Permit Guides › Longueuil › Deck / Patio Construction
📍 Longueuil, Quebec

Deck / Patio Construction Permit
in Longueuil

Do you need a permit for a deck / patio construction in Longueuil? Get the full requirements, fees, timeline, and official contacts — all in one place.

Usually Required Typical fee: $100–$350 Processing: 2–5 weeks

Permit Requirements

  • ✓ Permit required for attached decks
  • ✓ Permit required for decks over 24" (600mm) above grade
  • ✓ Setback requirements apply — deck must be minimum distance from property line
  • ✓ Structural drawings may be required for larger or elevated decks
  • ✓ Detached ground-level patios under certain size thresholds are often exempt
✅ Exemptions
Ground-level patios and small detached decks under 200 sq ft may be exempt depending on municipality.

Required Inspections

1
Footing/post inspection
2
Framing inspection
3
Final inspection

How to Apply in Longueuil

1
Check if you need a permit
Review the requirements above. For a deck / patio construction, a permit is usually required.
2
Prepare your documents
Gather drawings, site plans, and specifications. For larger projects, you may need drawings stamped by a licensed engineer or architect.
3
Submit to Urbanisme et développement
Apply in person or by phone at 4250 Chemin de la Savane, Longueuil, QC J3Y 9G4. Call 450-463-7000 to confirm requirements before visiting.
4
Wait for approval
Longueuil typically processes deck / patio construction permits in 2–5 weeks. You will receive a permit number when approved.
5
Post permit & book inspections
Post your permit on site. Book required inspections at each stage — do not cover work before it is inspected.

FAQs — Deck / Patio Construction Permit in Longueuil

How much does a deck / patio construction permit cost in Longueuil?
Deck / Patio Construction permit fees in Longueuil typically range from $100–$350. Fees are usually based on the estimated project value. Contact Urbanisme et développement at 450-463-7000 to get an exact quote for your project.
Can I do my own deck / patio construction without a contractor?
Homeowners can often pull their own permits for work on their primary residence. However, electrical and plumbing work typically requires a licensed trade. Check with Urbanisme et développement for specific rules.
What happens if I skip the permit?
Unpermitted work can result in fines, orders to undo completed work, problems with home insurance claims, and difficulty selling your home. It is always worth the time to verify permit requirements.
Official Permit Office
Urbanisme et développement
Processing Time
2–6 weeks
Visit Permit Office ↗
💰 Also see: Deck / Patio Construction costs in Longueuil
Get a free itemized budget estimate for your project before you apply for your permit.
View Cost Guide →
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