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What Are You Allowed to Build at 239 S Hamilton St, Portland, OR, 97239?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 800 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 800 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 17,424 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 15,724 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

Streetview picture of 239 S Hamilton St, Portland, OR, 97239

Zoning Jurisdiction

PORTLAND

Parcel ID

R247541

Property Type

Residential

Zone

CM2

Year Built

1907

Lot Size

6,969 sq ft

Gross Building Area

1,871 sq ft

Gross Floor Area

1,699 sq ft

Estimated

Living Area

1,528 sq ft

Basement Area

0 sq ft

Impervious Surface

1,871 sq ft

Estimated
26.8%of lot coverage

ADU rules for Portland, OR

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 239 S Hamilton St, Portland, OR, 97239?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 800 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 800 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 17,424 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 15,724 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

Streetview picture of 239 S Hamilton St, Portland, OR, 97239

Zoning Jurisdiction

PORTLAND

Parcel ID

R247541

Property Type

Residential

Zone

CM2

Year Built

1907

Lot Size

6,969 sq ft

Gross Building Area

1,871 sq ft

Gross Floor Area

1,699 sq ft

Estimated

Living Area

1,528 sq ft

Basement Area

0 sq ft

Impervious Surface

1,871 sq ft

Estimated
26.8%of lot coverage

ADU rules for Portland, OR

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

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.