Floor Numbering — Ontario Building Code
Regulation O.Reg 332/12 · Province of Ontario
§The Law
O.Reg 332/12 — Regulation O.Reg 332/12
“Stairwells and elevator lobbies must display floor numbers so building occupants and emergency responders can quickly identify which floor they are on.”
View official regulation text✓Plain English
Floor numbers in stairwells are critical for emergency response. Firefighters and paramedics navigate by floor number during emergencies.
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Specific Requirements
Floor number in each stairwell
Floor number at elevator lobby
Visible on approach to level
AODA compliant where applicable
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📚Sources & Authority
Every claim on this page is backed by official government legislation and verified industry sources. Last verified: March 2026.
🏛 Official Government Sources
Ontario Building Code — O. Reg. 332/12
Ontario.ca · March 2026
The Ontario Building Code covers room identification, exit signage, accessibility markers, and building identification requirements.
Ontario Occupational Health and Safety Act
Ontario.ca · March 2026
OHSA requires workplace safety signs including emergency assembly points, confined space warnings, and hazard identification.
All sources are official government publications or recognized industry authorities. Links verified March 2026. If you find a broken link, let us know.
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Shop Property SignsOr call (289) 228-7021Regulation Quick Facts
- Regulation
- O.Reg 332/12
- Jurisdiction
- 🏛 Province of Ontario
- Category
- Property & Building Code
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