Are Self-Storage Units Safe?

Let’s be honest — handing your belongings over to a storage unit feels like giving up control. You’re wondering if your things will be okay sitting there, out of sight, for months on end. Will they stay dry? Will they stay safe from prying eyes? Wait, how often do storage units get broken into? The good news is storage units can be pretty secure when you know what to look for.

In this post, we sift through the fine print to bring you the lowdown on storage unit security — from storage unit theft to what really makes a unit safe. You’ll also find easy tips you can use to protect what’s yours. After all, you shouldn’t have to guess if your things are secure — you should know.

Common Concerns About Self-Storage Unit Security

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When considering a storage unit, one of the first questions is often, “Is my stuff going to be safe here?” — fair enough. Self-storage facilities typically aim to protect belongings, but as with any service, there are a few security concerns to keep in mind.

1. Theft and Break-Ins

Most storage facilities are built with security in mind, yet theft still occurs. Two of the most common types of break-ins involve either cutting through locks or sneaking between units. In some cases, intruders rent a unit, then cut through walls or slip over dividers to access neighboring spaces undetected. This method can go unnoticed for a while without proper monitoring.

2. Environmental Damage

Not every storage unit is sealed off from the elements, and water can seep into units with damaged roofs or floors. In some cases, even minor moisture can allow mold and mildew to build up, especially in non-climate-controlled units. This poses a particular risk to sensitive items like fabrics, wood, electronics or paper.

3. Neglect and Lack of Maintenance

An often-overlooked risk is poor facility upkeep. Neglected facilities may show signs of damage, such as broken fencing or inadequate lighting, which can make break-ins easier and invite additional types of crime. When managers skip regular maintenance, pests like rodents and insects can also become an issue.

4. Limited Insurance Coverage

Most storage facilities outline the limits of their responsibility, meaning they aren’t liable for damage or loss of stored items. Insurance coverage for theft, fire and weather events can vary widely, and many policies exclude certain incidents, like mold or flooding.

What To Look for When Choosing Safe Storage Units

Selecting a secure storage facility doesn’t need to be complicated — just be sure to read online reviews, take into account the location and check for these six key features:

1. Security Cameras

Quality security starts with surveillance. Look for facilities with 24/7 video monitoring — ideally with digitally stored footage. Cameras should cover all high-traffic areas like entrances and aisles between units. Sometimes the presence of cameras alone can deter crime.

2. Good Lighting

Bright lights are a must, especially near entrances and hallways. Motion-activated or always-on lighting makes it easier to spot suspicious behavior and helps both staff and tenants feel safer on-site.

3. Strong Fencing

A solid perimeter fence is an essential first line of defense. It should surround the property completely and include a limited number of entry points for better control over who comes and goes.

4. Patrols

Some storage facilities have security personnel or routine patrols that regularly check the premises. If visible, they can help deter potential thieves and ensure ongoing facility safety.

5. On-Site Management

Even without patrols, an on-site manager, or even a resident manager, can enhance security by simply providing an extra set of eyes on the property. Facilities that are staffed rather than fully automated are less likely to attract intruders and address any issues more quickly.

6. Tech Features

Advanced technology has become a standard in secure storage facilities, as it adds another level of protection. Look for:

  • Access control systems, like keypad or biometric access controls that limit entry to authorized individuals.
  • Door alarms and smart locks that allow remote monitoring and can alert tenants to unauthorized access attempts.

Pro tip: Check for indoor storage options — an enclosed structure acts as an additional physical barrier against both weather and intruders.

How To Keep Your Stored Belongings Secure

Even the most secure facility can benefit from a few added precautions on your part. Taking the extra steps within your control can make all the difference in having a positive self-storage experience.

1. Choose the Right Lock

All units get locked, but not all locks offer the same level of protection. Disc locks, closed-shackle locks and cylinder locks are more secure than traditional padlocks, as they’re harder to cut with bolt cutters. Avoid using locks with long shackles since they’re easier to tamper with.

2. Check on Your Belongings

Besides giving you peace of mind, regular visits to your unit can discourage theft. Aim to stop by at least once a month, but vary the days and times of your visits. This unpredictability makes it harder for potential intruders to detect a pattern. During these check-up visits, as well as when moving items in or out of your unit, take a few minutes to assess your surroundings — this helps you stay alert to any unusual activity.

3. Keep a Detailed Inventory

An efficient way to stay organized is to make a list with all your stored items. This can also assist with insurance claims if anything goes missing. Take photos and note serial numbers for higher-value items, and label boxes for easy tracking. To make it easier, install a free inventory app on your phone.

4. Maintain Storage Unit Insurance

Most storage facilities have limited liability, meaning you’ll want (and sometimes you’re required to get) additional coverage for full protection. Storage insurance can cover damage, loss or theft, and you may be able to extend coverage through your homeowner’s or renter’s policy.

Pro tip: Look for policies that cover a range of incidents, including fire, theft and water damage.

Self-storage Security Checklist

To make this entire process as easy as possible, here is a quick checklist to help you assess the storage unit security before signing the contract and to keep you on the right track once you seal the deal:

  • Choose a facility with strong fencing, good lighting and 24/7 surveillance.
  • Opt for an indoor unit, as it adds an extra barrier against both theft and weather.
  • Use a disc or cylinder lock; avoid padlocks with long shackles.
  • Keep your code or key private.
  • Check on your unit regularly to spot any issues early.
  • Keep a detailed inventory, with photos and serial numbers for valuables.
  • Protect your stored items with storage insurance or a policy extension.
  • Watch for red flags and report any suspicious activity to facility management.
  • Verify the facility’s emergency response plan by asking how they handle events like fire or severe weather.
  • Keep high-value items in less accessible areas within the unit (e.g. at the back).
  • For sensitive items, consider a climate-controlled unit.

FAQ on Storage Unit Security

How do I protect my belongings in storage?

Choose a secure facility, use a strong lock, keep an inventory, visit regularly and consider insurance.

What are the most overlooked self-storage risks?

Mold, pest infestations, limited insurance and facility maintenance issues.

How secure are your belongings in storage units?

With proper security features (like cameras, lighting and fencing), belongings are generally safe, but added precautions always help.

Is it safe to keep money in a storage unit?

No, it’s best to avoid storing cash, as it’s not insured and poses a high theft risk.

So, Are Storage Units Safe?

With the right setup — like solid locks, regular check-ins and a facility that takes security seriously — the answer is a solid yes. By choosing a facility with strong security features with Storage.com, and following the practical tips above, you can trust that what matters to you is in good hands.

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With so many options and a detailed rundown on each facility, Storage.com takes the headache out of finding that perfect storage unit. From climate control options to 24-hour accessibility, our inventory has everything you might need from a storage unit. Just search, compare and reserve your unit with ease on Storage.com.

Shawnna Stiver is a veteran content writer and copy strategist with over 22 years of experience. She has had the pleasure of writing traditional, digital and social content for the following industries: beauty, construction, consumer goods, entrepreneurship, financial services, health/wellness, home improvement/DIY, lifestyle, moving, non-profit, parenting, self improvement and travel. In addition, she’s led content strategy for the self-storage industry since 2022.