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What Are You Allowed to Build at 300 Se 148th 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)
Probably Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority
Swimming Pool
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. Based on applicable zoning limits, the estimated buildable area for a pool. 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 54,014 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 37,049 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
PORTLAND
Parcel ID
R109801
Property Type
Commercial
Zone
RM3
Year Built
2010
Lot Size
27,007 sq ft
Gross Building Area
23,664 sq ft
Gross Floor Area
16,965 sq ft
Living Area
10,267 sq ft
Basement Area
0 sq ft
Impervious Surface
10,267 sq ft
38.0%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 300 Se 148th 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)
Probably Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority
Swimming Pool
This property may meet the zoning requirements to build a swimming pool. Some factors may affect feasibility. Based on applicable zoning limits, the estimated buildable area for a pool. 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 54,014 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 37,049 sq ft of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
PORTLAND
Parcel ID
R109801
Property Type
Commercial
Zone
RM3
Year Built
2010
Lot Size
27,007 sq ft
Gross Building Area
23,664 sq ft
Gross Floor Area
16,965 sq ft
Living Area
10,267 sq ft
Basement Area
0 sq ft
Impervious Surface
10,267 sq ft
38.0%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.