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What Are You Allowed to Build at 107 S Arthur St, Portland, OR, 97201?

Backyard Cottage

(Detached ADU)

Might be Allowed

This property may qualify for a Detached ADU of up to 645 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 645 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 4,356 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Probably Allowed

We estimate you can expand this property by up to 2,774 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

R128779

Property Type

Residential

Zone

CM2

Year Built

1890

Lot Size

1,742 sq ft

Gross Building Area

2,303 sq ft

Gross Floor Area

1,581 sq ft

Estimated

Living Area

860 sq ft

Basement Area

0 sq ft

Impervious Surface

860 sq ft

Estimated

49.4%of lot coverage

ADU rules for Portland, OR

Based on public data and AI. Check with a pro. Read More