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What Are You Allowed to Build at 58231 Old Portland Rd, St Helens, OR, 97051?

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

Might be Allowed
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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 58231 Old Portland Rd, St Helens, OR, 97051

Zoning Jurisdiction

ST HELENS

Parcel ID

13213

Property Type

Other

Zone

HI

Year Built

1988

Lot Size

900,996 sq ft

Gross Building Area

93,494 sq ft

Gross Floor Area

93,494 sq ft

Estimated

Living Area

93,494 sq ft

Basement Area

0 sq ft

Impervious Surface

93,494 sq ft

Estimated
10.4%of lot coverage

ADU rules for St Helens, 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 58231 Old Portland Rd, St Helens, OR, 97051?

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

Might be Allowed
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 Not Allowed
This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 58231 Old Portland Rd, St Helens, OR, 97051

Zoning Jurisdiction

ST HELENS

Parcel ID

13213

Property Type

Other

Zone

HI

Year Built

1988

Lot Size

900,996 sq ft

Gross Building Area

93,494 sq ft

Gross Floor Area

93,494 sq ft

Estimated

Living Area

93,494 sq ft

Basement Area

0 sq ft

Impervious Surface

93,494 sq ft

Estimated
10.4%of lot coverage

ADU rules for St Helens, OR

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

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