential sources of a foul smell might include:
In areas like Nashua, New Hampshire, where basements and garages are common, it's very important to be vigilant about pests and other potential causes of unpleasant odors. Understanding the source of the smell can help in managing the issue better.
Professional pest control eliminates troubles immediately. Our safe, effective treatments protect your loved ones from dangerous diseases.
A persistent foul smell that seems to come from tight, enclosed, or hard‑to‑reach spaces often indicates a decomposing pest. Areas such as behind stored boxes, inside wall voids, or beneath floorboards are common hiding spots where rodents may die and begin to smell.
If you notice fresh droppings, nesting materials, or signs of gnawing around the garage, it suggests recent pest presence. When these signs appear alongside a strong odor, it is often a clear indicator that a rodent may have died nearby.
A decomposing pest typically creates a smell that grows stronger over several days. If the odor becomes increasingly potent rather than fading, it is a strong sign that the source is organic decay, such as a dead rodent hidden within the garage structure.
To effectively get rid of pests, first, you need to identify what type of pest is causing the problem. Common pests in garages include:
Once you’ve identified the pests, the next step is to seal any entry points. Look for gaps or holes in walls, around windows, and doors. Use materials like:
Make your garage less inviting to pests. Clean the area thoroughly by:
Using traps can be an effective way to manage and reduce pests. Depending on the type of pest you are dealing with, consider:
If the infestation persists or is large, it may be time to call in a professional. Pest control experts can provide targeted treatments, inspect for hidden populations, and give advice on long-term pest management strategies that suit your specific situation.
Professional pest control eliminates troubles immediately. Our safe, effective treatments protect your loved ones from dangerous diseases.
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Our certified technicians eliminate pests infestations completely and permanently.
Here's what you get:
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Trained experts identify entry points and nesting areas
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Pet and family-friendly methods used
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Targets entire colony, not just visible insects or rodents
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Long-term exclusion strategies
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Proper cleanup and sanitization
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Service warranty and follow-up visits
Complete property assessment within 24 hours
Safe, effective treatment of entire colony
Long-term exclusion and monitoring
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