What Changes When the City Changes
The Yobiyose Situation
Yobiyose (呼び寄せ) is the common pattern of bringing an aging parent from their hometown to a facility near the child who can actually visit, and it triggers two separate government procedures, not one.
Families often assume that moving a parent to a facility is the same errand regardless of distance, just with a longer moving truck. It is not. A move within the same city mostly changes an address. A move across a municipal border changes which local government has jurisdiction over the parent's long-term care insurance file, and in some cases which local government pays for the parent's care for years afterward.
The scenario this article answers is specific: a parent has lived their whole life in one city, perhaps a rural hometown, and the adult child now living in Kawasaki, Yokohama, or another part of Tokyo's commuter belt wants the parent in a facility near them. The parent already holds a care-need certification (yōkaigo nintei) from the home city. The question families ask is whether that certification, and the benefits attached to it, travel with the parent.
The short answer is that certification portability and insurer assignment are governed by two different rules, and getting either one wrong costs the family either a month of re-assessment delay or an unexpected insurance bill from the wrong municipality.
Same City vs Different City
A same-city move only changes the facility on file. A cross-city move restarts the resident registration and puts a clock on the family.
If a parent already lives in Kawasaki and simply moves from one Kawasaki facility to another, the city, the insurer, and the certification stay untouched, since this is the more contained scenario covered separately for admission-day logistics rather than an interprefectural relocation.
A cross-city move is different because Japan's resident registration system (jūminhyō) is municipal. Moving cities means filing a moving-out notice (tenshutsu todoke) in the old city and a moving-in notice (tenyū todoke) in the new one, and the long-term care insurance system is built on top of that same municipal boundary. The parent effectively leaves one insurer's jurisdiction and enters another's, even though nothing about their care needs has changed.
This is also why the paperwork trail matters more here than in a same-city transfer. The receiving city has no record of the parent at all until the family actively hands one over, and the 14-day window below is the family's only chance to avoid a from-scratch reassessment.
The Two Rules That Decide Everything
Will the Care-Need Certification Transfer?
A parent's existing care-need level transfers to the new city only if the family submits a certificate of eligibility within 14 days of the move-in date.
Under Japan's Long-Term Care Insurance Act, a certification issued by one municipality is not automatically valid in another. Before leaving, the family requests a juky kaku shomeisho (受給資格証明書, certificate of eligibility) from the home city's long-term care insurance office. This document states the parent's current care-need level and its expiry date.
The receiving city then needs that certificate submitted, along with an application, within 14 days of the date the parent's residency officially begins there. Kawasaki's own guidance to incoming residents is explicit about this window: submit the certificate to the ward's elderly and disability office within 14 days of moving in, and the existing certification carries over for the remainder of its validity, generally up to six months from the original assessment.
Miss the 14-day window and the parent is not grandfathered in. The family must file a brand-new application in the new city, wait roughly a month for an assessor's home visit and review, and there is no guarantee the new city's assessment lands on the same care-need level as the old one. For a family trying to line up a facility admission date, that month of uncertainty is often the single biggest scheduling risk in the entire move, more disruptive than the physical move itself.
Practically, this means the certificate of eligibility has to be requested from the old city's office before the moving truck is booked, not after. A care manager in the home city can usually request it on the family's behalf if the family gives advance notice.
Which City Becomes the Insurer?
The address-based special provision (jūshochi tokurei) keeps the original city as insurer for most facility types, but community-based services like group homes are excluded and switch to the destination city instead.
The second rule is separate from certification and answers a different question: once the parent is settled in the new city's facility, which municipality actually pays and administers their long-term care insurance going forward.
The general rule under Article 13 of the Long-Term Care Insurance Act is that the municipality of residence is the insurer. Facility clusters, however, would otherwise concentrate the insurance burden onto whichever cities happen to host the most facilities, so the law carves out an exception called jūshochi tokurei (住所地特例, the address-based special provision). Under this exception, a resident who moves into a designated facility type keeps their previous municipality as the insurer, even though their resident registration has moved.
