Permit Required? Required
Typical Fee Range $100–$100 Milwaukee charges a standard flat fee for decks.
Fee Method Flat fee
Apply Online Apply at Department of Neighborhood Services →

What's Required in Milwaukee

  • Building permit required for all residential decks.
  • Flat fee of $100 applies per deck.
  • Structural plans showing footings and ledger attachments.
  • Must meet all residential setback requirements.
  • Guardrails required for decks over 30 inches above grade.
  • Baluster spacing must not allow a 4-inch sphere to pass.

How to Get a Deck Permit in Milwaukee

1

Step 1: Prepare Plans

Draft structural drawings including loads and materials.

2

Step 2: Online Filing

Apply for a building permit via the Milwaukee DNS portal.

3

Step 3: Pay Flat Fee

Pay the $100 deck permit fee.

4

Step 4: Installation

Build according to approved setbacks and safety codes.

5

Step 5: Final Inspection

Schedule an inspection for structural sign-off.

Frequently Asked Questions

The permit fee for a deck is a flat $100 each.
Yes, Milwaukee requires a permit for residential deck construction.
Erosion control fees of $205 may apply if the lot is disturbed.