Guide · 6 min
Almost every operator offers (or requires) insurance for your items. But what it actually covers is narrower than you'd think — and what's excluded might be exactly what you went to store.
Self storage is safe, but not immune. Fire, water damage, theft and natural disasters happen — rarely, but they happen. The question isn't 'will something go wrong?', it's 'if it does, who pays?'. The answer hinges on a policy most people sign without reading.
Here's what's usually covered, what almost never is, and how to decide if the add-on is worth it.
Most self storage policies cover losses from sudden events outside your control: fire, break-in theft, vandalism, and certain water damage (burst pipe, covered flooding). Some include windstorm and hail.
In other words: insurance exists for the catastrophic accident, not for everyday wear.
Here's the surprise. Common exclusions:
Gradual damage from humidity/mould/poor ventilation — the most frequent self storage problem is exactly what's usually EXCLUDED. That's why climate control and prevention matter so much.
Very high specific-value items: jewellery, watches, precious metals, cash, furs, high-value art — usually excluded or capped very low.
Natural wear, deterioration, temperature damage, neglect.
Perishables, irreplaceable documents, electronics without proof of purchase.
Translation: the operator's insurance doesn't replace care when storing.
Many home/renters insurance policies cover belongings off-premises — including self storage — but with a reduced limit. It commonly covers up to ~10% of your home contents' insured value. If you insure $50,000 in goods, the off-premises limit may be $5,000.
Before buying the operator's insurance, call your insurer and ask about off-premises coverage. You may already be covered for the essentials — or you may lack coverage exactly for valuables, where dedicated insurance makes sense.
Worth buying when: you have no home insurance with external coverage; you'll store for many months; or the items' value exceeds your home policy's limit.
Don't pay twice for the same thing. And don't count on any insurance to cover mould — that's prevented, not reimbursed.
1. Photograph everything before closing the unit — it's your proof in any claim.
2. Read the policy, especially exclusions and the per-item cap.
3. Check your home insurance before accepting the operator's.
4. Prevent what insurance won't cover: a good steel padlock (theft), silica/climate control (humidity), covers (dust). See [supplies](/en/packing-supplies/).
Want help choosing an operator with solid security practices and clear insurance? [Ask our concierge](/en/contact/).