The facility types covered by this special provision include tokuyo (special nursing homes), rōken (geriatric health facilities), long-term care medical institutions, and most private paid nursing homes, keihi elderly homes, care houses, and serviced housing for seniors that legally qualifies as a paid nursing home. In these cases, the home city keeps paying and administering the parent's benefits, and the family generally does not need to worry about a change in insurer, only the certification transfer above.
Community-based services are explicitly excluded from the special provision. This category includes small-scale multifunctional home care and, notably for this scenario, dementia group homes. These services are designed around residents of the municipality where the service operates, so moving into one places the parent's insurance under the destination city, not the origin city, from day one.
The practical effect is that a family choosing between a tokuyo-type facility and a group home in the same destination city is not just choosing a care model. They are also choosing which city's premium schedule, benefit administration, and local rules apply to the parent going forward, since municipal long-term care insurance premiums vary by area.
Comparing the Three Ways Families Actually Move a Parent
The Three Patterns
Families moving a parent across cities generally follow one of three patterns, and the insurer, paperwork, and risk differ for each.
Most yobiyose cases fall into one of the patterns below. Deciding which one applies early avoids the scenario where a family books a facility, then discovers the insurer or the certification handling does not work the way they assumed.
The first pattern, moving directly into a tokurei-eligible facility such as a tokuyo or rōken, keeps the home city as insurer and is the most administratively stable option, but it depends on availability, and tokuyo waitlists of a year or more are common in facility-dense areas like Kawasaki.
The second pattern, moving into a community-based service like a group home, switches the insurer to the destination city immediately, and also generally requires the parent to already be a resident of that city or a bordering one at the time of application, which is a separate eligibility hurdle from the certification question.
The third pattern, moving in with the adult child's household first and searching for a facility afterward, buys time and avoids committing to either insurer arrangement immediately, but it restarts the resident registration clock right away and means the 14-day certification window starts ticking before a facility is even chosen.
| Pattern | Who stays insurer | Certification handling | Main risk |
|---|---|---|---|
| Direct to tokurei facility (tokuyo, rōken, most paid homes) | Home city (jūshochi tokurei) | Submit certificate of eligibility within 14 days of move-in | Facility waitlist can run a year or more |
| Direct to group home or other community-based service | Destination city (tokurei does not apply) | Same 14-day certificate submission, but insurer still switches | Often requires residency in destination city before applying |
| Move in with family, then search for a facility | Destination city, until a tokurei facility placement changes it | 14-day clock starts at move-in, before a facility is chosen | Re-assessment risk if the 14 days lapse during the search |
How Families Actually Decide
The deciding factor is usually facility availability, not preference, since the tokurei-eligible option is the one families want but the one with the longest wait.
When a family has the luxury of choosing, staying with the home city as insurer through a tokurei-eligible facility is the simpler outcome, since the parent's existing benefit history and any negotiated arrangements with the home city carry forward without a fresh administrative relationship.
In practice, the facility waitlist decides first. If no tokurei-eligible bed is available in the target city within a reasonable window, families either move the parent in with them temporarily while a bed opens up, or accept a community-based option and the destination-city insurer switch that comes with it.
Cost is the other real factor. A rural hometown's monthly living costs and facility fees are often lower than Kawasaki or central Tokyo, so families should not assume the move is cost-neutral just because the insurance benefit percentage stays the same nationally; the yen amount the family pays out of pocket for room and board typically rises with the facility's location.
Searching for a Facility From a Distance
Starting the Search Before the Move
A family that has not yet moved a parent can still start the facility search remotely, through the destination city's local comprehensive support center rather than waiting until after the move.
The chikiki hōkatsu shien center (community comprehensive support center) covering the target neighborhood in the destination city is the first call, even from overseas or from the parent's home prefecture. These centers can tell a family which facility types have openings, what the current tokuyo waitlist looks like in that ward, and whether specific group homes are accepting applications from outside the city.
A family coordinating this from abroad, similar to families repatriating an aging Japanese parent from overseas, should request the certificate of eligibility from the home city before travel plans are finalized, since the 14-day clock is unforgiving and does not pause for travel.
