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Framing inspection is often the single most consequential site visit in a residential build — it's the last look before the walls close up.

Several more provinces and territories have advanced their own adoption of the 2020 national model codes over the past year.

Beyond a modest height off the ground, codes start requiring more from a guard than just being present.

Before a building permit is even reviewed, some municipalities want to know how the site will actually be serviced with water, sewer, and drainage.

Canada's model codes are on a published tiered path toward requiring new buildings to be net-zero-energy-ready by 2030.

A wall doesn't have to look load-bearing to actually be doing structural work — and removing it without a permit is a common, serious mistake.

Two provinces can both claim to be "based on the National Building Code" and still land on different answers to the same question.

In much of Canada, there's a hard seasonal deadline on certain inspections that has nothing to do with the calendar on the permit.

Between full code updates, a building department can issue guidance that clarifies — but doesn't rewrite — how a requirement is applied.

Not every code requirement is a hard number — some are written as an objective, with more than one way to satisfy it.

A permit being approved means the plans were reviewed and accepted — it isn't a guarantee that everything about the finished building is code-compliant.

A final inspection isn't a re-check of everything already inspected along the way — it's confirming the last, visible pieces are done and match what was approved.

Before the code asks how many exits a building needs, it first asks what kind of building it is — that's occupancy classification.

Ontario's 2020-based building code edition is now in force, following the province's transition and consultation period.

Ontario is moving toward a new building code edition built on the 2020 national model codes, with an effective date on the horizon.

In wildfire-prone regions, some straightforward construction choices meaningfully change whether a building survives an ember storm.

A plumbing rough-in inspection happens before any fixtures are installed — it's checking the pipes, not the sinks.

Before the first shovel goes in the ground, some jurisdictions want a surveyor to confirm exactly where the property lines actually are.

An accessible entrance doesn't help much if the route from the parking lot to the door isn't accessible too.

British Columbia's stepped, performance-based energy requirements continue climbing toward a province-wide net-zero-ready target.

The same deck can legally have two different guard heights on it — a taller one along the flat surface, a lower one alongside the stairs leading down from it.

Electrical rough-in inspections catch a surprisingly consistent short list of issues, over and over, project after project.

A code edition doesn't stay perfectly static for the years between updates — errors get published as errata along the way.

In some provinces, key parts of a permit application aren't reviewed by the building department at all — a professional signs off on them instead.

Not every renovation needs the same level of permit as new construction — but "cosmetic" covers less ground than most people assume.

A province adopts a base code, and then individual municipalities can layer their own amendments on top of it.

Converting a retail space into a restaurant, or a house into a duplex, can trigger code requirements that have nothing to do with any physical construction.

A handrail can be structurally solid and still fail inspection if a hand simply can't wrap around it properly.

Most rejected permit applications aren't rejected over some obscure technicality — they're missing something basic.

The 2020 code series broadens where accessible design is required, not just how it's detailed once required.

The plans you got approved for a permit and the drawings that show what actually got built are rarely identical — that's what as-builts are for.

An attached garage isn't just a room with a big door — code treats it as a distinct fire and gas hazard next to where you sleep.

New homes are increasingly required to include a rough-in for radon mitigation, even in areas where nobody's tested for it yet.

A variance is permission to deviate from a specific rule — it doesn't mean the rule stops applying to everyone else.

An unventilated attic in a cold climate is a recipe for ice dams, mould, and a shorter roof life.

Code compliant just means a project cleared the legal floor — it isn't a claim that it was built the best way available.

Meeting the building code says a structure is safe to build. Meeting a zoning bylaw says you're allowed to build it there.

A staircase that feels "off" to walk usually has a rise-to-run ratio outside the range the code allows, and for exactly that reason.

Wood buildings up to 12 storeys are now explicitly addressed in the national code, formalizing what several provinces had already been approving case by case.

The code sets the rule; the authority having jurisdiction decides how it applies to your specific project.

They're often the same sheet of poly in a house wall, which is exactly why people assume they're the same requirement — they're not.

The 2020 editions of the National Building, Fire, Plumbing, and Energy codes are out — provinces will adopt them on their own timelines.

A basement room isn't a legal bedroom just because it has a bed in it — it needs a way out that doesn't depend on the stairs.

A roof engineered for a Vancouver Island bungalow would be dangerously under-built in the Rockies.

An older building doesn't have to meet today's code just because the code changed — but grandfathering has real limits.

Smoke alarm rules aren't just "one per floor" — placement relative to bedrooms and cooking appliances matters too.

Canada doesn't have one national building law — it has four model codes that provinces and territories adopt, and amend, on their own terms.

A footing depth that works in coastal BC would leave a deck heaving out of the ground in northern Manitoba.

Guards along a deck and guards along a stair follow different height rules for the same reason: the fall risk isn't the same.

A permit review checks a project against the building code — it isn't a stamp of approval on your design choices or your contractor's workmanship.