Renters' Fire Insurance in Japan: What It Covers & How to Save

Quick answer (30 seconds): When you rent in Japan, your lease almost always requires "fire insurance" (kasai hoken) — but it's really a small bundle that protects your belongings and your liability, not just fire. It covers three things: your contents (kazai), damage you cause to the unit (tenant liability to the landlord), and damage you cause to neighbors (personal liability). It's cheap — typically about ¥15,000–25,000 for a two-year term — and, importantly, you usually don't have to buy the exact policy your agent pushes: unless your contract names a specific insurer, you can often choose your own and save.

ℹ️ Costs, coverage, and whether you can pick your own insurer depend on the policy and your lease wording — read the contract and the policy, and confirm with your agent before signing.

What "fire insurance" actually covers

Despite the name, a renter's policy is a three-part bundle:

1. Contents / household goods (kazai hoken): your furniture, clothes, electronics — against fire, lightning, burst pipes, theft, and (often) accidental damage.
2. Tenant liability to the landlord (shakka-nin baishō sekinin): pays the landlord if you damage the unit itself — e.g., a kitchen fire or a water leak that harms walls/floors. This is the part landlords care about most.
3. Personal liability to others (kojin baishō sekinin): covers you if you accidentally harm a neighbor or their property — e.g., your leak damages the apartment below. Very useful well beyond the home.

What it costs

For a normal apartment, premiums usually run about ¥15,000–25,000 for a two-year term (often renewed with the lease). The exact amount depends on the unit size, the contents coverage you choose, and the insurer — treat the range as a ballpark.

The money-saving point: you can often choose your own

Real-estate agents routinely bundle a policy into your move-in costs, but if your lease only requires that you have qualifying insurance (not a specific one), you can usually buy your own — often cheaper. Options include that specialize in low-cost renter policies.