ADU Feasibility Wizard – Portland/Vancouver PDX Area
1. Select your jurisdiction:
Choose one
Multnomah County
Clackamas County
Washington County
Clark County
Gresham
Beaverton
Hillsboro
Vancouver WA
Lake Oswego
Tigard
Cornelius
Forest Grove
Oregon City
2. What is your lot size? (sq ft)
3. Is your lot already developed with a primary home?
Choose one
Yes
No
4. What type of ADU are you considering?
Choose one
Detached ADU
Attached ADU
Conversion / Basement / Garage
5. Do you have any steep slopes or environmental overlays?
Choose one
No
Possibly
Yes
6. Do you have access to the side or rear yard for construction?
Choose one
Yes
Tight but possible
No
Check Feasibility