The short version
- A shako shoumei (garage certificate) proves you have somewhere legal to keep the car. The 2 km limit between the garage and the address the car is registered to is national, set by Cabinet Order, and police normally measure it as a straight line rather than a driving route. If you rent your parking space, you need your landlord's or management company's consent form, not just the car.
- Kei (light) cars go through a simpler notification instead of a full certificate, and a lot of lower-population areas don't require even that. The areas that do are a fixed national list in the Cabinet Order, not a local council decision, and it covers the Tokyo special wards plus a long roster of cities, so it may well apply exactly where you live.
- A used car's price often tracks how much shaken (the mandatory inspection) it has left. A car with two months of shaken remaining can mean a real inspection bill lands within weeks of buying it.
- The document you're missing might be a registered seal, not a signature: standard cars generally need a jitsuin (registered seal) and its certificate, while kei cars generally accept a jūminhyō (residence certificate) instead.
- Auto insurance is a separate step. Compulsory liability insurance (jibaiseki) is required by law and usually bundled into the shaken process; adding voluntary coverage on top is a choice between providers this guide doesn't make for you.
At a used car lot outside the city, a sales assistant slides a printed form across the counter and says: get your shako shoumei first, then come back. If gaimen kirikae — converting a foreign driver's license into a Japanese one — is already behind you, this is often the next wall, and it isn't obvious even to someone reading it in Japanese, let alone in a second language. Two separate bureaucratic systems sit between deciding to buy a car and actually driving it: proving you have somewhere legal to park it, and proving the car itself is safe enough to stay on the road. Neither step is optional, and doing them in the wrong order is a common way to lose a week at a dealership that was ready to sell.
What a shako shoumei actually certifies
Shako shoumei (車庫証明), formally a jidōsha hokan basho shōmeisho (自動車保管場所証明書, "certificate of a motor vehicle's storage location"), exists under Japan's Act on Assurance of Car Parking Spaces and Other Matters (自動車の保管場所の確保等に関する法律, Act No. 145 of 1962). For a standard, non-kei vehicle, you generally cannot complete registration at the local Land Transport Bureau without this certificate, issued by the police station with jurisdiction over wherever the car will actually be kept, which is not necessarily your home address.
Geographically the certificate requirement is close to universal for standard cars, though the map it works from is an old one. The Cabinet Order under the act applies the requirement to every special ward, city and town, plus a short list of named villages, and it fixes those areas at the municipal boundaries in place on 1 June 2000. That is the same cut-off the kei-car list uses. A district that was an unlisted village then stays outside the requirement even if a merger has since folded it into a city. What settles the question is where the car is based, normally your home address, not where the parking space sits. Assume the certificate applies to you almost anywhere else, and if your address was inside a village in June 2000, put the question to the police rather than guessing in either direction.
The application itself asks for two things beyond the basic form: proof that you have the right to use the parking space (either a self-ownership declaration, if you own the land, or a consent document from whoever does), and a simple map and layout diagram showing where the car will sit. Processing commonly takes somewhere in the range of a few business days to about a week. There's also a modest fee, commonly cited in the low thousands of yen and split between the application and the certificate itself, but it's set at the prefectural level. Treat any specific number as a starting estimate rather than what you'll actually pay.
The 2 km rule
The requirement that trips up the most people is distance, and this one is not a local guideline. For a privately owned car the Cabinet Order under the parking-space act sets one national figure: the distance between the storage place and the vehicle's registered base of use must not exceed 2 km. That base of use is normally your home address, the one on your jūminhyō. The order's only opening for a different distance is a carve-out for commercial transport vehicles, where the transport ministry may set its own figure for particular areas, and that does not reach ordinary owners.
What the text does not spell out is how the distance gets measured. The police fill that gap themselves, and the forces that publish an answer give the same one. Osaka, Kanagawa and Gunma prefectural police each state on their own procedure pages that the 2 km is measured chokusen kyori, in a straight line, from the base of use. Others simply restate the statutory wording without naming a method. In practice that means a garage 3 km away along the road can still qualify if it sits under 2 km as the crow flies. Since the convention is police practice rather than statute, ask the police station covering the parking location how they will measure it before you sign anything for a space near the boundary.
