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Information for Yokohama-shi wooden house earthquake proofing repair promotion business

Last update date May 8, 2020

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System summary

Yokohama-shi wooden house earthquake proofing repair promotion business is system that city assists some earthquake-resistant repair work expenses of wooden personal house

Acceptance of 2020 starts from Monday, April 6, 2020.

Receptionist of documents modifying application goes in "Yokohama-shi authorized architect office association" which is trust group of city. Please submit by bringing or mail.
(please refer to the lower page for Address of association of Yokohama-shi authorized architect office and Phone number)

■Object (please see guide of application about the details)
Target house

  • Wooden construction individual house (thing living by self-possession by oneself) of convention axis group how to structure that is with 2 stories that gets building certification before the end of May, 1981, and was started construction of or less of
  • House where it was determined that score (superstructure rating) was less than 1.0 as a result of earthquake-resistant diagnosis in the house mentioned above

※It is not intended for house judged to have 1.0 or more superstructure rating by earthquake-resistant diagnosis (diagnosis after September 1, 2007) by general diagnostic method that Yokohama-shi performed.
※When owner does not live, and spouse of owner or first degree relative lives, please refer.
※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.
※Please talk about whether cases such as blend structure (building including structure except wooden construction) or special shape become a target supporting before application by all means.

Target construction

  • The basics, reinforcement that we swell, and pillar is source (bearing wall), earthquake-resistant repair work that it blows, and scores by earthquake proofing diagnosis become 1.0 or more by substitutes of roof for lightweighting
  • We rebuild and are not for construction.


  • For earthquake-resistant repair work expense, we assist for supporting limit of list shown below depending on taxation division of household.
Supporting limit
Taxation division of householdSupporting limit
General household1 million yen
Tax exemption household (※)1.4 million yen

※Household where all the households do not receive taxation of residence tax for the past two years

Book necessary for application

When we are going to receive grant of subsidy, procedure for grant application of subsidy is necessary. Please refer to "guide of application" for the details.

In addition, we can download applications from the following other than Housing and Architecture Bureau architecture Disaster Prevention Section, association of Yokohama-shi authorized architect office, how square Yokohama window distribution. In addition, "guide of application" to apply and application documents vary according to time to apply. As correction is necessary when it is not appropriate style, please be careful.

[guide of application]

※As for the change part from former revised edition, please see "guide - revision sixth han - of application" (change part deficit indication) (PDF: 4,916KB).
※As for (technical advice), please see this (PDF: 831KB) about authorization to modify class that the Minister of Land, Infrastructure and Transport admits as thing which can confirm that designer becoming representative corresponds to earthquake-resistant repair promotion law enforcement regulations Article 5 No. 1 or No. 2.
―Guide of old application―

The fifth edition the old and the new list (April, 2019 version) (PDF: 124KB)
The fifth edition the old and the new list (April, 2018 version) (PDF: 647KB)
The fifth edition errata (April, 2018 version) (PDF: 327KB)

[application documents]

Application downloading

About the number that is subject to examination of bearing wall construction in intermediate inspection (news) (PDF: 104KB)

About design and choice of construction company

Yokohama-shi wooden house earthquake proofing repair promotion business
Design, construction company registration system

  • In Yokohama-shi, we prevent trouble by vicious company over this system and carry out system to register reliable design, construction company with Yokohama-shi for the purpose of having citizen start earthquake-resistant repair work in peace.
  • When we perform earthquake-resistant repair work using this system, it becomes that only registered company can perform design, construction. When company which is not registered performs design, construction, registration is necessary at one time.
  • Registration requirements, format when we registered at one time from April, 2018 were changed. For more details, please refer to guide of application

About design, construction company registration system registration company list

⇒To page of registration company list (each distinction)

  • Registration company listWe can read this in Housing and Architecture Bureau architecture Disaster Prevention Section, how square Yokohama, each ward office Public Relations Section.

Submission of application, reference

Yokohama-shi wooden house earthquake proofing repair promotion business trust point
Association of Yokohama-shi authorized architect office "person in charge of earthquake-resistant repair assistance system"

  • Address: Yokohama Building 5F in 〒 231-0003 4-40, Kitanakadori, Naka-ku, Yokohama-shi business and industry
  • Telephone: 045-662-2711
  • FAX: 045-662-8981
  • Reception hours: From 9:00 from 12:00, 13:00 to 16:00 (except Saturdays, Sundays and holidays, New Year holidays)
    Brochure of system summary distributes even the first floor of the city hall citizen information center, each ward office Public Relations Section, service counter in the city hall other than distribution place of the application mentioned above.

Identification of Yokohama-shi wooden house earthquake proofing diagnosis, earthquake-resistant repair finished grant system

We issue document and indication thing (nameplate seal) proving that score (superstructure rating) by earthquake proofing diagnosis has quake resistance for higher than 1.0 and judged after free earthquake-resistant diagnosis of Yokohama-shi or the use of earthquake-resistant repair assistance system of Yokohama-shi.

Supporting system available at the same time

Eco-renovation (energy saving repair) assistance to Yokohama-shi house system
<business main constituent> City of Yokohama, Housing and Architecture Bureau Housing Policy Division (homepage of City of Yokohama, Housing and Architecture Bureau Housing Policy Division)

System summaries

Subsidy grant summary (PDF: 673KB) about Yokohama-shi wooden house earthquake proofing repair promotion business

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Inquiry to this page

City of Yokohama, Housing and Architecture Bureau architecture Disaster Prevention Section

Telephone: 045-671-2943

Telephone: 045-671-2943

Fax: 045-663-3255

E-Mail address [email protected]

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Page ID: 513-592-624

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