If the parent's needs have changed since the original certification (a fall, a hospitalization, a diagnosis), it is worth asking the home city whether an updated assessment before the move is faster than waiting for the destination city's reassessment after a missed 14-day window. Either path takes roughly a month, but doing it before the move avoids a facility admission date slipping.
The Decision Checklist
Confirm these four items in order before signing an admission agreement in the destination city.
- Request the certificate of eligibility from the home city's long-term care insurance office before the move, not after
- Confirm the target facility's type and whether it falls under the address-based special provision or is a community-based exclusion
- Submit the certificate to the destination city within 14 days of the resident registration change
- Compare the destination city's facility fees and cost of living against the home city before assuming the move is cost-neutral, and revisit facility costs and reduction schemes if the gap is significant
Frequently asked questions
Does my parent's care-need level reset to zero if we miss the 14-day window after moving to a new city?
It does not reset to zero, but it stops carrying over automatically. The family must file a new application in the destination city, and an assessor visit and review generally take about a month. The new city's result is not guaranteed to match the old certification's care-need level, which is the main reason families are advised to submit the certificate of eligibility within the 14 days rather than after.
If my parent moves into a tokuyo in Kawasaki but has lived in a different prefecture for decades, which city pays for their care?
Under the address-based special provision, tokuyo and most other institutional facility types keep the parent's original municipality as the insurer, even after their resident registration moves to Kawasaki. The family generally continues to deal with the home city's long-term care insurance office for benefit administration, not Kawasaki's.
Why does a dementia group home change the insurer when a special nursing home does not?
Group homes are classified as a community-based service, which the address-based special provision explicitly excludes. Community-based services are structured around residents of the operating municipality, so moving into one shifts insurer responsibility to the destination city immediately, unlike institutional facility types such as tokuyo or rōken.
How much longer is the wait for a facility bed if we choose to stay eligible for the address-based special provision?
It depends heavily on the destination city and facility type. Tokuyo waitlists of a year or longer are common in facility-dense urban areas, while some private paid nursing homes that also qualify for the special provision have shorter waits but higher monthly costs. There is no single national wait time, so the family should ask the destination city's comprehensive support center for the current local waitlist status before assuming a specific timeframe.
Do we need to be Kawasaki residents before applying for a group home in Kawasaki?
Community-based services including group homes are generally structured for residents of the municipality where the service operates, so an applicant typically needs to already be registered as a resident of that city, or in some cases a neighboring designated area, at the time of application. This residency requirement is separate from, and in addition to, the 14-day certification transfer window.
Does moving a parent from a rural hometown to a Kawasaki-area facility usually cost more out of pocket?
Often yes, even though the national long-term care insurance benefit percentage does not change with location. Facility room and board fees and general cost of living tend to be higher in Kawasaki and other parts of the Tokyo commuter belt than in many rural hometowns, so the family's monthly out-of-pocket share typically rises even when the parent's care-need level and insurance coverage percentage stay identical.
How Japan Care Concierge can help
We run facility searches as a project: shortlists against your parent's profile, disclosure-document review, visits with a checklist and photos, and the comparison table the family decides from.
Primary and official references
We prioritize primary and official information when checking this article. Rules, costs, and local procedures can change, so verify the linked official sources before making a final decision. Last source check: 2026-07-05.
- Special Provision on the Insured's Address (Reference Material, MHLW Long-Term Care Insurance Committee) (Japanese)
- Kanagawa Prefecture: List of Facilities Subject to the Address-Based Special Provision (Japanese)
- Kawasaki City: Procedure for Care-Need Certification When Moving Into the City (Japanese)
- Kawasaki City: Procedure for Moving-In Notification from Outside the City (Japanese)
- Meguro City: Special Provisions for Long-Term Care Insurance Eligibility (Address-Based Special Provision and Exemption System) (Japanese)
About this article
This article is general orientation, not medical, legal, or individual care advice. Rules, costs, and service availability vary by municipality and by situation, so confirm specifics with the institutions involved or with licensed professionals. Publication and update dates above are actual dates. How we research, source, and correct articles is described in our editorial policy.