Reduction system for property tax and city planning tax on houses that underwent seismic retrofitting work

In order to promote seismic retrofitting of buildings, certain seismic retrofitting work will be carried out by March 31, 2026, and within three months from the date the renovation work is completed, the ward office of the ward where the house is located will be reduced by half of the property tax amount and city planning tax amount pertaining to the house for a certain period of time only for those declared to the Tax Division House.
(Reduction of city planning tax is Motoichi original measure.)
In addition, about house which earthquake-resistant repair work was carried out and became authorized long-term excellent house, reduction rate is expanded from one-half to two-thirds.

In order to receive the reduction, attach the documents listed in (2) to (3) below to the declaration form, and within three months from the date the renovation work is completed, the ward office Tax Division house manager of the ward where the house is located You need to report to
(It is also possible to submit a report by mail. Please fill in the remarks column of the declaration form with Phone number that can be contacted during the day. )

We can download report about reduction of property tax, city planning tax to impose on earthquake-resistant standard conformity houses. (External Site)
If you are unable to submit within three months from the date of completion of the renovation work, please indicate the reason in the remarks column.

1. Housing Seismic Retrofitting Certificate
2. Construction certificate for extension and remodeling, etc.
3. "Housing Performance Evaluation Report" and "Documents that can confirm construction costs" (receipts, etc.)

This is a document issued by City of Yokohama, Housing and Architecture Bureau Building Planning Division.
For information on certified long-term excellent housing and certification notices, please visit the City of Yokohama, Housing and Architecture Bureau Building Planning Division website.

• Special measures associated with the Great East Japan EarthquakeAnd it cannot be applied in duplicate with the reduction system other than the reduction system pertaining to alternative houses such as earthquakes.
• Property tax and city planning tax on land will not be reduced.
• You may be eligible for income tax deductions. For more information, please contact your local office.

You can download the flyer for this reduction system here.

• [Flyer] To those who have performed seismic retrofitting work on houses (PDF: 776KB)