Renter's Insurance Japan: What Every Expat Tenant Must Know

When you sign a lease in Japan, you'll quickly notice a clause requiring renter's insurance. This is not a suggestion: in the vast majority of Japanese rental contracts, taking out fire insurance (火災保険, kasai hoken) is a condition of signing. Here's everything you need to know to choose the right coverage and avoid the common traps.

Why renter's insurance is mandatory in Japan

Japan is one of the most exposed countries in the world to natural disasters: earthquakes, typhoons, floods, and fires. In a country where residential buildings are often dense and interconnected, a single incident in one apartment can quickly affect neighbors on other floors.

This is why landlords and real estate agencies systematically require renter's insurance at lease signing. Coverage typically includes:

Third-party liability (個人賠償責任 kojin baisho sekinin):

If you cause water damage or a fire that spreads to the apartment above or below you, you are legally responsible for the damage to your neighbors. Without insurance, this risk falls entirely on you personally.

Damage to the apartment (火災 kasai):

Damage to the rental unit caused by fire, even accidental, is covered. Note: this is separate from the insurance the landlord holds on the building itself.

Theft and personal belongings:

Standard policies usually include basic coverage against theft or damage to your personal possessions.

How much does renter's insurance cost in Japan

Prices vary depending on the size of the unit, the value of insured items, and chosen options:

• Basic insurance (liability + fire): 1,000 to 2,000 JPY per month
• Extended coverage (+ theft, water damage): 1,500 to 3,000 JPY per month
• Earthquake insurance option (jishin hoken): an additional 500 to 1,500 JPY per month

The standard subscription period is annual or biannual (aligned with the lease term). Earthquake insurance is separate from fire insurance in Japan and must be taken out as an add-on.

The most common trap: your real estate agency will systematically offer their own insurance. It's convenient (everything handled at signing), but the premium is often 30 to 50% higher than a policy taken out independently. You have the right to decline and choose your own insurer, as long as the policy meets the minimum requirements specified in the lease.

How to get renter's insurance as a foreigner

The main barrier is language: the majority of Japanese insurers operate exclusively in Japanese.

Insurers with English service:

• Chubb Insurance Japan: international coverage, English interface, accepts expats
• Tokio Marine & Nichido (English service): one of Japan's largest insurers with an English-speaking department
• Sompo Japan: has an expat department accessible in English
• AIG Japan: multinational coverage with English support

Through the real estate agency:

If you don't want to handle the process separately, accepting the agency's insurance is a valid option. It costs more, but everything is in order from signing day. Just verify that the policy covers third-party liability, that's the most critical coverage for a tenant.

Renewal: renter's insurance typically auto-renews. Keep track of the expiry date and verify coverage remains in place if you renew your lease or move.

Earthquake insurance: option or necessity?

In Japan, earthquake insurance is separate and optional within a standard kasai hoken policy. It can be added as a rider.

To decide:

• If you live in an active seismic zone (Tokyo, Osaka): strongly recommended
• If you have high-value personal items (jewelry, instruments, professional equipment): worthwhile
• For a newer building (built after 2000 under updated earthquake resistance standards): structural risk is lower, but personal belongings remain exposed

For a broader picture of life in Japan as an expat, our guide on health insurance for expats in Japan covers the other essential insurance to sort out on arrival.

What to verify before signing your policy

• Does the policy cover third-party liability? (essential)
• What is the liability coverage limit? (minimum 100 million JPY recommended)
• Are personal belongings included?
• Is the policy valid for the full lease term without gaps if auto-renewed?
• Is there a deductible (jikou baisho) before reimbursement kicks in?

Setting up in Tokyo and need guidance on the paperwork required on arrival? Book a free consultation, we walk you through every step so you don't make costly mistakes.