2026 Storm, Flood, and Earthquake Disaster Insurance Before Typhoons and Flooding: From Tenants’ Belongings to Small Business Factories

Storm, Flood, and Earthquake Disaster Insurance is a policy insurance program in which the central and local governments subsidize part of the premium, while private insurers sell the policies and pay claims. Unlike disaster relief payments, which are determined after a typhoon or heavy rain occurs, contractual insurance benefits are paid according to the insured property and coverage limits selected by the policyholder.

The government has been operating its 2026 summer natural disaster preparedness period since May 15. During periods when the risk of typhoons and localized torrential rain increases, policyholders should check in advance not only the address but also which buildings, household belongings, facilities, and inventory assets are included in the policy.

What disasters are covered?

The basic disasters covered by Storm, Flood, and Earthquake Disaster Insurance are as follows.

• Typhoons
• Floods
• Heavy rain
• Strong winds
• Wind waves
• Storm surges
• Heavy snow
• Earthquakes and tsunamis

Not every leak or type of water damage is automatically recognized as flood damage. Damage for which no causal relationship with a natural disaster covered under the policy can be established, such as leaks from aging pipes, inadequate maintenance, or ordinary rainwater intrusion, may not be covered. Whether a claim is paid is determined by reviewing weather advisories, the cause of damage at the site, the insured property, exclusions, and deductibles together.

Who can insure what?

The key is to distinguish property that the policyholder actually owns or in which the policyholder has an insurable interest, rather than focusing only on the address.

Tenants are not excluded from eligibility merely because they rent. However, the building owned by the landlord and the movable property and facilities owned by the tenant are different types of property, so it is necessary to distinguish who insured each one. Keeping the lease agreement, an asset list, purchase receipts, and ordinary-condition photographs can help establish ownership and value during a damage investigation.

Differences between fixed-benefit and indemnity coverage

Storm, Flood, and Earthquake Disaster Insurance offers fixed-benefit and indemnity products depending on the insured property. The available coverage method may vary depending on whether the property is a residence, greenhouse, or small business premises and on the insurer’s products.

Under fixed-benefit coverage, the benefit may not match the amount shown on actual repair receipts. Conversely, indemnity coverage does not pay the full coverage limit merely because damage occurred; it is based on the amount of loss actually recognized.

If the same property is covered by a wind and flood endorsement under another fire insurance or comprehensive property insurance policy, policyholders should also check for duplicate coverage. Under indemnity coverage, the combined benefits from multiple policies cannot exceed the actual loss, and proportional compensation may apply among insurers.

Changes to small business coverage in 2026

In 2026, the annual coverage limits for small business commercial establishments and factories were increased.

These amounts are not fixed sums that are automatically paid when damage occurs. The actual benefit is determined by considering the insured property specified in the policy, the insured amount, the recognized loss, the deductible, and cumulative annual payments. If only some of the building, facilities and fixtures, machinery, or inventory assets are insured, damage to uninsured property is not covered.

In 2026, the scope was supplemented so that damage may also be recognized when a weather advisory is issued for an area adjacent to the insured area, provided that the actual cause of damage and the policy requirements are satisfied. However, benefits are not paid automatically merely because an advisory was issued for an adjacent area. It must be confirmed that damage occurred at the insured location due to the relevant weather phenomenon.

How much of the premium is subsidized?

The premium subsidy rate is the percentage of the total premium paid by the central and local governments. The basic subsidy rates under the Ministry of the Interior and Safety’s 2026 guidance are as follows.

If a local government provides additional funding from its own budget, the actual subsidy rate may be higher, and some eligible policyholders may receive full support. However, additional support varies by region, eligibility requirements, and remaining budget, so the same rate does not automatically apply nationwide.

When comparing premiums, policyholders should check the out-of-pocket amount after subsidies rather than the total premium before subsidies. Even for the same building, premiums may vary depending on regional disaster risk, area, structure, insured amount, and coverage method.

How are disaster relief payments different from insurance benefits?

Disaster relief payments and insurance benefits differ in purpose and calculation method.

Disaster relief payments are not a system that restores all losses to their original condition. Insurance also does not cover all damage to uninsured property or losses beyond the coverage limit. Disaster relief payments should therefore not be regarded as a substitute for insurance, nor should policyholders assume that obtaining insurance allows them to receive both insurance benefits and disaster relief payments in full for the same damage.

Enrollment procedure to check before typhoons and flooding

1. Distinguish the property to be insured

Separate residential buildings, tenants’ movable property, greenhouses, commercial establishment facilities, factory machinery, and inventory assets. Tenants operating businesses should not rely solely on insurance purchased by the building owner and should check whether facilities and inventory they installed or own are included.

2. Check eligibility and the subsidy rate

Check the type of residence, whether the business qualifies as a small business, whether the policyholder is a basic livelihood security recipient or belongs to a near-poverty household, and whether the property is in a disaster-vulnerable area. Because additional premium subsidies from local governments may run out, it is advisable to inquire separately.

3. Compare coverage methods and limits

Check whether coverage is fixed-benefit or indemnity, the insured amount for each asset, and how deductibles and annual coverage limits apply. Small businesses should not focus only on the maximum limits of KRW 150 million for commercial establishments and KRW 200 million for factories, but should check the actual amounts entered in the policy.

4. Check the effective date of coverage

Insurance does not retroactively cover an incident that has already occurred. Do not assume that all coverage begins immediately upon submitting an application or paying the premium; check the insurance period and effective date shown on the policy.

5. Retain supporting documents immediately after enrollment

Keep the insurance policy, lease agreement, business and small business verification documents, asset list, and purchase receipts. Photographs of the building and interior, machinery, fixtures, and inventory with verifiable dates can help prove their condition before an incident.

What to do when damage occurs

1. Ensure personal safety first and eliminate additional hazards involving electricity, gas, and other sources.
2. Report the incident to the insurer as quickly as possible.
3. Before removing water or disposing of items, document the entire affected site and detailed damage with photographs and videos.
4. If emergency repairs are necessary, retain records of the conditions before and after the work and receipts for the costs.
5. Before disposing of all flooded inventory or fixtures at your own discretion, check the insurer’s investigation and preservation instructions.
6. If a disaster damage report must be filed with the local government, do so separately from the insurance claim.

There is no need to delay urgent safety measures, but if evidence needed to determine the cause and extent of the loss disappears, the insurance claim review may become difficult. It is advisable to retain the insurer’s claim reference number, guidance from the representative, and copies of submitted materials together.

Final checks before enrollment

• Are the tenant’s household belongings or business facilities actually listed as insured property?
• Are the insured amounts for the building, facilities and fixtures, machinery, and inventory assets each sufficient?
• Is compensation provided on a fixed-benefit or indemnity basis?
• What are the deductible and reasons for exclusion from coverage?
• How much is the actual premium payable after central and local government subsidies?
• Is there coverage that overlaps with other property insurance?
• Do the insurance period and effective date begin before the expected timing of typhoons or torrential rain?

A policy should not be selected based only on the premium subsidy rate and maximum coverage limit. The factors that determine the actual outcome of a claim following a disaster are the insured property, insured amount, coverage method, deductible, and effective date specified in the insurance policy.