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What Are You Allowed to Build at 2511 E Union St, Seattle, WA, 98122?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 654 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 2,344 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 654 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
Zoning Jurisdiction
SEATTLE
Parcel ID
7217400375
Property Type
Residential
Zone
LR1
Year Built
1900
Lot Size
2,343 sq ft
Gross Building Area
781 sq ft
Gross Floor Area
1,690 sq ft
Living Area
1,690 sq ft
Basement Area
0 sq ft
Impervious Surface
781 sq ft
33.3%of lot coverage

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 2511 E Union St, Seattle, WA, 98122?
Backyard Cottage
(Detached ADU)
Probably Allowed
This property meets the requirements for a Detached ADU of up to 654 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 2,344 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 654 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
Zoning Jurisdiction
SEATTLE
Parcel ID
7217400375
Property Type
Residential
Zone
LR1
Year Built
1900
Lot Size
2,343 sq ft
Gross Building Area
781 sq ft
Gross Floor Area
1,690 sq ft
Living Area
1,690 sq ft
Basement Area
0 sq ft
Impervious Surface
781 sq ft
33.3%of lot coverage

Based on public data and AI. Check with a pro. Read More
© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.