BuildRules/Newmarket/Deck/Checklist

Newmarket, Ontario / Project checklist

Newmarket deck permit checklist

Use a project-specific deck permit checklist for Newmarket, Ontario: documents, next steps, source review date and official references.

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Focused project answerLast verified Oct 2, 2026
Use this before you submit

4 items to prepare for this project.

This page is the submission checklist. For permit thresholds, size rules, zoning and the full project decision, use the main guide.

Open the main Newmarket deck rules

Project template

Your preparation checklist

Use it as a working list. The final submission still needs to match your actual scope and the City’s current requirements.

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Preparation checklist · Reviewed 2026-10-02

What to do next

  1. Check attachment
  2. Measure deck area and height
  3. Confirm setbacks with zoning
  4. Apply if any permit trigger applies

Official sources behind this page

Attached deckPermit required

Newmarket states that a deck attached to a building requires a building permit.

Official sourceTown of NewmarketBuilding and Renovating · Permit triggers for decks, sheds, basements, entrances and ARUs
Verified2026-10-02Open proof
Deck areaPermit required over 10 m²

A deck greater than 10 square metres requires a building permit.

Official sourceTown of NewmarketBuilding and Renovating · Permit triggers for decks, sheds, basements, entrances and ARUs
Verified2026-10-02Open proof
Deck heightPermit required at 600 mm above grade

Newmarket includes decks 600 mm above grade in its permit-required list.

Official sourceTown of NewmarketBuilding and Renovating · Permit triggers for decks, sheds, basements, entrances and ARUs
Verified2026-10-02Open proof

Need the full project answer?

The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.

Open the deck guide