Tell the relevant parties
Notify the insurer, lender, condominium or subdivision manager and property manager where required. Confirm how vacancy affects coverage, access, utilities and emergency contacts. Register a reliable notice address and local person.
Do not assume an occasional personal visit means the property is continuously occupied under a policy or contract. Describe the actual pattern and retain the response.
Set a written inspection route
Create a checklist and frequency based on climate, building, season and equipment. Inspect entry, windows, roof or ceiling signs, plumbing, drains, electrical, appliances, pests, humidity, mould, exterior, vegetation, post and neighbour impact. Photograph consistent reference points and timestamp exceptions.
After storms, earthquakes, freeze events or nearby work, add an event inspection. A monthly visit may be too slow for an active leak.
Control moisture and water
Japan's humid periods can damage finishes and contents. Define ventilation, dehumidification, air-conditioning, closet and underfloor checks. Set monitor alerts and the person who responds. Sensors without response authority provide evidence of damage rather than prevention.
Choose whether water remains on, is isolated or is winterised based on property and climate. If kept on, test taps, toilets, drains and water heater. If isolated, document safe shutdown and recommissioning.
Maintain security without advertising vacancy
Control keys, codes and contractor access. Remove accumulated mail, manage lights or shutters appropriately and inspect doors and glazing. Keep a key register and change access after a lost key or manager change.
Avoid publishing absence dates or leaving visible valuables. For condominiums, follow entrance and delivery rules; for houses, manage grounds so neglect does not become obvious.
Keep utilities and systems intentional
List electricity, water, gas, communications, alarm, pumps, septic, snow systems and association services. Record which stay active, minimum settings, billing and emergency shutoff. Check smoke alarms and fire equipment within the responsible scope.
Do not cancel a service required for drainage, monitoring, heat or remote access. Conversely, an unneeded pressurised or heated system can create avoidable risk and cost.
Meet neighbourhood and public obligations
Manage waste, vegetation, pests, snow, drainage and unsafe exterior elements. Municipalities have strengthened policies addressing unmanaged vacant homes; severe neglect can create safety, tax and enforcement consequences. The objective is prevention long before a property reaches that stage.
Give neighbours or the association a local emergency contact without surrendering uncontrolled access. Log every complaint and response.
Plan reoccupation and sale
Before return, inspect, restore utilities safely, ventilate, test water and equipment and clean. After a long vacancy, obtain specialist checks where water, gas, electrical, pest or structural condition is uncertain.
Keep inspection and repair records for insurance and resale. Buyers will still investigate condition, but a documented vacant-home routine is stronger than an unsupported statement that the home was “looked after.”
Use an exception log
The caretaker should report normal checks briefly and exceptions in detail: location, photograph, immediate protection, suspected cause, affected neighbour or common property, recommended specialist and decision deadline. Number each exception until resolved. Repeated humidity, drainage or pest findings should trigger a root-cause review instead of repeated cleaning.
Once a quarter, reconcile visits to invoices and sensor alerts, test an emergency contact and review the coming season. Before typhoon, rainy, snow or freezing periods, use a property-specific readiness list. The log makes vacancy care auditable and gives a future buyer or insurer dated evidence without claiming that no hidden defect exists. Record any missed inspection and the compensating visit; an incomplete log should not be presented as continuous monitoring. Review caretaker access after every personnel change.
Keep enough yen available for immediate protective work without waiting for an international transfer, and record who may approve its use.
Primary sources
- MLIT — Vacant-house policy and measures: https://www.mlit.go.jp/jutakukentiku/house/jutakukentiku_house_tk3_000035.html
- Geospatial Information Authority — Hazard Map Portal: https://disaportal.gsi.go.jp/
- Fire and Disaster Management Agency — Residential fire prevention: https://www.fdma.go.jp/relocation/html/life/yobou_contents/fire_alarm/
Reviewed 23 August 2026. Municipality, building rules, policy wording, climate and installed systems control the plan.
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