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Permit guideKitchenerBuilding PermitsPlumbing & Drains

Water, sewer, storm and backflow device permits

You need a building permit to replace or install a new water, storm or sewer service connection on private property, and before starting emergency water service or sewer repairs.

From Kitchener’s own page, checked Oct 2026.

The municipality lists what to submit. CodeEase shows what the building code asks of it. See CodeEase →

  1. Check whether you need a permit

    • You need a building permit to replace or install a new water, storm or sewer service connection on private property.
    • For emergency water service or sewer repairs on private property, you need a building permit before starting the work.
  2. Only if you are adding a backflow device

    Adding a backflow device

    A backflow preventer (BFP) can stop backflow before it happens. These devices ensure unwanted substances do not enter the city's clean water supply.

    Fees

    • permit fee: $108.49 per device

    Forms

  3. Only if you need emergency water service repairs on private property outside of business hours

    Emergency water service repairs (outside of business hours)

    • For emergency water service repairs on private property, you must complete the requirements for the emergency water service repair permit.
    • You must apply for a permit at City Hall the next business day.
  4. Only if you need emergency water service or sewer repairs on private property during business hours

    Emergency water or sewer replacement or repair (during business hours)

    Fees

    • permit fee: $95 or $0.59/linear foot

    Forms

  5. Only if you are replacing or installing a new water, storm or sewer service connection on private property

    Water, sewer, storm - new or replacement

    Fees

    • permit fee: $95 minimum or $0.59 per linear foot

    Forms

    • application form
    • site plan showing the location of the proposed water, sewer or storm

  6. Submit your application

    • Visit our apply for a building permit page to find how to apply for a permit.

Written from Kitchener’s own pages as published on 23 October 2026. The municipality decides what a permit needs: confirm with it before you apply. Legal notice

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