I want to install a sewer pipe on a private road. Where should I consult?

The sewerage facilities laid by the city are basically intended for public roads. About private road part, we have everybody using sewer perform construction in principle. But, when we meet certain conditions, when we apply for system use of "private road measures contract sewer construction" or "subsidy of common drainage construction", city installs sewer pipe on behalf of user We install or grant grant for construction that user performed.
The application window will be Public Works Office in your ward, so please contact each Public Works Office for details.
The outline and main differences of the system are outlined below.

Subsidy for construction of joint drainage facilities for private roads
Number of target houses <Common> 2 or more with different owners (excluding houses facing public roads)
The width of the private road is approximately 1.5m or more
No contribution ※1. 10% of construction cost ※２
Type of laying pipes Public sewer pipes (city owned) Private pipes (joint drainage facilities)
Establishment of land rights No land rights
Construction Order Yokohama City Applicant
Management of pipes after construction Yokohama City Users
Road management after construction <common> Land owners

※1 Contribution: None (The applicant will bear the cost of writing, etc. associated with the establishment of ground rights)
※2 Contribution: 10% of construction cost (if the subsidy limit exceeds 3 million yen, the excess amount)

Environmental Planning Bureau Sewer Management Division Maintenance
045-671-2831

Environmental Planning Bureau Sewer Management Division Sewerage Bureau
045-671-2829

List of Public Works Office in each ward