Why Similar Self-Storage Facilities Can Receive Very Different Insurance Quotes

For self-storage owners with properties in multiple locations, understanding these differences is critical. Insurance costs can affect operating margins, property values, acquisition decisions, and long-term profitability.

Insurance Underwriting Is More Data-Driven Than Ever

Insurance carriers increasingly use sophisticated catastrophe modeling tools to estimate how much a property could lose during a major weather event.

These models may evaluate:

• Historical weather patterns
• Geographic exposure
• Building construction
• Surrounding vegetation
• Flood potential
• Proximity to the coast
• Hail activity
• Wildfire exposure
• Other property and location-specific variables

As a result, an underwriter considers much more than whether a facility has experienced prior claims. A strong loss history is still valuable, but it represents only one part of a much broader risk profile.

A well-maintained facility with few or no claims may still face higher pricing if catastrophe models indicate that it is located in an area with greater weather-related risk.

Location Can Change the Underwriting Picture

Catastrophe exposure varies significantly by region.

For example:

• Gulf Coast properties may receive greater scrutiny for hurricane and wind exposure.
• Facilities in parts of Texas, Oklahoma, Kansas, and Colorado may face concerns related to hail and severe convective storms.
• Properties in Western states may encounter additional wildfire considerations.
• Facilities near flood-prone areas may face challenges even when they are located far from the coast.

Insurers and reinsurers also consider concentrations of risk. If a carrier already insures several properties in a catastrophe-prone area, it may limit how much additional coverage it is willing to offer there.

This helps explain why two operationally similar facilities can receive very different quotes. From an owner’s perspective, the properties may appear comparable. From an insurer’s perspective, they may represent entirely different levels of catastrophe risk.

Pay Attention to the Deductible, Not Just the Premium

A lower premium does not always mean a better insurance option.

Self-storage owners are increasingly encountering catastrophe-specific deductibles rather than a single flat property deductible. Separate deductibles may apply to:

• Named storms
• Wind
• Hail
• Flood
• Other catastrophe-related events

In some cases, these deductibles are calculated as a percentage of the property’s total insured value rather than as a fixed dollar amount. That distinction can have a significant financial impact after a loss.

When evaluating insurance options, owners should ask:

1. Which events are subject to separate deductibles?
2. Is each deductible a fixed amount or a percentage?
3. What would the actual out-of-pocket cost be under different loss scenarios?
4. Does the deductible apply per property, per building, or per occurrence?
5. Could the business comfortably absorb that expense?

Premium savings may look attractive at renewal, but the potential cost retained by the owner deserves equal attention.

Strengthen the Story Your Property Tells Underwriters

You cannot change a facility’s geography, but you may be able to improve how the property performs during a severe weather event.

Depending on the facility’s location and occupancy profile, improvements that may support underwriting conversations include:

• Roof upgrades and documented roof maintenance
• Wind-resistant construction enhancements
• Improved drainage and flood mitigation
• Vegetation management and defensible space planning
• Modern fire protection systems
• Regular property inspections
• Preventive maintenance programs

No single improvement guarantees a lower premium. However, documented investments in resilience and loss prevention can help an owner present a stronger underwriting narrative.

Documentation is especially important. Owners should be prepared to provide records of inspections, repairs, upgrades, maintenance schedules, and other improvements that demonstrate how the property is being protected.

Review Property Values Regularly

Accurate replacement costs are another important part of the underwriting process. Construction inflation, labor expenses, and changing material prices can make older property valuations unreliable. When insured values are outdated, owners may face coverage gaps, coinsurance concerns, or complications after a significant loss.

Periodic valuation reviews can help answer an essential question: Would the current policy provide enough coverage to rebuild the facility at today’s costs?

Maintaining accurate property information supports better coverage decisions and may also improve an insurer’s confidence in the account. For self-storage operators, reviewing insured values should be a routine part of the risk management process, not simply a task completed after a major renovation or acquisition.

Five Questions to Ask Before Your Next Renewal

Before comparing insurance proposals, self-storage owners should consider asking their broker:

1. Which catastrophe models or geographic risks are affecting our pricing?
2. How do our wind, hail, flood, wildfire, or named-storm deductibles work?
3. What would we pay out of pocket following a major event?
4. Are our property values aligned with current rebuilding costs?
5. Which facility improvements could help strengthen our underwriting submission?

These questions can help shift the renewal conversation from simply comparing premiums to understanding the full financial impact of each option.

Look Beyond the Insurance Quote

As insurance capacity and competition change, some self-storage owners may find new opportunities to negotiate their coverage. However, catastrophe exposure remains a major factor in insurers' evaluation of self-storage properties.

A strong insurance strategy should balance affordability with long-term resilience. That means:

• Understanding how catastrophe models affect each location
• Evaluating deductibles alongside premiums
• Maintaining accurate property valuations
• Documenting maintenance and property improvements
• Investing in measures that may reduce the severity of future losses

If pricing varies significantly between locations, there may be valid catastrophe-related factors behind the difference. Identifying those factors can help owners make better decisions about coverage, capital improvements, acquisitions, and long-term risk financing.

A More Proactive Approach to Self-Storage Insurance

At Aegis, we help self-storage owners and operators understand how underwriters evaluate catastrophe exposure, identify opportunities to improve risk, and develop insurance strategies that support both operational goals and changing market conditions.

A proactive insurance review can help reveal the risks driving your pricing and identify options to strengthen your protection, resilience, and long-term profitability. To learn more or request a review, click here.

The above information does not constitute advice. Always contact your insurance broker or trusted advisor for insurance-related questions.