Kei cars: a lighter version of the same rule, but not everywhere
Light vehicles (kei cars, distinguished by their yellow plates) fall under the same law but generally go through a notification (todokede) rather than a full certificate — a lower bar where it applies at all. In a meaningful share of Japan, mostly lower-population municipalities, no notification is required for a kei car. Where it is required is not a decision your city hall makes. The Cabinet Order names the Tokyo special wards directly and lists the cities in its Appended Table 2, and both are read against municipal boundaries as they stood on 1 June 2000. Reading down that table, every prefectural capital appears, along with a long run of other sizeable cities. Because the names are frozen at their pre-merger form, matching a modern address to the table is not always obvious. If part of the appeal of a kei car is skipping this step, check that assumption against your own address with the police before you shop. The dealership counter is a bad place to find out.
If you rent your parking space
Most apartment residents don't own the land they'd park on, so the certificate ends up depending on someone else's paperwork. What you need is a hokan basho shiyō shōdaku shōmeisho (保管場所使用承諾証明書, "parking place use consent certificate") from whoever controls the space, usually your landlord or the building's management company, confirming you're allowed to keep a car there. Some management companies charge a handling fee for issuing it (commonly cited around ¥3,000, though this varies by company), and turnaround isn't always same-day. Requesting it as soon as you start seriously shopping, rather than after you've picked a car, avoids losing days to someone else's paperwork. A copy of your parking space rental agreement can sometimes substitute for a separate consent certificate if it meets the police station's requirements, so it's worth asking about before you request a new document.
This is also the moment to settle something upstream of the certificate entirely: whether your lease even includes a parking space, and whether you're allowed to keep a car on the property if it doesn't. That's a lease question for your landlord or guarantor company, not a police-paperwork question, and it's worth resolving before you've committed to a specific car. Our guide to Japan's rental guarantor system covers how these conversations with a landlord or management company tend to go, and who you're actually negotiating with when a "no" needs to become a "yes."
If the answer is that your building has no space for you, the consent certificate has to come from a separate parking operator instead, and finding one is its own small project with its own document list and initial costs. Our guide to renting a monthly (getsugime) parking space in Japan covers where to search, what you hand over, what the up-front payment usually adds up to, and why a reservation app like akippa cannot stand in for the space this certificate depends on.
The document you might not have yet: a registered seal
A standard, non-kei car generally requires your jitsuin (実印, registered seal) plus an inkan tōroku shōmeisho (印鑑登録証明書, certificate of seal registration) issued by your city or ward office — not just any hanko, and not a signature. A kei car generally substitutes a copy of your jūminhyō for that seal certificate instead. Plenty of foreign residents go years without registering a seal at all, since banks, phone contracts, and most everyday paperwork accept a signature or an unregistered hanko. If you're buying a standard car and haven't registered one, doing it at your city or ward office is usually a same-day process — but it's an extra stop nobody mentions until a dealer asks for a certificate you don't have.
Documents at a glance
| Document | Standard car | Kei car |
|---|---|---|
| Seal / identity proof | Jitsuin (registered seal) + inkan tōroku shōmeisho | Jūminhyō (residence certificate) generally substitutes |
| Parking proof | Shako shoumei (certificate) via police station | Todokede (notification) — only in designated areas |
| Residency / identity | Residence card (zairyū kādo) and driver's license | Same |
| If parking is rented | Landlord/management company consent certificate or equivalent rental agreement | Same, where notification applies |
General pattern only — exact document lists vary by prefecture and by whether the car is new or used. Confirm the current list with your dealer or the police station handling your application.
Shaken: the inspection that can ambush a good price
Shaken (車検), Japan's mandatory vehicle inspection and registration system, applies to most vehicles over 250cc and is administered under the Ministry of Land, Infrastructure, Transport and Tourism (MLIT). Without a valid shaken, a car cannot legally stay on the road. For most passenger cars the inspection runs on a two-year cycle, with a longer initial window — commonly three years — before a new car's first inspection comes due.
