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What Are You Allowed to Build at 1021 Ne 125th St Unit C, Seattle, WA, 98125?

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)

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 Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. 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.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 1021 Ne 125th St Unit C, Seattle, WA, 98125

Zoning Jurisdiction

SEATTLE

Parcel ID

2926049592

Property Type

Residential

Zone

LR3

Year Built

2007

Lot Size

1,076 sq ft

Gross Building Area

510 sq ft

Gross Floor Area

930 sq ft

Estimated

Living Area

930 sq ft

Basement Area

0 sq ft

Impervious Surface

510 sq ft

Estimated
47.4%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 1021 Ne 125th St Unit C, Seattle, WA, 98125?

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)

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 Not Allowed
This property likely does not meet the zoning requirements for a swimming pool. A variance or other zoning relief may be required. 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.

Multifamily

Home Addition

Probably Allowed
We estimate you can expand this property under current zoning rules. We weren't able to identify a specific size limit, but an addition may be possible horizontally, vertically, or both, depending on design and permitting.

Property facts

Streetview picture of 1021 Ne 125th St Unit C, Seattle, WA, 98125

Zoning Jurisdiction

SEATTLE

Parcel ID

2926049592

Property Type

Residential

Zone

LR3

Year Built

2007

Lot Size

1,076 sq ft

Gross Building Area

510 sq ft

Gross Floor Area

930 sq ft

Estimated

Living Area

930 sq ft

Basement Area

0 sq ft

Impervious Surface

510 sq ft

Estimated
47.4%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.