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What Are You Allowed to Build at 925 Ne 23rd Ave, Portland, OR, 97232?

Backyard Cottage

(Detached ADU)

Might be Allowed

This property may qualify for a Detached ADU of up to 602 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed

This property may qualify for an Internal ADU of up to 602 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

Swimming Pool

Probably Allowed

This property likely meets the zoning requirements to build a swimming pool. 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

Might be Allowed

This property may meet the zoning requirements to build a Single-Family home up to 14,375 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Probably Allowed

We estimate you can expand this property by up to 13,449 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

R278465

Property Type

Residential

Zone

CM3

Year Built

2025

Lot Size

4,791 sq ft

Gross Building Area

1,048 sq ft

Gross Floor Area

925 sq ft

Estimated

Living Area

803 sq ft

Basement Area

0 sq ft

Impervious Surface

1,048 sq ft

Estimated

21.9%of lot coverage

ADU rules for Portland, OR

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