1|Page
2026 Latest Owner Builder Test with 350
Practice Questions and Correct Verified
Answers/ BC Owner Builder Authorization
Exam Prep 2026
What is the minimum distance that a ladder must extend above a
parapet wall or landing? ..........ANSWER.......3 feet
If you have a 4m ladder, how far from the wall does the base of the
ladder have to be? ..........ANSWER.......74 degrees or 4:1 ratio. So
4 m ladder, needs to be 1 m away.
What heights are end dams to be on window and door flashings?
..........ANSWER.......25 mm / 1 inch (from BCBC)
When to call for inspections and how to make them efficient as
possible? ..........ANSWER.......Group together when possible and
call when work is complete
When is an HRV required? ..........ANSWER.......Almost always:
"Effective December ϭε, ϮϬϭκ residential dwelling units, such as
houses, apartments and secondary suites will be required to have
a principal ventilation system that exhausts air from bathrooms
and kitchens and supplies fresh air to bedrooms and living areas
,2|Page
[ε.ϯϮ.ϯ.ϯ."
"Some small dwelling units in mild climates are permitted to
supply fresh air through passive vents [9.32.3.4.(6)], but for most
dwelling units exhaust and supply will require a mechanical fan"
What can you build under the owner-builder HPO process?
..........ANSWER.......Single detached home under a single title.
One single dwelling unit in or attached to a pre-existing building
older than 10 years (includes
the addition of a unit to convert a detached home to a duplex, or
conversion of a duplex to triplex, or conversion of non -residential
space
to a dwelling unit). One single dwelling unit in or attached to a
new non-residential building (one only per building, such as a
caretaker suite
or home built above a family-run store).
12. Who issues permits for a gas fireplace?
Which of the following is not allowed under the HPO owner-
builder program? ..........ANSWER.......A new dwelling unit
attached to building *newer*
than 10 years old
Who issues permits for a gas fireplace? ..........ANSWER.......The
Safety Authority - Now called Technical Safety BC
,3|Page
Can an owner builder take out his or her own electrical permit?
..........ANSWER.......Yes -work up to 200A is allowed.
What types of Buildings that Can be Wired by Homeowners?
..........ANSWER.......You are entitled to do electrical work in a fully
detached residential dwelling that you occupy or intend to occupy.
Your
dwelling may not contain a suite. Fully detached dwellings are
buildings that are designed for single family use only.
You are not allowed to do electrical work in or on any buildings if:
ͻ you do not live in or intend to live in the dwelling,
ͻ any part of the building includes a separate self-contained suite
or occupancy,
ͻ the building, or any part of the building is being used to provide
rental income, or
ͻ the building, or any part of the building is used for commercial
purposes.
What is the best practice to apply asphalt waterproofing on a
foundation? ..........ANSWER.......Spray-on or roll on dry
foundation with 2inch (max) below grade
What is best practice for waterproofing on foundation?
..........ANSWER.......Spray or roll 12 inch above grade on dry
surface
, 4|Page
When is the appropriate time to backfill a foundation?
..........ANSWER.......After Damp-proofing
Where does one apply Damp-proofing Material
..........ANSWER.......Exterior damp-proofing shall be applied from
finished ground level to the top of the exterior of the footing.
What do you need to do when applying a peel and stick
waterproof membrane foundation? ..........ANSWER.......Use an
approved primer before installing
The distance from the gas vent to the roof must be...
..........ANSWER..........greater than the overhang of the roof.
Nothing (no gas appliance exhaust vents) within
1m either side and 4.5 meters above. Any powered air intake must
not be within 3 meters.
When do you need to install a handrail, or have worker wear fall
protection? ..........ANSWER.......10 feet above grade
If a worker has no fall protection, at what height must a handrail
be provided? ..........ANSWER.......4 feet
2026 Latest Owner Builder Test with 350
Practice Questions and Correct Verified
Answers/ BC Owner Builder Authorization
Exam Prep 2026
What is the minimum distance that a ladder must extend above a
parapet wall or landing? ..........ANSWER.......3 feet
If you have a 4m ladder, how far from the wall does the base of the
ladder have to be? ..........ANSWER.......74 degrees or 4:1 ratio. So
4 m ladder, needs to be 1 m away.
What heights are end dams to be on window and door flashings?
..........ANSWER.......25 mm / 1 inch (from BCBC)
When to call for inspections and how to make them efficient as
possible? ..........ANSWER.......Group together when possible and
call when work is complete
When is an HRV required? ..........ANSWER.......Almost always:
"Effective December ϭε, ϮϬϭκ residential dwelling units, such as
houses, apartments and secondary suites will be required to have
a principal ventilation system that exhausts air from bathrooms
and kitchens and supplies fresh air to bedrooms and living areas
,2|Page
[ε.ϯϮ.ϯ.ϯ."
"Some small dwelling units in mild climates are permitted to
supply fresh air through passive vents [9.32.3.4.(6)], but for most
dwelling units exhaust and supply will require a mechanical fan"
What can you build under the owner-builder HPO process?
..........ANSWER.......Single detached home under a single title.
One single dwelling unit in or attached to a pre-existing building
older than 10 years (includes
the addition of a unit to convert a detached home to a duplex, or
conversion of a duplex to triplex, or conversion of non -residential
space
to a dwelling unit). One single dwelling unit in or attached to a
new non-residential building (one only per building, such as a
caretaker suite
or home built above a family-run store).
12. Who issues permits for a gas fireplace?
Which of the following is not allowed under the HPO owner-
builder program? ..........ANSWER.......A new dwelling unit
attached to building *newer*
than 10 years old
Who issues permits for a gas fireplace? ..........ANSWER.......The
Safety Authority - Now called Technical Safety BC
,3|Page
Can an owner builder take out his or her own electrical permit?
..........ANSWER.......Yes -work up to 200A is allowed.
What types of Buildings that Can be Wired by Homeowners?
..........ANSWER.......You are entitled to do electrical work in a fully
detached residential dwelling that you occupy or intend to occupy.
Your
dwelling may not contain a suite. Fully detached dwellings are
buildings that are designed for single family use only.
You are not allowed to do electrical work in or on any buildings if:
ͻ you do not live in or intend to live in the dwelling,
ͻ any part of the building includes a separate self-contained suite
or occupancy,
ͻ the building, or any part of the building is being used to provide
rental income, or
ͻ the building, or any part of the building is used for commercial
purposes.
What is the best practice to apply asphalt waterproofing on a
foundation? ..........ANSWER.......Spray-on or roll on dry
foundation with 2inch (max) below grade
What is best practice for waterproofing on foundation?
..........ANSWER.......Spray or roll 12 inch above grade on dry
surface
, 4|Page
When is the appropriate time to backfill a foundation?
..........ANSWER.......After Damp-proofing
Where does one apply Damp-proofing Material
..........ANSWER.......Exterior damp-proofing shall be applied from
finished ground level to the top of the exterior of the footing.
What do you need to do when applying a peel and stick
waterproof membrane foundation? ..........ANSWER.......Use an
approved primer before installing
The distance from the gas vent to the roof must be...
..........ANSWER..........greater than the overhang of the roof.
Nothing (no gas appliance exhaust vents) within
1m either side and 4.5 meters above. Any powered air intake must
not be within 3 meters.
When do you need to install a handrail, or have worker wear fall
protection? ..........ANSWER.......10 feet above grade
If a worker has no fall protection, at what height must a handrail
be provided? ..........ANSWER.......4 feet
