Property Registration
Turn the label \"unregistered\" into questions you can answer before buying.
This guide will help you move from a vague label to specific questions about the property. You will learn how to:
If you are paying cash, the registration issue may be less of an immediate obstacle because you do not need a lender to accept the property's documents for this purchase. You still need to understand what remains unresolved, especially if you plan to renovate, change the property's use, or sell it later.
Property Registration
A survey of property-tax records gives useful context, but it cannot assess a particular house.
A Japanese government survey of property-tax records from 760 municipalities found approximately 8.0 million buildings with incomplete registration among 36.1 million buildings in the responding sample. The government estimated that the nationwide total could exceed 10 million.
The survey's definition includes buildings with additions or alterations that were not reflected in the registry. It does not mean that all those buildings are entirely absent from the real estate registry, or that one in five houses for sale has the same problem.
The figures offer perspective: incomplete records are an issue buyers of older properties may encounter. They do not tell you whether a particular house is suitable to buy.
Property Registration
\nThe label can describe a missing building record, an unrecorded addition, or details that are out of date.
\nJapan's real estate registry, or tōki (登記), contains records for land and buildings. A building's descriptive record, called the hyōdaibu (表題部), includes details such as its location, structure, use, and floor area. Ownership and other rights are recorded separately.
\nWhen an agent calls a house \"unregistered,\" ask which of these situations applies:
\nAsk for the relevant records rather than relying on the label. A qualified professional can help explain a discrepancy that is not clear from the documents.
\nImagine a house recorded as 90 square meters. A former owner added a room, and the house now measures 120 square meters. The original house may be registered even though the additional 30 square meters were never added to its record.
\nA land and house investigator may be able to determine what registration work is needed. That investigation does not, by itself, establish whether the extension complied with building rules when it was built.
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\nAn accurate registry record and compliant building work are different questions.
\nAn extension missing from the registry is not automatically illegal. Equally, updating the registry does not resolve a separate problem with how the work was built or approved.
\nThese are two different questions:
\nIf an addition or alteration is involved, ask a qualified local professional what approvals or procedures were required and whether anything remains unresolved.
\nYou may also hear the term kizon futekikaku (既存不適格), meaning an existing nonconforming building. It can describe a building that complied with the rules when built but no longer meets requirements introduced later. That is different from work that failed to comply with the rules in force at the time.
\nThis distinction matters if you plan to renovate or extend the house. Limits on building coverage and total floor area, among other rules, may affect what you can do next. Have your proposed work assessed against the property itself, rather than assuming an updated registry record will settle the question.
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A tax bill does not confirm that the building's registry record is complete.
A seller may have paid property tax on the house for years, yet the real estate registry may still be incomplete. Municipal tax records and the real estate registry serve different purposes.
Compare what each record says with what you can see on site. Useful documents may include the building registry, municipal tax records, plans, and any available records of building confirmation or later construction. Missing documents are not necessarily a reason to stop, but they can limit what you can establish about an addition.
Property Registration
Often, yes. Paying cash removes a lender's requirements for this purchase, but you should still understand what the discrepancy means.
If you are paying cash, an incomplete building record may be less of an immediate obstacle. You do not need a lender to accept the property's documentation before you buy. The word \"unregistered\" is therefore a reason to ask questions, not an automatic reason to give up on a house that otherwise fits your plans.
The next question is what the missing or outdated record means for your use of the property. It may matter if you plan to renovate, change the home's use, borrow against it later, or sell it. You also need to understand which structures are on the property and what the available records can establish about them.
Consider two cash buyers looking at a house with an extension missing from the building record. One wants a second home and has no plans to alter the extension. The other intends to rebuild that part of the house. Both should understand the discrepancy, but the second buyer has a more pressing reason to investigate the building work before committing.
For a cash buyer, the useful test is whether the unresolved issue affects this purchase and the plans you have for the house. Once you know what is missing, you can judge the time, cost, and uncertainty on their merits.
Property Registration
\nMatch the professional to the question you need answered.
\nThe right professional depends on the question. You may not need all three for every property.
\nA tochi kaoku chōsashi (土地家屋調査士), or land and house investigator, deals with the physical description of land and buildings in the registry. This is the specialist to ask about a building's recorded location, structure, or floor area and what may be required to update those details.
\nA shiho shoshi (司法書士), or judicial scrivener, handles registrations concerning rights, including ownership transfers.
\nAn architect or another appropriately qualified local building professional can review questions about an addition, alteration, or proposed renovation under applicable building rules.
\nAsk the agent what the seller already knows and which documents are available. If a professional review is needed, arrange it before you rely on assumptions about what can be corrected.
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Check what remains unresolved, what work is needed, and who will handle it.
Not every discrepancy must be corrected before purchase. You should, however, know what remains unresolved and who will deal with it.
Use this checklist to guide the discussion with the seller, agent, and relevant professionals:
Get important agreements and findings documented through the professionals handling the purchase. If you need a loan, have the lender review the property information rather than assuming it will accept the discrepancy.