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What Are You Allowed to Build at 521 Sw 4th St, Gresham, OR, 97080?

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 Allowed
This property meets the requirements for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit.

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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 5,489 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 2,940 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 521 Sw 4th St, Gresham, OR, 97080

Zoning Jurisdiction

GRESHAM

Parcel ID

R224998

Property Type

Single Family

Zone

LDR-7

Year Built

1974

Lot Size

7,840 sq ft

Gross Building Area

3,138 sq ft

Gross Floor Area

2,548 sq ft

Estimated

Living Area

1,959 sq ft

Basement Area

0 sq ft

Impervious Surface

3,138 sq ft

Estimated
40.0%of lot coverage

ADU rules for Gresham, 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 521 Sw 4th St, Gresham, OR, 97080?

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 Allowed
This property meets the requirements for an Internal ADU of up to 900 sq ft allowed By Right, or possibly more by Special Permit.

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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 5,489 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 2,940 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 521 Sw 4th St, Gresham, OR, 97080

Zoning Jurisdiction

GRESHAM

Parcel ID

R224998

Property Type

Single Family

Zone

LDR-7

Year Built

1974

Lot Size

7,840 sq ft

Gross Building Area

3,138 sq ft

Gross Floor Area

2,548 sq ft

Estimated

Living Area

1,959 sq ft

Basement Area

0 sq ft

Impervious Surface

3,138 sq ft

Estimated
40.0%of lot coverage

ADU rules for Gresham, OR

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

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