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What Are You Allowed to Build at 4649 Sunnyside Ave N, Seattle, WA, 98103?

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

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 109,735 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 160,466 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 4649 Sunnyside Ave N, Seattle, WA, 98103

Zoning Jurisdiction

SEATTLE

Parcel ID

0825049102

Property Type

Governmental Service

Zone

NR

Year Built

1906

Lot Size

182,890 sq ft

Gross Building Area

87,262 sq ft

Gross Floor Area

59,003 sq ft

Estimated

Living Area

30,744 sq ft

Basement Area

0 sq ft

Impervious Surface

30,744 sq ft

Estimated
16.8%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 4649 Sunnyside Ave N, Seattle, WA, 98103?

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

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 109,735 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 160,466 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 4649 Sunnyside Ave N, Seattle, WA, 98103

Zoning Jurisdiction

SEATTLE

Parcel ID

0825049102

Property Type

Governmental Service

Zone

NR

Year Built

1906

Lot Size

182,890 sq ft

Gross Building Area

87,262 sq ft

Gross Floor Area

59,003 sq ft

Estimated

Living Area

30,744 sq ft

Basement Area

0 sq ft

Impervious Surface

30,744 sq ft

Estimated
16.8%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.