The Ontario Building Code | Required Fixtures
9.31.4.1. Required Fixtures
(1) Adwelling unit with a water distribution system shall contain,
(a) a kitchen sink,
(b) a lavatory,
(c) a bathtub or shower stall, and
(d) a water closet or a drainless composting toilet.
In Plain Language
A dwelling unit must have the minimum required plumbing fixtures set out in this article, such as a water closet, sink, and bathing facility.
This is a plain-language summary of the 2012/2017 Ontario Building Code text above, for general understanding only and not a substitute for the Code. Always confirm current requirements against the 2024 edition (O.Reg. 163/24) or a qualified professional before construction.