Permit Required? Sometimes Required
Typical Fee Range $125–$350 Exempt if 200 sq ft or less and detached; $125 minimum fee for permitted work (2026).
Fee Method Valuation-based

What's Required in Portland

  • No permit required for detached accessory structures up to 200 square feet.
  • Must be one-story and not used for human habitation or living space.
  • Must maintain 3–5 foot setbacks from property lines and 6 feet from the primary house.
  • Any shed with electrical wiring, plumbing, or mechanical work requires a permit regardless of size.
  • Maximum height is 15 feet from grade to the highest point for exempt structures.
  • Structures over 200 sq ft must meet Oregon Residential Specialty Code standards.

How to Get a Shed Permit in Portland

1

Step 1: Size Verification

Measure the footprint to determine if the 200 sq ft exemption applies.

2

Step 2: Check Zoning Map

Verify setbacks and impervious area limits for your specific residential zone.

3

Step 3: DevHub Submission

Submit a 'Building' permit request on the Development Hub PDX portal if over threshold.

4

Step 4: Fee Payment

Pay the valuation-based permit and plan check fees ($125 minimum).

5

Step 5: Inspection

Schedule a final structural inspection once the shed is anchored.

Frequently Asked Questions

No, a 120 sq ft shed is under the 200 sq ft exemption threshold.
Typically 15 feet max; structures taller than 10 feet may have increased setback rules.
No, Portland zoning restricts accessory buildings to the side and rear yards.