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What Are You Allowed to Build at 419 W Howe St, Seattle, WA, 98119?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 990 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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

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 2,500 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 990 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 419 W Howe St, Seattle, WA, 98119

Zoning Jurisdiction

SEATTLE

Parcel ID

4232900330

Property Type

Single Family

Zone

NR

Year Built

1916

Lot Size

2,399 sq ft

Gross Building Area

1,006 sq ft

Gross Floor Area

1,510 sq ft

Estimated

Living Area

1,510 sq ft

Basement Area

0 sq ft

Impervious Surface

1,006 sq ft

Estimated
41.9%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 419 W Howe St, Seattle, WA, 98119?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 990 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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

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 2,500 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 990 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 419 W Howe St, Seattle, WA, 98119

Zoning Jurisdiction

SEATTLE

Parcel ID

4232900330

Property Type

Single Family

Zone

NR

Year Built

1916

Lot Size

2,399 sq ft

Gross Building Area

1,006 sq ft

Gross Floor Area

1,510 sq ft

Estimated

Living Area

1,510 sq ft

Basement Area

0 sq ft

Impervious Surface

1,006 sq ft

Estimated
41.9%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.