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What Are You Allowed to Build at 2001 Se 171st Ave, Portland, OR, 97233?
Backyard Cottage
(Detached ADU)
Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority
In Home Apartment
(Conversion or Addition)
This property may qualify for an Internal ADU of up to 367 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.
Swimming Pool
Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 729 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 240 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
PORTLAND
Parcel ID
R659660
Property Type
Residential
Zone
RM1
Year Built
2014
Lot Size
729 sq ft
Gross Building Area
489 sq ft
Gross Floor Area
489 sq ft
Living Area
489 sq ft
Basement Area
0 sq ft
Impervious Surface
489 sq ft
67.0%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.
What Are You Allowed to Build at 2001 Se 171st Ave, Portland, OR, 97233?
Backyard Cottage
(Detached ADU)
Probably Not Allowed
This lot does not meet the requirements for a Detached ADU. A variance may be requested through your local zoning authority
In Home Apartment
(Conversion or Addition)
This property may qualify for an Internal ADU of up to 367 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.
Swimming Pool
Probably Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. Final feasibility may depend on site-specific conditions and local interpretation.
Single Family
Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 729 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multifamily
Home Addition
The property may meet the zoning requirements to build a Home Addition up to 240 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
PORTLAND
Parcel ID
R659660
Property Type
Residential
Zone
RM1
Year Built
2014
Lot Size
729 sq ft
Gross Building Area
489 sq ft
Gross Floor Area
489 sq ft
Living Area
489 sq ft
Basement Area
0 sq ft
Impervious Surface
489 sq ft
67.0%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.