What to check before buying a house in Japan, and why it's simpler than it seems

Seven areas, eleven worksheets, and you're ready to buy with confidence

Finding a house is the easy part. Listings are public, prices are low, and the internet is full of photos of beautiful old houses for sale in the Japanese countryside.

Buying a house in Japan comes down to knowing what to check before you commit. That part sounds harder than it is. Once you know the areas that matter and where to check each one, you can walk into any property evaluation, in person or from abroad, and know exactly what to ask.

The seven things to check before buying a house in Japan

Natural hazard risk. Japan's government publishes flood, earthquake, and landslide data for free, down to the individual address. Checking this first, before anything else, is the fastest way to know whether a property is worth pursuing.

Legal status of the land. Who owns it, whether the title is clean, and where the boundaries actually sit. Inherited houses sometimes have ownership split across multiple heirs who haven't formally registered the transfer.

Road access and rebuild rights. A property needs to front a legally recognized road of a certain width to be rebuildable. Some houses can be renovated but never rebuilt, and that single fact can change what the property is really worth.

Building condition. When a house was built determines which earthquake standard it meets, and that's one of the most consequential facts about its structure. A proper inspection turns unknowns into known costs.

Utilities and infrastructure. Water, sewage, gas, and internet in rural areas often rely on private wells, septic systems, propane, or limited fibre coverage. Confirming what's actually connected means you know what you're taking on.

Daily livability. Distance to a hospital, whether a car is essential, what winter is actually like, and what a neighborhood association expects of you. None of this shows up in a listing, and all of it shapes daily life.

The real cost. The purchase price is usually the least interesting number. Agent commission, acquisition tax, registration tax, and renovation costs are where a cheap house stops being cheap, and they're worth totaling before you fall for one.

Checking these seven areas in order means the cheapest, fastest checks come first. Hazard risk and rebuild rights can end your interest in an afternoon, before you've spent a weekend falling for a floor plan.

Why buying a house in Japan is more manageable than it feels

A buyer purchasing property in their own city has a network of assumptions to draw on: family who've done this before, a general sense of which questions to ask, the ability to read the paperwork. Buying from abroad, you don't have that by default.

The fix isn't experience you don't have yet. It's a system you can use on the first property you look at. Ask the right questions, request the right documents, and check the right official sources, and you're operating with the same clarity a local buyer has.

What's in the kit

The Due Diligence Kit is an akiya due diligence checklist and field guide built around the seven areas above, plus a section on the realities specific to akiya: where listings actually come from, why the title is so often tangled on inherited houses, how buying from abroad works in practice, and how to verify a subsidy before relying on it.

The second half is a workbook: eleven fillable worksheets, including a property fact sheet, a natural hazard worksheet, a legal and rebuild worksheet, a cost estimate worksheet, a comparison matrix for weighing multiple properties against each other, and a list of questions to bring to the agent, the seller, and the town hall. Use one set of worksheets per property you're seriously considering.

You're required to work with a licensed agent regardless. This kit is what you bring into that relationship, so the right questions get asked, and the right documents get requested before you're the one who owns the house.

Know what to check, and where to check it, and buying a house in Japan is a straightforward process.

Get the Due Diligence Kit — $19