Washington County, OR shed and backyard pod permit exemption

Washington County exempts non-habitable one-story detached accessory structures of up to 200 sq ft of floor area and 15 ft in height. The county FAQ states that a habitable structure needs a permit. The size and height limits match Portland's.

Washington County quick facts

Size limit
200 sq ft or less
Measured as
Floor area.
Height
15 ft or less, measured from the grade plane to the average height of the highest roof.
Electrical power
Not listed.
Use
“If it is habitable, it needs a permit.”
Source
Washington County Land Use & Transportation, Building Services
Checked
Nov 5, 2026

Official text

“Non-habitable one-story detached accessory structures, provided that the floor area does not exceed 200 square feet (18.58 m2) and does not exceed a height of 15 feet”

Source: Washington County Land Use & Transportation, Building Services.


Other conditions


Pod sizes compared with the Washington County size limit

33 of 36 pod sizes are within the 200 sq ft limit by floor area. The other 3 are over the limit.

The building department for the address decides whether a permit is required. This site repeats published rules and compares them with published pod sizes. Zoning rules, HOA rules and setbacks can also apply.