Cost is where this becomes a purchase-decision issue rather than background trivia. Figures reported across cost guides and comparison sites commonly put a full shaken renewal somewhere around ¥60,000–¥150,000 for a kei car and ¥80,000–¥200,000 or more for a standard car. Where you go matters too — a dealer, an independent garage, a chain shop, or doing parts of it yourself all price differently, and so does how much repair or maintenance the car actually needs on top of the fixed legal fees. A used car listed cheap with only a couple of months of shaken left can end up costing about the same as a pricier car with two full years remaining, once that inspection bill lands. Ask for the exact shaken expiry date, not just whether the car "has shaken," before you compare prices.
Listings sometimes advertise a car as shaken-tsuki (車検付き, "with shaken"), which generally means a fresh two-year inspection is already factored into the price, so you won't face another shaken bill right after buying it. A car with little time left, or explicitly sold as shaken-nashi (車検なし, "without shaken"), is often priced lower precisely because that cost is being passed to you afterward — not necessarily a bad trade, but one you should be pricing in deliberately rather than discovering later.
Compulsory liability insurance (jibaiseki), explained officially: every registered vehicle in Japan is legally required to carry compulsory automobile liability insurance under the Act on Securing Compensation for Automobile Accidents. Most shaken providers bundle a jibaiseki renewal into the service automatically, since the law requires valid coverage just to legally drive the car in for its own inspection. MLIT's own overview covers what it does and doesn't pay out for — mlit.go.jp — compulsory automobile liability insurance overview.
Voluntary insurance is a separate box, not this one
Jibaiseki only covers injury to other people, with payout caps set by law, and it doesn't cover your own vehicle, property damage, or your own injuries at all. Because of that gap, most drivers in Japan also carry voluntary auto insurance (任意保険, nini hoken) on top of the compulsory minimum. A handful of insurers advertise English-language support for foreign customers — one roundup aimed at foreign residents names Sony Sompo, AIG, and Zurich as examples — but this guide doesn't evaluate or recommend among them. Coverage, pricing, and English support change over time and by provider, so compare current quotes yourself rather than treating any single name as a default choice.
Putting it in order
Given everything above, here is roughly the order these pieces tend to fall in for a first-time buyer:
- If you're buying a standard (non-kei) car and don't already have one, register a jitsuin at your city or ward office.
- Confirm with your landlord or agent whether your unit includes a parking space, and whether keeping a car there is allowed if it doesn't. Request a parking-use consent certificate if you'll need one.
- Shop for the car, and ask explicitly how much shaken time is left — not just whether it "has shaken" — before agreeing on a price.
- Gather the registration documents: seal certificate or jūminhyō, residence card, and driver's license.
- Apply for the shako shoumei (or todokede, for a kei car in an area that requires it) at the police station covering the parking location. Budget several business days and confirm the current fee.
- Complete vehicle registration at the Land Transport Bureau once the certificate or notification is issued — many dealers handle this step for you, but it's worth confirming who is doing it and when.
- Confirm compulsory (jibaiseki) insurance is in place, and decide separately whether to add voluntary coverage.
- Take delivery.
If you haven't converted your license yet
Everything above assumes you're already driving on a valid Japanese license. If gaimen kirikae is still ahead of you rather than behind you, our guide to converting a foreign driver's license in Japan covers the document checklist, the exempt-country list, and the test format changes that made the process noticeably harder to pass on the first attempt after October 2025.
Before you buy: do you actually need to own one?
Everything above is written for someone who has already decided to buy. If you're only weighing it because you need a car occasionally — a few times a month, say — it's worth checking the alternative first. Our comparison of car sharing and car rental in Japan walks through why an international driving permit only gets you as far as a rental car, and what changes once your license is converted.
What this guide does not cover
Some parts of this system really are administered locally: how the police measure the 2 km distance, the exact document lists, application fees, and typical shaken pricing all vary by prefecture and by provider. The 2 km limit itself, and the areas where the certificate and the kei-car notification apply, do not vary that way. The Cabinet Order sets both nationally. None of this is legal, tax, or insurance advice, and it does not evaluate or recommend a specific dealer, garage, or insurer. It maps the steps and the order they generally go in; confirm the current requirements with your local police station and Land Transport Bureau before you commit money.
