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Block wall improvement project

Last Updated October 25, 2024

About start of acceptance of subsidy grant application

We have started accepting applications for grant grants for 2024. (Reception period: until the end of December 2024)
※If you are applying for a subsidy during 2024, please apply for a prior consultation by the end of October.


In the earthquake in northern Osaka Prefecture in June 2018, the collapse of the block wall caused human life-threatening damage. In response to this, Yokohama City subsidizes a part of the improvement work costs such as concrete block walls throughout the city from the viewpoint of preventing damage to pedestrians in the event of an earthquake.
It is necessary to consult in advance before applying for a subsidy grant, and to receive a response after field surveys. It takes about two months from the application for advance consultation to the answer, so please be careful if you are considering applying for a subsidy.

1 Overview of the Subsidiary System

(1) Target area

The entire Yokohama-shi area
※When it is targeted for "narrow road widening maintenance business", "improvement business such as block walls" cannot be used in principle.
About removal and relocation of block wall of retreat site of narrow road maintenance promotion line, please talk with road charge (Phone: 045-671-4544).

(2) Target block walls, etc.

As a general rule, those that satisfy all of the following a to c
Oh, facing roads (* 1)
B. Block walls with a height of 1m or more (* 2).
C. Those that may collapse during an earthquake. (※3)
※1 "Roads, etc." means roads of the Road Law, roads prescribed in Article 42 of the Building Standards Law, vacant lots pertaining to the provisions of Article 43, Paragraph 2, and other similar things that the mayor recognizes.
※2 “Block walls, etc.” means concrete block walls, concrete fences, masonry fences, perpetual fences, and similar fences.
※3 After consultation in advance, city officials or experts entrusted by the city confirm the site and judge.

(3) Those who can apply for subsidies

Owners or managers of block walls, etc.

2 Construction to be subsidized

Please select the contractor from the company with the head office in the city.
Removal: Construction work to remove all block walls facing roads, etc. in principle
New establishment: New construction of lightweight fences (* 4) (* 5) or hedges to be performed as a set with the removal of block walls, etc.

※4 In the case of roads with a width of less than 4m, the cost of newly establishing lightweight fences or hedges is not covered in principle.
※5 “Light fences, etc.” means net fences, aluminum fences, and other similar fences.

Image of construction targeted for assistance


Construction image targeted for new construction assistance (PDF: 381KB)

[Note]
The payment procedure for the subsidy must be completed within the year in which the subsidy grant application was made.
Please submit the completion of construction and completion report by the end of February.
If there is no completion of construction and no submission of a completion report to the city by the end of February, subsidies cannot be issued.

3 Subsidy amount

The amount of assistance is determined by the assistance rate, length, etc. (See table below)
Removal of block walls, etc.New construction of lightweight fences, etc.

9/10 of the subsidized construction cost

Or

Amount multiplied by length x 13,000 yen/m


Whichever is lower

1/2 of construction costs to be subsidized

Or

  • When establishing a new foundation The amount obtained by multiplying the length by 37,000 yen/m
  • The amount obtained by multiplying the length by 18,000 yen/m when using existing foundations
  • When setting up hedges The amount obtained by multiplying the length by 13,000 yen / m

Whichever is lower

The upper limit of the above removal work combined with new construction work such as lightweight fences is determined according to the length of the fence.
Less than 10m 300,000 yen 10m to less than 20m 400,000 yen 20m or more 500,000 yen

4 Flow of Main Procedures


5 Contact point where you can consult about improvement work such as block walls

Please refer to Housing and Architecture Bureau Building Disaster Prevention Section (Phone: 045-671-2930) for inquiry about supporting system.
※The following window is a consultation desk for improvement work, etc., so we do not accept inquiries about the support system.


6 How to apply for prior consultation

7 Subsidy grant application related

It is necessary to consult in advance before applying for a subsidy grant and receive an answer.


It takes about two months from the application for advance consultation to the answer, so please be careful if you are considering applying for a subsidy.

Documents required for application
Subsidy grant application

[When the application procedure is delegated]

[If the owner of the block wall, etc. is other than the applicant]

Form after construction is completed
Form when a change occurs

[When canceling the application procedure after applying for a grant]

[When changing the amount of money or the contents of construction after the grant is decided]

[When minor changes are made after the grant is decided]

[If the application is withdrawn after the grant is decided]

※Before applying for a subsidy grant, it is necessary to consult in advance.

8 Outline

9 Contact:

Building Disaster Prevention Section, City of Yokohama, Housing and Architecture Bureau Planning Department
Telephone: 045-671-2930 (Reception hours: 8:45 am to 12:00 am on weekdays and from 1:00 pm to 5:15 pm)
〒231-0005 6-50-10 Honcho, Naka-ku, Yokohama City Hall 25F (Guide map)

10 Related Information

Consultation on subsidy systems related to removal, relocation, improvement, etc. of block walls
In order to improve block walls, etc., we will answer in advance which business you can use.
Specifically, please refer to Housing and Architecture Bureau building disaster prevention section (Phone: 045-671-2930).

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Inquiries to this page

Building Disaster Prevention Section, Housing and Architecture Bureau Planning Department

Telephone: 045-671-2930

Telephone: 045-671-2930

Fax: 045-663-3255

Email address: kc-block@city.yokohama.lg.jp

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Page ID: 311-307-379

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