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What Are You Allowed to Build at 11355 3rd Ave Ne, Seattle, WA, 98125?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 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 1,000 sq ft allowed By Right, or possibly more by Special Permit.

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

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 92,464 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 30,170 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 11355 3rd Ave Ne, Seattle, WA, 98125

Zoning Jurisdiction

SEATTLE

Parcel ID

2926049050

Property Type

Multi Family

Zone

LR2

Year Built

1987

Lot Size

84,057 sq ft

Gross Building Area

82,728 sq ft

Gross Floor Area

62,293 sq ft

Estimated

Living Area

41,859 sq ft

Basement Area

0 sq ft

Impervious Surface

41,859 sq ft

Estimated
49.8%of lot coverage

ADU rules for Seattle, WA

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 11355 3rd Ave Ne, Seattle, WA, 98125?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 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 1,000 sq ft allowed By Right, or possibly more by Special Permit.

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

Probably Allowed
This property likely meets the zoning requirements to build a Single-Family home up to 92,464 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 30,170 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 11355 3rd Ave Ne, Seattle, WA, 98125

Zoning Jurisdiction

SEATTLE

Parcel ID

2926049050

Property Type

Multi Family

Zone

LR2

Year Built

1987

Lot Size

84,057 sq ft

Gross Building Area

82,728 sq ft

Gross Floor Area

62,293 sq ft

Estimated

Living Area

41,859 sq ft

Basement Area

0 sq ft

Impervious Surface

41,859 sq ft

Estimated
49.8%of lot coverage

ADU rules for Seattle, WA

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

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