Kagura EstatesJapanese real estate advisory

Due Diligence

Reading Japanese Land and Building Registry Records

Registry records identify legal property and registered rights, but they do not prove boundaries, condition, compliance, use, or value. Reconcile every record to the physical and administrative asset.

6 minAdvisory memo

Read description and rights separately

The description section identifies registered attributes such as land category and area or building structure, floor area, and use. The rights sections record ownership and other registered rights. Note the current owner, acquisition cause and date, ownership share, mortgages, revolving mortgages, attachments, easements, superficies, or other entries relevant to the deal.

Ask the judicial scrivener to explain entries and the documents required to transfer or discharge them. A paid loan does not disappear from the registry without the appropriate discharge filing. A seller whose name or address has changed may need a preliminary correction. An inherited asset may require registration and authority work before clean title can be delivered.

Do not interpret an unfamiliar Japanese entry from a machine translation and then price it. Route rights questions to the professional responsible for registration and legal review.

The registry is not a boundary survey

Registered land area and public maps are important evidence, but they do not guarantee the physical boundary or measured area. Obtain survey records, boundary confirmations, markers, subdivision history, encroachment agreements, and current site measurements where relevant. Reconcile fences, walls, eaves, drains, steps, retaining walls, access routes, and utility lines.

If price is calculated per square metre of land, state whether the denominator is registered area, surveyed area, effective area after setback, or another measure. A boundary or setback difference can change both price analysis and building capacity.

For a condominium, distinguish exclusive unit area under the relevant definition from registry area and marketing area. Do not compare per-square-metre values until denominators match.

Registered does not mean compliant

A building registry records the building as registered; it is not a building-confirmation approval, inspection certificate, seismic diagnosis, condition report, or warranty. Compare registry structure, floors, area, and use with confirmation records, approved plans, tax records, and physical condition.

An extension can exist physically but not appear in the registry. A registered building can contain later alterations that were not approved. A use can change without the registry alone resolving planning, building, fire, lease, or condominium requirements. Record every mismatch and obtain a property-specific conclusion.

Conversely, a building or portion may have incomplete registration history without the correct conclusion being automatic illegality. Establish why, what correction is possible, cost, lender treatment, tax effect, and whether the seller will complete it before settlement.

Reconcile owner and signing authority

The seller in the contract must be able to deliver the registered rights. Match identity, address, ownership share, corporate authority, inheritance, guardian or representative status, and power of attorney. Where several owners or heirs exist, confirm who must sign and whether the planned timetable is realistic.

For a company, obtain current corporate evidence and representative authority. For an overseas owner, confirm registry-ready signature documentation and translation. Do not let the deposit become non-refundable while seller authority remains an assumption.

If a mortgage or attachment exists, document payoff, creditor cooperation, discharge documents, fund flow, and filing order. The buyer's payment should be coordinated with the mechanism that releases the encumbrance.

Connect title to use and access

Freehold title to a land parcel does not prove legal or practical access. Identify the road, private ownership, shares, passage rights, excavation rights, setback, and utility routes. A house can sit on owned land while access or pipes depend on another person's parcel.

For leasehold, obtain the underlying lease and amendments. The registry is only part of the evidence. Term, ground rent, renewal or expiry, transfer consent, rebuilding consent, mortgage restrictions, restoration, and side agreements can determine value.

For co-ownership, establish which decisions require consent and whether the share corresponds to exclusive use. A fractional share is not automatically a separately usable plot or room.

Build a registry reconciliation table

Use one row per asset and columns for registry identifier, contract description, physical observation, public map, survey, tax record, building approval, access or utility dependency, encumbrance, required correction, responsible professional, and closing action. Every difference needs an explanation.

At settlement, compare the final registration application with this table. After filing, check completed records for owner name, address, share, assets, mortgage, and discharged interests. Store them with the acquisition documents for future finance, inheritance, and sale.

Worked registry reconciliation

Assume the sale concerns a detached house marketed on 180 m² of land. The registry shows two residential parcels totalling 165 m², a 15 m² private-road share, and a 105 m² building. The physical house measures approximately 118 m² after a rear extension, while the contract draft mentions only the two residential parcels.

The buyer must decide whether the road share transfers, whether the advertised 180 m² improperly combines road and residential land, and how the 13 m² building difference is treated in approval, registration, tax, finance, and insurance. A survey and authority record may be needed; the contract property schedule must be corrected.

The example shows why a single listing area can conceal several legal and physical categories. It does not determine which recorded area is “correct” without the underlying evidence.

Never discard superseded registry or survey copies after correction. The sequence can explain parcel changes, old mortgages, inheritance, extensions, and why current records differ from historical plans. Keep the history indexed with dates and sources.

Primary sources

Reviewed against the linked sources on 23 August 2026. Current registry records, survey evidence, and transaction-specific professional review control.

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