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What Are You Allowed to Build at 3100 W Ruffner St, Seattle, WA, 98199?

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)

Might be Allowed
This property may qualify for an Internal ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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 2,560 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 966 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 3100 W Ruffner St, Seattle, WA, 98199

Zoning Jurisdiction

SEATTLE

Parcel ID

0582000225

Property Type

Single Family

Zone

NR

Year Built

1951

Lot Size

3,199 sq ft

Gross Building Area

1,758 sq ft

Gross Floor Area

1,594 sq ft

Estimated

Living Area

1,430 sq ft

Basement Area

0 sq ft

Impervious Surface

1,758 sq ft

Estimated
54.9%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 3100 W Ruffner St, Seattle, WA, 98199?

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)

Might be Allowed
This property may qualify for an Internal ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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 2,560 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 966 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 3100 W Ruffner St, Seattle, WA, 98199

Zoning Jurisdiction

SEATTLE

Parcel ID

0582000225

Property Type

Single Family

Zone

NR

Year Built

1951

Lot Size

3,199 sq ft

Gross Building Area

1,758 sq ft

Gross Floor Area

1,594 sq ft

Estimated

Living Area

1,430 sq ft

Basement Area

0 sq ft

Impervious Surface

1,758 sq ft

Estimated
54.9%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.