Permit Required? Sometimes Required
Typical Fee Range $50–$150 Small sheds are exempt; larger structures require a building permit fee.
Fee Method Size-based
Apply Online Apply at Building Division →

What's Required in St. Louis

  • Permit required if the shed exceeds 120 square feet.
  • Must be located in the rear yard and meet property line setbacks.
  • Maximum height is generally restricted to 15 feet.
  • Electrical permits are required separately if wiring is installed.
  • Cannot be used for living quarters or commercial business.
  • Shed must be anchored to prevent wind uplift.

How to Get a Shed Permit in St. Louis

1

Step 1: Verify Dimensions

Ensure the shed is under 120 sq ft to avoid a building permit.

2

Step 2: Check Setbacks

Confirm placement meets the minimum distance from neighbors (usually 3ft).

3

Step 3: Submit Application

File for an Accessory Structure permit online for larger sheds.

4

Step 4: Pay Fees

Submit the required fee based on the shed's square footage.

5

Step 5: Final Inspection

Required only for permitted structures over 120 sq ft.

Frequently Asked Questions

No, sheds 120 sq ft or less are exempt from building permits in St. Louis.
Generally no; most accessory structures must be in the rear yard.
No, but it must be on a level, stable surface and anchored.