April 20, 2026
By the HalfKey team
Ryokan Act vs Land and Building Leases Act: which one governs
When you book 60 nights in a furnished Tokyo unit, one of two statutes is doing the heavy lifting on your contract. The Ryokan Business Act treats the building as a regulated lodging facility. The Land and Building Leases Act treats it as a residence. The price gap, the cancellation grid, and your tenant rights all fall out of which side the building landed on at construction.
The same 22m² 1K in Suginami can sell you a 60-night stay at ¥7,000 a night or at ¥18,000 a night. The unit, the futon, the building wifi: identical. What differs is which statute the operator filed under. One side is 旅館業法 (ryokan-gyō-hō — the Ryokan Business Act, the law on licensed lodging). The other side is 借地借家法 (shakuchi-shakka-hō — the Land and Building Leases Act, the law on residential tenancies). The building's paperwork sits on one side. The pricing engine, the cancellation grid, and your tenant rights all flow from that single fact.
Most midterm guests do not realize they have already chosen between the two statutes by the time they hit "book." The choice is upstream of the listing. The operator made it on your behalf at the moment they took the building under management. You are inheriting their license tier.
Start with what each statute is actually for. The Ryokan Business Act, enacted in 1948, regulates lodging-as-a-business. Article 1 names its purpose plainly: "to ensure the appropriate management of services in the hotel business" and "contribute to improving public health." This is the public-health-and-licensing statute. The 保健所 (hokenjo — public health office) inspects the building, issues the license, and renews it. Article 3 is the operative clause. No one may run a lodging business without prefectural-governor permission. In Tokyo, that runs through the ward's hokenjo desk.
Article 2 splits lodging into three categories. 旅館・ホテル営業 (ryokan/hotel business) covers most short-stay inventory. 簡易宿所営業 (kan'i-shukusho-eigyō — simple lodgings, including hostels and guesthouses) covers shared-room formats. The third one matters for midterm guests: 下宿営業 (geshuku-eigyō — boarding-house business). The statute defines geshuku as lodging where the fee is calculated "一月以上の期間を単位として" (in units of one month or longer). A licensed boarding-house operator can sell you a 90-night stay under hotel-class rules. This is the bridge category that lets ryokan-paperwork buildings legally take long stays.
The Land and Building Leases Act, enacted in 1991, is a different animal. It is tenant-protective by default. Article 26 sets the renewal regime. A building lease that runs to its stated end-date renews automatically on the same terms. The landlord must give notice of non-renewal one year to six months before expiry to break that default. Article 29 voids any lease shorter than one year, treating it as a lease "with no prescribed period." Article 30 declares any clause that disadvantages the tenant against the rest of the section "invalid": full stop, no work-arounds. The default residential tenant in Japan is hard to remove. That is the design.
Article 28 is the lever the law uses. A landlord cannot refuse renewal merely because they want the unit back. The court must find 正当事由 (seitō-jiyū — justifiable grounds). It weighs "the history of the building lease, the conditions of the building's use, the current state of the building" and any payment the landlord offered to vacate. In practice, seitō-jiyū means the landlord pays a 立退料 (tachinoki-ryō — eviction-compensation payment) of six to twelve months' rent before a court will sign off on eviction. This is why long-term Tokyo rentals cost what they do. The unit comes loaded with optionality the tenant did not have to bargain for.
The Article 38 carve-out is what makes midterm furnished rentals legal at all. 定期建物賃貸借 (teiki-tatemono-chintai-shaku — fixed-term building lease) lets the landlord opt out of automatic renewal. But only if four conditions are met. The contract is in writing or notarial deed. The landlord delivers a separate written explanation in advance that this lease will terminate on the stated date and will not renew. The landlord gives notice during the 6-to-12-month window before expiry on leases of one year or more. And the contract states the fixed term explicitly. Skip any of those steps and the contract reverts to ordinary residential. The non-renewal clause becomes void and the tenant inherits seitō-jiyū protection. Operators take this paperwork seriously.
Here is what the two statutes look like in tenant-facing terms.
