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What Are You Allowed to Build at 690 Ash St, Lake Oswego, OR, 97034?

Backyard Cottage

(Detached ADU)

Probably Allowed

This property meets the requirements for a Detached ADU of up to 800 sq ft allowed By Right, or possibly more by Special Permit.

In Home Apartment

(Conversion or Addition)

Probably Allowed

This property meets the requirements for an Internal ADU of up to 800 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

Probably Allowed

This property likely meets the zoning requirements to build a Single-Family home up to 5,092 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Probably Allowed

We estimate you can expand this property by up to 5,092 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

LAKE OSWEGO

Parcel ID

21E10DB06500

Property Type

Single Family

Zone

R-7.5

Year Built

1970

Lot Size

13,652 sq ft

Gross Building Area

1,693 sq ft

Gross Floor Area

2,528 sq ft

Estimated

Living Area

2,528 sq ft

Basement Area

0 sq ft

Impervious Surface

1,693 sq ft

Estimated

12.4%of lot coverage

ADU rules for Lake Oswego, OR

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