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Information for Yokohama-shi wooden house earthquake proofing diagnosis person dispatch business

We support! Earthquake-resistant diagnosis of house


 System summary

 As for this system, Yokohama-shi performs "earthquake proofing diagnosis" of wooden construction individual house to aim at safe town development resisting earthquake, and dispatches "wooden house earthquake proofing diagnosis person" whom the mayor authorized to citizen's hoping for earthquake proofing diagnosis and investigates and supports citizen's earthquake proofing measures.
 In addition, you can use earthquake-resistant repair work of house for some assistance to earthquake-resistant repair work expense system toward the thought based on this earthquake-resistant diagnosis result.

 Video introduces contents of this business


※After July 1, 2015, building of chart below "area of wooden building security consultation business" carries out earthquake-resistant diagnosis by wooden construction building security consultation business.

      ⇒Area for << Portable Document Format 536KB >> of wooden building security consultation business


           The business details: http://translate-en.city.yokohama.lg.jp/toshi/bousaimachi/machihune/anzen/ 


           Jurisdiction: City of Yokohama, Urban Development Bureau disaster prevention town development promotion section


           Reference: The association of general Yokohama-shi authorized architect office "wooden construction earthquake proofing diagnosis" secretariat


                                           045-662-2711 (trust and equivalence of "earthquake-resistant diagnosis business")



 Target building

 Object of diagnosis shall meet all the next conditions.

Use, form

Being wooden personal house to live in by self-possession by oneself

  •  Thing including lease house (including vacant houses) and lock-up, office is inapplicable.
     ⇒ There is system diagnosing in pay (10,000 yen).
  •  In the case of house (including thing which a part of the building touches the next building with) where there are multiple dwelling units, please refer.
  •  When owner does not live, and spouse of owner or first degree relative lives, please refer.

Being wooden house of Class convention axes how to structure less than 2 stories

  •  Prefab house, two-by-four method house, lightweight steel frame house, house of blend structure are inapplicable. 
Building time

We got building certification before May 31, 1981 and were started construction

  •  When floor spaces of extension which started construction after June 1, 1981 are more than half of current deferred floor space, we are excluded.
  •  At time to build house, we perform building certification application and will receive grant of confirmation letter of advice (existing: identification of confirmation finished) proving that we meet standard of Building Standard Act. Please confirm date of confirmation letter of advice at hand. (in the case of ignorance, please refer.)
  • We intend about thing which started construction before the Building Standard Act enforcement.
The time required

From two hours to three hours degree

  •  By field work, we tear off wall and may not destroy house. We investigate as far as we can see.
  •  I would like to speak to observer during field work.
Expense Free of charge

 Application method


 Flow of earthquake-resistant diagnosis

  1. Application
  2. Approximately one week after application, we will tell about the diagnosis date and time by postcard or email.
  3. Diagnosis person calls at home on diagnosis day and performs field work.
  4. We mail earthquake-resistant diagnosis report approximately three weeks after diagnosis day.
  5. When quake resistance is diagnosed as being insufficient, sorry for your inconvenience, but I would like notification of adjustment later in schedule as visit counselor calls at home.
    ※ Visit counselor calls at home and explains method of explanation of earthquake-resistant diagnosis result and general earthquake-resistant repair, estimated cost of earthquake-resistant repair, assistance system.
    ※ As for the method of notification, please see cover of earthquake-resistant diagnosis report.
    ※ When dispatch of visit counselor is not necessary, sorry for your inconvenience, but please inform of so.

 Inquiry, application

Yokohama-shi wooden house earthquake proofing diagnosis business trust

The association of general Yokohama-shi authorized architect office "wooden construction earthquake proofing diagnosis" secretariat

 ■ Yokohama Building 5F in address 〒〒 231-0003 4-40, Kitanakadori, Naka-ku, Yokohama-shi business and industry

 ■ Telephone 045-662-2711

 ■ FAX 045-662-8981

 ■ From reception hours 9:00 from 12:00, 13:00 16:00 (except Saturdays, Sundays and holidays, the year-end and New Year holidays)

 System summaries

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