Code Library › Volume 1 › Section 3.7 — Health Requirements
PART 3 — FIRE PROTECTION, OCCUPANT SAFETY AND ACCESSIBILITYUpdated for the 2024 Ontario Building Code

3.7.4.7.Plumbing Fixtures for Business and Personal Services Occupancies

(1) Except as provided in Sentence (2), the number of water closets required for business and personal services occupancies shall conform to Table 3.7.4.7. (2) Not more than one water closet to serve both sexes need be provided in a Group D occupancy having an occupant load of not more than 10 persons. Table 3.7.4.7. Water Closets for Business and Personal Services Occupancies Forming Part of Sentence 3.7.4.7.(1) Number of Persons Minimum Number of Water Closets of Each Sex for Each Sex up to 9 1 10 to 24 2 25 to 49 3 50 to 74 4 75 to 100 5 6 plus 1 for each additional increment of over 100 30 persons of each sex in excess of 100

This provision includes a table — formatting is preserved from the source; refer to the official code for the authoritative layout.

← Previous3.7.4.6. Plumbing Fixtures for Other Residential OccupancNext →3.7.4.8. Plumbing Fixtures for Mercantile Occupancies

Common questions about this part of the code

How many washroom fixtures does a building need under the Ontario Building Code?When is a universal washroom required in an Ontario building?Are drinking fountains required by the Ontario Building Code?What are the medical gas piping requirements in the Ontario Building Code?

Understand this provision in seconds

BUILDAiD Assist explains any article of the building code in plain English — with exact citations, exceptions and related requirements.

Try BUILDAiD Beta

Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.