Permit Required? Sometimes Required
Typical Fee Range $0–$100 Small sheds are exempt; larger structures require a flat-rate accessory structure permit.
Fee Method Flat fee
Apply Online Apply at Department of Buildings →

What's Required in Washington

  • Permit required if the shed exceeds 50 square feet.
  • Maximum height usually limited to 10 feet for accessory structures.
  • Shed cannot be located in the front yard.
  • Must maintain a minimum setback (usually 3ft) from side and rear property lines.
  • Cannot be used for habitation or commercial activity.
  • Anchoring system required to prevent wind uplift.

How to Get a Shed Permit in Washington

1

Step 1: Check Size

Confirm if your shed is under 50 sq ft; if so, no building permit is needed.

2

Step 2: Zoning Check

Verify setbacks in your specific zone even if no building permit is required.

3

Step 3: Application

Apply via the Accessory Structure category in the DOB portal.

4

Step 4: Review

DOB reviews for size, placement, and safety.

5

Step 5: Placement

Install shed and ensure it is properly anchored to a stable base.

Frequently Asked Questions

No, residential sheds 50 sq ft or less are exempt from building permits in DC.
Yes, but this requires a separate electrical permit regardless of the shed's size.
No, accessory structures must be located in the rear or side yards in DC.