Permit Required? Sometimes Required
Typical Fee Range $50–$145 Building permit required for accessory structures over 120 sq ft.
Fee Method Flat fee
Apply Online Apply at Department of Permits, Approvals and Inspections →

What's Required in Baltimore

  • Building permit required for sheds greater than 120 square feet.
  • Site plan is required with all applications regardless of structure size.
  • Must be located in the rear yard behind the rear foundation wall line.
  • Must be located at least 2.5 feet from side and rear property lines.
  • Minimum setback of 15 feet from the centerline of an alley.
  • Maximum height limitation is 15 feet.

How to Get a Shed Permit in Baltimore

1

Step 1: Site Plan Preparation

Create a plan showing the structure relative to property lines and foundation.

2

Step 2: Documentation

Complete the mandatory Accessory Structure Letter.

3

Step 3: Portal Submission

Submit your application and docs online via the PAI portal.

4

Step 4: Contractor Verification

A MHIC Licensed Contractor must be identified on the application.

5

Step 5: Fee Payment

Fees are calculated and paid through the online dashboard.

Frequently Asked Questions

No, sheds must be behind the rear foundation line unless a variance is obtained.
Structures larger than 400 square feet require frost-line footings.
If under 120 sq ft, no building permit is needed unless in a historic district.