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As a husband-and-wife team we’ve been in and around the home business for over thirty years.  And because of that, we can’t possibly convey all of that experience in a few mouse clicks.  Reach out.  Connect.  Come see us at one of the home shows.  We are quietly one of the fastest growing renovation companies in Calgary and look forward to hearing about your project large or small. Just FYI, EVERY contractors bread and butter are smaller projects so don’t hesitate to reach out.

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Basement Development Permit Calgary: What You Need to Know

Basement Renovations

Most Finished Basements Require a Permit

Basements are among the most common permit issues in Calgary real estate. Unpermitted basement developments are discovered at resale — and they can kill deals, force demolition, or require expensive retrofits.

What Requires a Permit for a Calgary Basement?

Building Permit Required

  • Framing walls (adding any new walls)
  • Adding a bedroom (must meet egress requirements)
  • Installing drywall in a previously unfinished basement
  • Adding a bathroom (rough-in + finish)
  • Secondary suite development
  • Home theatre (significant structural or electrical)

Electrical Permit Required (Separate)

  • Any new circuits
  • Adding outlets beyond existing
  • Panel upgrades
  • Heated floors (new circuits)

Plumbing Permit Required (Separate)

  • Any new drain or supply lines
  • Adding a bathroom, wet bar, laundry

Gas Permit Required

  • Adding a gas fireplace
  • Relocating the furnace

What Doesn’t Require a Permit

  • Painting
  • Laying flooring on an existing subfloor
  • Replacing fixtures in the same location (if plumbing isn’t moved)
  • Furniture, shelving, non-structural elements

Calgary Permit Costs for Basement Development

Permit Type Typical Fee
Building permit (basement development) $600–$1,800
Electrical permit $175–$400
Plumbing permit $175–$350
Gas permit $175–$350
Development permit (secondary suite) $650–$1,500

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⚠ Estimate Disclaimer: These are only ROUGH estimates that can vary wildly. Do not take these numbers as gospel. Having a defined scope of work and exact selections will give you clarity.

What Happens at Inspection?

Calgary building inspectors check:

  • Egress window sizing and location (bedrooms)
  • Ceiling height (minimum 6’11” in habitable rooms)
  • Smoke alarm placement and interconnection
  • CO detector (within 1m of sleeping area)
  • Fire separation (secondary suites)
  • Electrical rough-in (before walls are closed)
  • Plumbing rough-in (before concrete is poured back)

What Happens If You Skip the Permit?

  • Stop-work order if discovered during construction
  • At resale: buyer’s realtor or home inspector may flag it — deal can fall through or you’re forced to retrofit
  • Insurance issues: claim denied for basement fire if unpermitted electrical caused it
  • Fines and mandatory demolition to expose work for retroactive inspection

Our Process

Olympic City pulls all required permits and books all inspections on your behalf. It’s part of every project — not an add-on. Permits protect your investment.

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Contact Olympic City for a free consultation. Serving Calgary, Priddis, Okotoks & area.