Yokohama City Drainage Equipment Designated Construction Shop

In Yokohama City, construction shops that can perform drainage construction and flushing work are designated as "Yokohama City Drainage Designated Construction Shops" (hereinafter referred to as "designated construction shops").

※In Article 38 of the Yokohama City Sewerage Ordinance, it is stipulated that "construction such as new construction of drainage facilities and remodeling of toilets to flush toilets in treatment areas can only be performed by those designated by the mayor." As it is done, let's ask designated construction shop for drainage construction.

■When drainage facilities such as flush toilets are clogged
If the indoor drainage system (toilet, kitchen, bathroom, washing machine storage, washroom, etc.) is clogged, before consulting or requesting a designated construction shop, drain water from the indoor drainage facility other than the clogged area Please make sure that the flow of a specific part is poor or that the flow is poor overall.
If you live in a condominium or apartment house, please consult with caretaker, management company or apartment owner.

※When the clogged area is indoor drainage facilities managed by you or drainage pipes in residential lands.
　→Please consult with a contractor who constructed the water area around your home, a drainage contractor you know, or a designated construction shop for Yokohama City drainage facilities near your home.
　→In the case of only removing or cleaning drainage pipes in residential lands that do not involve construction, it can be done even if it is not a designated construction shop.
※If the overall flow is poor or the situation of drainage is checked, but it is not clear where the cause of the clogging is.
　→Please consult with Public Works Office in your ward.

■Attention when requesting a designated construction shop
Explain the state of the place to be requested, discuss the details of the construction and the contract amount, etc. well, and make a request (contract) after consent.
　・ Let's get quotes from multiple designated construction shops.
　・ When requesting an estimate, check the estimated fee, travel expenses, etc.
　・ Let's confirm contract amount, contents, time (construction period) of repair and construction.
※Please
　Depending on the designated construction shop, some construction shops may not be able to receive requests depending on the balance with other jobs or the type of construction / repair, or some construction shops do not clean (without construction) toilet drainage pipes. Please note that there is.

■List of Designated Construction Shops
　※In alphabetical order
A line (PDF: 456KB) or line (PDF: 443KB) line (PDF: 450KB) line (PDF: 431KB) line (PDF: 413KB)
Ha line (PDF: 420KB) Ma line (PDF: 417KB) and line (PDF: 410KB) La line (PDF: 389KB) Wa line (PDF: 389KB)

　※Distinguishment: Outside Yokohama
Aoba Ward (PDF: 402KB) Asahi Ward (PDF: 410KB) Izumi Ward (PDF: 408KB) Isogo Ward (PDF: 400KB) Kanagawa Ward (PDF: 409KB)
Kanazawa Ward (PDF: 397KB) Konan Ward (PDF: 406KB) Kohoku Ward (PDF: 407KB) Sakae Ward (PDF: 396KB) Seya Ward (PDF: 415KB)
Tsuzuki Ward   (PDF: 404KB) Tsurumi Ward (PDF: 402KB) Totsuka Ward (PDF: 407KB) Naka Ward (PDF: 402KB) Nishi Ward (PDF: 401KB)
Hodogaya Ward (PDF: 409KB) Midori Ward (PDF: 408KB) Minami Ward (PDF: 403KB)
Outside Yokohama City (PDF: 514KB)

■Drainage facilities designated construction shop that can respond to inquiries and consultations regarding water around holidays and nighttime (toilet, etc.)
　※Available time zone

• "Weekday night" is the time zone from Monday to Saturday from 8:00 pm to 8:00 am the next day. However, holidays and holidays are excluded.

　　Example) Saturday night is the time zone from 8:00 pm on Saturday to 8:00 am on Sunday.

• "Holiday daytime" is the time zone from 8:00 am to 8:00 pm on Sunday, public holidays, national holidays.
• "Holiday night" is the time zone from 8:00 pm on Sunday, national holidays, public holidays, and national holidays to 8:00 am the next day.

　　Example) Sunday night is the time zone from 8:00 pm on Sunday to 8:00 am on Monday.
　※Please
　　When making inquiries and consulting with a designated construction shop, please understand the following points in advance.

• Depending on the designated shop construction shop, there may be a change in the available time zone after posting the list.
• We may not be able to respond depending on regular holidays, holidays such as the year-end and New Year holidays, the client's Address, and the type of construction and repair.
• Please note that some construction shops do not clean the drain pipes of toilets (without construction).
• The time zone displayed as "holiday / nighttime response time zone" is a rough guide and includes cases where a part of that time zone can be accommodated.

　　Example: Available until 24:00 p.m. on weekdays → It is marked with a circle on "Day Night and Night".
　　Example: Can be handled during the daytime on holidays other than Sunday → "Holiday noon" is marked with a circle.

• When requesting repairs, check the work content and cost in advance before requesting. . Costs vary depending on the time of repair, the content and degree of work.
• Repair costs may be more expensive than normal charges. If you can wait until morning after consulting with a designated construction shop, one way is to have them come to repair during normal business hours.

　　Yokohama-shi drainage designation construction shop (nighttime correspondence) (PDF: 319KB)

◎Click here for application for new designation of designated construction shop, application for designated renewal, notification of transfer, etc.