A unit running under ryokan-gyō-hō is paying for 365 nights of legal sellable inventory and the overhead that comes with hokenjo licensing. Fire-safety equipment is hotel-grade: sprinklers, emergency lighting, multilingual signage. Insurance carries a lodging-risk premium of about ¥10,000 to ¥30,000 per unit per year above residential. There is no notice obligation toward you because you are not a tenant. You are a guest of a licensed business. The pricing has to recover the licensing overhead across the calendar. A studio under this license runs ¥15,000 to ¥28,000 per night for mid-segment Tokyo inventory. Cancellation grids are short and operator-discretionary. The hotel can refuse you a room. You can leave. Neither side has rights past the booking confirmation.
A unit running under teiki-shakka under shakuchi-shakka-hō is paying nothing in licensing. The operator pays a sublease to a Building Co. and runs the unit as residential. There is no hokenjo file. There is no annual report. Article 30's protective floor still applies underneath the fixed-term wrapper. A clause forbidding pets, charging late-payment penalties, or demanding extra payment at exit can be challenged if it disadvantages you against the statutory baseline. The operator's freedom to write punitive cancellation terms is real but not unlimited. Per-night equivalents land at ¥5,500 to ¥7,700 for a 30-night stay on a furnished 1K in Suginami or Setagaya. The price is lower because the calendar is fuller and the regulatory overhead is zero.
The math of the fork is straightforward. A 60-night stay in a comparable studio runs ¥1.08M under ryokan paperwork (60 × ¥18,000). The same 60 nights in a residential teiki-shakka unit at ¥210,000 per month all-in is ¥420,000. The premium is ¥660,000 of statute-driven overhead. Hokenjo inspections, fire systems, insurance, and 24-hour staffing show up there. So does the operator's pricing power on a 365-night calendar with no minimum-stay constraint.
The 30-night line that everyone talks about is a consequence of these two statutes meeting, not a rule on either side. The Ryokan Business Act does not name 30 nights. The Land and Building Leases Act does not name 30 nights either. What sets the line is local-ordinance practice. A building with no ryokan license cannot accept a stay short enough to look like lodging. Tokyo wards read "lodging" as roughly under 30 days. Operators running residential paperwork enforce 30 nights because crossing it puts them in violation of Article 3 of the Ryokan Business Act. Article 10 carries fines up to ¥1 million per offense. The minimum is not a preference. It is the safety margin between two regulatory regimes.
This is also why the same operator cannot easily say yes to a 27-night stay even when their unit sits empty. The unit's paperwork is one statute or the other. A residential operator cannot sell a hotel-class night, and a ryokan operator cannot sell a residential one. Flexing to 27 nights on a residential-licensed building means committing a regulatory violation. The fine sits at ¥1 million. The upside is three nights of rent. The math does not work for them. It is not a preference issue.
Two practical reads come out of this fork. First: when you compare quotes, ask the operator which act governs the unit. They will tell you. A residential operator says "teiki-shakka" or "fixed-term lease." A licensed lodging operator says "ryokan-gyō-hō" or "geshuku license." The number on the listing changes meaning depending on which answer you get. ¥9,000 a night under residential paperwork is a ¥270,000 monthly rent. ¥9,000 a night under ryokan paperwork is the listed nightly. Same display, different denominator.
Second: when the cancellation grid feels punitive, check Article 30. Residential teiki-shakka contracts cannot impose tenant-disadvantageous terms beyond what the statute allows. A clause demanding three months' rent on day-15 cancellation is at least negotiable and possibly void. A ryokan operator's cancellation grid is contractual, not statutory. They wrote it. They can change it.
If a stay is shorter than 30 nights, you are buying ryokan paperwork whether you wanted to or not. Expect the per-night premium. If a stay is 30 nights or more, the cheaper number is residential and the more flexible number is ryokan-geshuku. Both are real products. The building chose one of them at the construction permit. The operator pays for that choice every month. The number on the listing is what the operator needs to recoup their share. Knowing which statute is doing the work tells you whether to negotiate on the cancellation grid or on the rate itself.