About electronic application related to various procedures of designated water supply equipment construction company (2024.04.01)

In Yokohama City, all procedures related to designated water supply equipment construction companies (new designation, update, change, abolition (closed), designation book reissuance, appointment and dismissal of chief engineer) are carried out by the Yokohama City Electronic Application and Notification System (hereinafter referred to as "system").
In order to use this system, you need to log in to the system after registering as a member (free) in advance.
If you are using for the first time, please access from the link below, select "New Registration" at the top right of the system web page, log in after registering as a member, and start the procedure.

☆Click here to register as a member. → Home | Yokohama-shi electronic application, report system (yokohama.lg.jp) (outside site)

1. Notification of new registration, change, abolition (closed), reissuance of designated documents, appointment of chief engineer and dismissal → Notification of new registration / change of designated Yokohama City (yokohama.lg.jp)
2. Specified update → About designated update Yokohama-shi (yokohama.lg.jp)
3. List of leak repair companies on the downstream side of the meter → About list of leak repair companies downstream of meter Yokohama-shi (yokohama.lg.jp)