Permit Required? Sometimes Required
Typical Fee Range $150–$500 Required if 50% or more of the sheathing/decking is being replaced.
Fee Method Flat fee
Apply Online Apply at Department of Permits, Approvals and Inspections →

What's Required in Baltimore

  • Permit required if replacing 50% or more of roof sheathing or decking.
  • Required for replacement of any structural roof components.
  • Mandatory for all roof work in Historic Districts or on Landmarks.
  • Flashing must extend to exterior wall finish or water barrier.
  • Licensed contractor must be used for permitted work.
  • Water-resistant barrier (e.g., Tyvek) must be used.

How to Get a Roof Replacement Permit in Baltimore

1

Step 1: Evaluate Scope

Determine if sheathing replacement will exceed 50%.

2

Step 2: Check Landmarks

Verify if property is on the Landmarks List or in a Historic District.

3

Step 3: Online Filing

Apply through the Roofing and Siding category in the portal.

4

Step 4: Upload Docs

Provide scope of work and contractor license info.

5

Step 5: Inspection

Schedule a final building inspection to verify flashing and code compliance.

Frequently Asked Questions

No, unless you are replacing structural parts or 50%+ of the sheathing.
A permit is required for any roof work regardless of scope.
Yes, flashing must meet specific exterior drainage standards.