Small Buildings 2024 FAQ - BCIN and Exam Questions

Common questions about Ontario's Small Buildings 2024 BCIN exam.

Is the 2024 Small Buildings exam already in use?

Humber’s registration site says 2024-code-based Ontario Building Code exams start on March 30, 2026. Confirm your booked sitting if your date is near that transition.

What is the format?

Humber describes Ontario Building Code exams as open-book, 3 hours, with 70 multiple-choice and true/false questions.

Why is this such a common path?

It is the core exam for residential and many light-commercial small-building candidates, so the search intent and candidate volume are both strong.

What is the biggest study mistake?

Ignoring the line between Part 9 and the crossover triggers that send you into Part 3, Part 4, or a supplementary standard.

Do I need a BCIN to register?

Yes. Humber says a personal BCIN is required for registration.