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What Are You Allowed to Build at 15421 Main St E, Sumner, WA, 98390?
Backyard Cottage
(Detached ADU)
This property may qualify for a Detached ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.
In Home Apartment
(Conversion or Addition)
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
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
This property may meet the zoning requirements to build a Single-Family home. Additional factors may affect feasibility.
Multi Family
Home Addition
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
SUMNER
Parcel ID
0520193044
Property Type
OFF INSURANCE REAL ESTATE FINANCE
Zone
GC
Year Built
1950
Lot Size
7,196 sq ft
Gross Building Area
2,464 sq ft
Gross Floor Area
2,011 sq ft
Living Area
1,559 sq ft
Basement Area
0 sq ft
Impervious Surface
1,559 sq ft
21.7%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 15421 Main St E, Sumner, WA, 98390?
Backyard Cottage
(Detached ADU)
This property may qualify for a Detached ADU of up to 1,000 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.
In Home Apartment
(Conversion or Addition)
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
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
This property may meet the zoning requirements to build a Single-Family home. Additional factors may affect feasibility.
Multi Family
Home Addition
The property may meet the zoning requirements to build a Home Addition of zoning-counted floor area. Additional factors may affect feasibility.
Property facts
Zoning Jurisdiction
SUMNER
Parcel ID
0520193044
Property Type
OFF INSURANCE REAL ESTATE FINANCE
Zone
GC
Year Built
1950
Lot Size
7,196 sq ft
Gross Building Area
2,464 sq ft
Gross Floor Area
2,011 sq ft
Living Area
1,559 sq ft
Basement Area
0 sq ft
Impervious Surface
1,559 sq ft
21.7%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.