Top 10 Items You Shouldn’t Store in a Self Storage Unit

Published on 2/13/2025
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When renting a self-storage unit, it’s important to know what items are not allowed or recommended for storage. Whether for safety reasons, legal restrictions, or preservation concerns, avoiding certain items can protect your belongings, comply with facility regulations, and prevent potential hazards. Below, we outline the top 10 items you should never store in a self-storage unit.

1. Perishable Food and Beverages

Storing food in a self-storage unit can attract pests like rodents and insects, leading to infestations and contamination. Perishable items can also spoil, causing unpleasant odors and potential health hazards.

2. Hazardous Materials and Chemicals

Flammable, toxic, or hazardous materials such as gasoline, propane tanks, paint, fireworks, fertilizers, and cleaning chemicals are strictly prohibited. These items pose serious fire, explosion, and health risks.

3. Living Plants or Animals

Storage units are not designed to sustain life. Plants require sunlight, water, and air circulation, while animals need proper care, making it illegal and inhumane to store them in a unit.

4. Wet or Damp Items

Placing wet or damp items in storage can lead to mold and mildew growth, damaging your belongings and affecting nearby units. Always ensure items are completely dry before storing them.

5. Weapons, Ammunition, and Explosives

Most storage facilities have strict policies against storing firearms, ammunition, and explosives due to safety and legal concerns. These items should be stored in secure, legally approved locations.

6. Cash and Valuables

While storage units are secure, they are not a substitute for a bank’s safe deposit box. Items such as cash, jewelry, rare collectibles, and irreplaceable heirlooms should be kept in a more secure location to prevent loss or theft.

7. Illegal or Stolen Goods

It is illegal to store stolen property, illicit drugs, counterfeit money, or any contraband in a storage unit. Storage facilities cooperate with law enforcement, and illegal activities can lead to criminal charges.

8. Medical or Pharmaceutical Supplies

Certain medical supplies, especially temperature-sensitive items such as medications and vaccines, require controlled environments. Storing these in a non-climate-controlled unit can render them ineffective or unsafe.

9. Tires

Many facilities restrict the storage of tires due to their fire hazard risk and environmental concerns. Additionally, abandoned tires can be costly to dispose of, making them a liability for storage operators.

10. Unregistered or Non-Operational Vehicles

Most storage facilities allow vehicle storage, but they typically require proof of registration and insurance. Storing inoperable or unregistered vehicles may violate facility policies and local regulations.

Final Thoughts

Before renting a storage unit, review the facility’s policies and ask about any restrictions. Understanding what not to store helps keep your items secure, prevents safety hazards, and ensures compliance with storage facility guidelines. At Hideaway Self Storage, we prioritize the safety of our tenants and their belongings. Contact us today to find the best storage solution for your needs!