The Deck Professor

Every number here is a working estimate to check with your building authority. Whoever prints this page takes responsibility for what is in it.

Lessons / Site and permits

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Which permit this deck needs

Move this deck around the lot and up and down, then apply for what it needs
GroundShadowHouse wallDoorBuilding permit lineDevelopment permit lineEngineer line for the foundationPier blockDeckBuilding permit lineDevelopment permit lineEngineer line for the foundationDeck heightDeck 18 inBuilding permit lineDevelopment permit lineEngineer line for the foundationStreetStreetLotFront yardBack yardHouse wallHouseDeckMore than 600 mm (23 9/16 in): building permit1.2 m (47 3/16 in) or higher: development permitMore than 1.8 m (5 ft 10 13/16 in): engineer, foundation
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A low deck in the front yard built with no development permit.

Every number here is a working estimate. Check it with your building authority.Turn JavaScript on to work the lesson. The drawing shows how it starts.

The rule this lesson teaches

A building permit starts above 600 mm (23 9/16 in); a development permit at 1.2 m (47 3/16 in) or higher, or at any height in a front or flanking side yard.

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