What Not to Store in a Storage Unit: A Complete Guide

Published on 4/1/2026
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Self storage is a convenient solution for decluttering, moving, or storing business inventory—but not everything belongs in a storage unit. Certain items can be dangerous, illegal, or prone to damage, making them unsuitable for storage.

Knowing what not to store helps protect your belongings, ensures safety, and keeps you compliant with storage facility rules.


Why Some Items Are Not Allowed in Storage Units

Storage facilities have restrictions to prevent:

  • Fire hazards

  • Pest infestations

  • Health risks

  • Legal issues

  • Damage to other tenants’ belongings

Understanding these rules helps you avoid penalties or loss of access to your unit.


1. Perishable Food Items

Food should never be stored in a storage unit.

Examples include:

  • Fresh or frozen food

  • Open food containers

  • Pantry goods

Food attracts pests like rodents and insects, which can damage not only your items but also nearby units.


2. Hazardous Materials

Flammable or dangerous substances are strictly prohibited.

Avoid storing:

  • Gasoline or propane tanks

  • Paints and chemicals

  • Fireworks or explosives

  • Cleaning solvents

These items pose serious safety risks and can lead to fires or toxic exposure.


3. Living Things (Plants, Animals, or People)

This may seem obvious, but it’s important:

  • Never store pets or animals

  • Avoid storing plants that require care

  • Storage units are not livable spaces

Lack of ventilation and proper care can quickly become dangerous.


4. Wet or Damp Items

Moisture can cause major problems in storage.

Avoid placing:

  • Wet clothing or fabrics

  • Damp furniture

  • Recently used appliances with water inside

These items can develop mold and mildew, spreading damage to other belongings.


5. Illegal or Stolen Goods

Storage units cannot be used for illegal purposes.

This includes:

  • Stolen property

  • Illegal substances

  • Unauthorized weapons or materials

Violating laws can result in serious legal consequences.


6. Unregistered or Non-Operational Vehicles (in Some Cases)

Some facilities have strict rules regarding vehicle storage.

  • Vehicles may need to be registered and insured

  • Fuel levels may be limited

  • Leaks must be addressed

Always check facility policies before storing a vehicle.


7. Highly Valuable or Irreplaceable Items

While storage units are secure, it’s best to avoid storing extremely valuable or irreplaceable items such as:

  • Cash

  • Rare jewelry

  • Important legal documents

Consider safer alternatives like bank safety deposit boxes for these items.


8. Items with Strong Odors

Strong-smelling items can affect other units and attract pests.

Avoid storing:

  • Garbage or waste

  • Open chemicals

  • Items with lingering odors

Proper cleaning before storage is essential.


9. Batteries and Electronics with Power Sources

Certain batteries can leak or corrode over time.

  • Remove batteries from devices

  • Avoid storing damaged electronics

  • Dispose of hazardous batteries properly

This prevents damage and safety risks.


Choose a Reliable Storage Facility

Understanding storage rules is just as important as choosing the right facility.

Storage Unit of Dickinson provides clean, secure storage units and clear guidelines on what can and cannot be stored. Their team is ready to help you store your items safely and correctly. Call (701) 690-5512 for more information before moving your belongings in.


Common Mistakes to Avoid

Avoid these common storage errors:

  • Storing food or liquids

  • Forgetting to dry items before storage

  • Ignoring facility rules

  • Storing hazardous materials

  • Assuming all items are allowed

A little preparation goes a long way in preventing problems.


Final Thoughts

Self storage is a powerful tool for organization and space management—but only when used correctly. Knowing what not to store helps protect your belongings, your safety, and others around you.

For safe, secure, and reliable storage solutions, trust Storage Unit of Dickinson. Call (701) 690-5512 today to reserve your unit and store with confidence.