Accessory Dwelling Units (ADU)
Accessory Dwelling Units, commonly known
as Mother-In-Law apartments, are small,
second units to existing residences. These
commonly manifest as an apartment over a
garage or small building in a backyard. These
units can be occupied by a family member or
rented out for extra income. These small
units are very appealing now that the City of
Portland has temporarily waived
approximately $7,000 to $12,000 of their
fees to build one.

According to the City of Portland Zoning
Code, all residential lots are allowed one
ADU. The ADU is subject to size and height
requirements relative to the existing house.

Below are more resources about ADUs. As
always, contact us for any specific questions
for your future ADU.

Resources:
Drawings on Experience: A Place for Mom
Brain - Pencil - Building: "It's Official! No
SDCs for ADUs!"
Project Page: Brown Garage ADU
Garage to House
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