Rental Income, Promote Community
Multi-Generational Living on Site,
Increase Your Home's Property Value
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ADU's are allowed in almost all jurisdictions. Every City or County has its specific requirements - Portland's highlights are below. See our Resources page for all jurisdictions:
- In Portland - ADU's allowed on all single dwelling residential lots (R2.5-R20)
- Other cities/counties allow ADU's on many residential lots
- ADU's created by converting an existing space (garage, basement) or constructing new unit.
- ADU must resemble main house - roof pitch, siding, windows must all be similar
- Maximum 800 sf or 75% of house - whichever is less
- Maximum 18' in height (measured to midpoint of sloped roof - can be above garage if designed properly)
- Cannot be used as business with either employees or customers (counseling, hair cutting, etc.
VIEW OF PRIVATE ADU PATIO
40' x 100' lot with existing rental house - ADU added to create second rental/living unit. Separate entires, yards, etc. for each unit! 70% increase in rent from property!
