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What Are You Allowed to Build at 2315 15th Ave S, Seattle, WA, 98144?

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 Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. 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.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 2315 15th Ave S, Seattle, WA, 98144

Zoning Jurisdiction

SEATTLE

Parcel ID

5393600520

Property Type

Single Family

Zone

LR3

Year Built

1905

Lot Size

3,621 sq ft

Gross Building Area

1,723 sq ft

Gross Floor Area

2,790 sq ft

Estimated

Living Area

2,790 sq ft

Basement Area

0 sq ft

Impervious Surface

1,723 sq ft

Estimated
47.6%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 2315 15th Ave S, Seattle, WA, 98144?

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 Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. 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.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 2315 15th Ave S, Seattle, WA, 98144

Zoning Jurisdiction

SEATTLE

Parcel ID

5393600520

Property Type

Single Family

Zone

LR3

Year Built

1905

Lot Size

3,621 sq ft

Gross Building Area

1,723 sq ft

Gross Floor Area

2,790 sq ft

Estimated

Living Area

2,790 sq ft

Basement Area

0 sq ft

Impervious Surface

1,723 sq ft

Estimated
47.6%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.