Permit Required? Required
Typical Fee Range $100–$300 Standard rate is $100 for small jobs; increases with construction value.
Fee Method Valuation-based
Apply Online Apply at Buildings, Safety Engineering, and Environmental Department →

What's Required in Detroit

  • Building permit mandatory for any deck attached to the house.
  • Structural drawings showing footings, joist spacing, and framing.
  • Footings must reach the 42-inch frost line for stability.
  • Handrails required for all decks with 3 or more steps.
  • Guardrails must be at least 36 inches high for raised decks.
  • Ledger boards must be through-bolted to the house rim joist.

When a Deck Needs a Permit in Detroit

Whether a deck needs a building permit in Detroit usually comes down to how high and how big it is. Low, ground-level platforms are often exempt, while raised decks need a permit — many cities draw the line at decks more than about 30 inches above grade (where guardrails and footings come into play), but Detroit’s exact threshold is set by the Buildings, Safety Engineering, and Environmental Department. Attached decks almost always require a permit because they tie into the house’s structure, and even a freestanding deck usually needs one once it passes the size or height cutoff. Check the requirements above before you build, and note that zoning setbacks from property lines apply regardless.

Do You Need a Permit to Repair or Replace a Deck in Detroit

It depends on how much you’re changing. Swapping worn decking boards or railing on the same layout is usually treated as maintenance and often doesn’t require a permit in Detroit. But replacing the structural framing (joists, beams, posts, or footings), rebuilding the deck, enlarging it, or changing its height generally does — at that point it’s regulated like new construction. When in doubt, describe the scope to the Buildings, Safety Engineering, and Environmental Department before starting; the requirements above outline what Detroit expects.

How to Get a Deck Permit in Detroit

1

Step 1: Structural Plans

Prepare detailed drawings of the deck framing and foundation.

2

Step 2: Submit Portal

Upload plans to the eLAPS online system for review.

3

Step 3: Plan Review

BSEED reviewers check for structural load and zoning setbacks.

4

Step 4: Permit Issuance

Pay the calculated fees to activate the building permit.

5

Step 5: Inspections

Requires footing, framing, and final structural checks.

Frequently Asked Questions

If under 200 sq ft and detached from the house, it may be exempt.
Detroit requires a 42-inch depth for frost protection.
Yes, as an owner-occupant of a 1- or 2-family home.
Often yes, depending on size and height. Detroit typically exempts low ground-level decks but requires a permit once a deck is raised (commonly more than about 30 inches above grade) or attached to the house. Confirm the exact threshold and setback rules with the Buildings, Safety Engineering, and Environmental Department.
Usually not — swapping decking boards or railing on the same structure is generally considered maintenance in Detroit. Replacing the framing (joists, beams, footings), rebuilding, or enlarging the deck typically does require a permit. Check the scope with the Buildings, Safety Engineering, and Environmental Department.