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What Are You Allowed to Build at 2520 Ne Alberta St Unit 4, Portland, OR, 97211?
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 598 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 1,018 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multifamily
Home Addition
Probably Allowed
We estimate you can expand this property by up to 221 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.
Property facts
Zoning Jurisdiction
PORTLAND
Parcel ID
R598833
Property Type
Residential
Zone
CM2
Year Built
1995
Lot Size
407 sq ft
Gross Building Area
82 sq ft
Gross Floor Area
797 sq ft
Living Area
797 sq ft
Basement Area
0 sq ft
Impervious Surface
82 sq ft
20.1%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 2520 Ne Alberta St Unit 4, Portland, OR, 97211?
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 598 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 1,018 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.
Multifamily
Home Addition
Probably Allowed
We estimate you can expand this property by up to 221 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.
Property facts
Zoning Jurisdiction
PORTLAND
Parcel ID
R598833
Property Type
Residential
Zone
CM2
Year Built
1995
Lot Size
407 sq ft
Gross Building Area
82 sq ft
Gross Floor Area
797 sq ft
Living Area
797 sq ft
Basement Area
0 sq ft
Impervious Surface
82 sq ft
20.1%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.