Sources
Consulted and confirmed 2026-07-31, except where noted. Three things were re-checked on 2026-08-20. The 2 km limit and the geographic scope of both the certificate and the kei-car notification were read from the Cabinet Order's own text. How the police measure that 2 km came from the prefectural police pages listed below, not from the statute, which is silent on the method. And the absence of an official English translation of the act was confirmed on the government translation database. Everything else on this page still carries the July date.
- e-Gov Law Search (Digital Agency) — Act on Assurance of Car Parking Spaces and Other Matters (自動車の保管場所の確保等に関する法律, Act No. 145 of 1962), Japanese text. Article 3 is the source of the storage-place obligation and Article 5 of the kei-car notification: laws.e-gov.go.jp — Act No. 145 of 1962
- e-Gov Law Search (Digital Agency) — the Cabinet Order under the same Act (自動車の保管場所の確保等に関する法律施行令, Cabinet Order No. 329 of 1962), Japanese text. Article 1(i) is the source of the 2 km limit, and Supplementary Provision paragraph 2 with Appended Tables 1 and 2 is the source of the areas where the certificate and the kei-car notification apply, on municipal boundaries as of 1 June 2000: laws.e-gov.go.jp — Cabinet Order No. 329 of 1962
- Osaka Prefectural Police — storage-location requirements, stating the 2 km as a straight-line distance (直線距離) from the base of use. This and the two pages below are the source for how the distance is measured, which the Cabinet Order itself does not specify: police.pref.osaka.lg.jp — 自動車保管場所の要件
- Kanagawa Prefectural Police — the same requirement, which also spells out that the base of use is a private individual's address or residence: police.pref.kanagawa.jp — 保管場所の要件
- Gunma Prefectural Police — the same straight-line wording, from a third force in a different region: police.pref.gunma.jp — 保管場所の要件
- Japanese Law Translation (Ministry of Justice) — the same Act's entry in the government translation database, which states that the law is not translated, so there is no official English text to cite and the English name used here is a working rendering: japaneselawtranslation.go.jp/en/laws/view/802
- MLIT — Compulsory Automobile Liability Insurance (自賠責保険・共済) overview, including the legal basis under the Act on Securing Compensation for Automobile Accidents: mlit.go.jp/jidosha/jibaiseki/about/overview
- SOMPO Japan — required documents for buying a used car in Japan, including the jitsuin/inkan tōroku shōmeisho vs. jūminhyō distinction between standard and kei cars: park.sompo-japan.co.jp — required documents for buying a used car
- SOMPO Direct — how the kei-car garage notification is handled in practice. The areas where it applies are cited from the Cabinet Order above, not from this page: sompo-direct.co.jp — kei car garage notification
- SOMPO Direct — the parking-place use consent certificate (保管場所使用承諾証明書), who issues it, and typical handling fees: sompo-direct.co.jp — parking-place use consent certificate
- GAZOO (Toyota) — what "shaken-tsuki" and "shaken-nashi" mean on a used car listing: gazoo.com — used cars with and without shaken
- smile-cars.jp — 2026 shaken cost ranges for kei and standard cars: smile-cars.jp — shaken cost guide
- Wikipedia — "Motor-vehicle inspection (Japan)" (shaken system overview and inspection interval), confirmed 2026-07-23: en.wikipedia.org/wiki/Motor-vehicle_inspection_(Japan)
- soukyo.co.jp (English) — first steps to buying a car in Japan, including the shako shoumei process, confirmed 2026-07-23: soukyo.co.jp — first step to buying a car
- Osaka Language Solutions (English) — buying and registering a car in Japan as a foreigner, including shaken, confirmed 2026-07-23: osakalanguagesolutions.com — buying and registering a car
- gaijinblog.com (English) — how to buy a car in Japan as a foreigner, confirmed 2026-07-23: gaijinblog.com — how to buy a car in Japan
- carfromjapan.com (English) — owning a car in Japan, confirmed 2026-07-23: carfromjapan.com — owning a car in Japan
- MailMate (English) — car insurance in Japan, source for the English-support insurer names mentioned above, confirmed 2026-07-23: mailmate.jp — car insurance in Japan