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What Are You Allowed to Build at 10121 Ne 186th St, Bothell, WA, 98011?

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 1,200 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.

Multi Family

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 10121 Ne 186th St, Bothell, WA, 98011

Zoning Jurisdiction

BOTHELL

Parcel ID

9568800060

Property Type

Two Family

Zone

DT

Year Built

1965

Lot Size

5,170 sq ft

Gross Building Area

1,880 sq ft

Gross Floor Area

2,487 sq ft

Estimated

Living Area

2,487 sq ft

Basement Area

0 sq ft

Impervious Surface

2,487 sq ft

Estimated
48.1%of lot coverage

ADU rules for Bothell, 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 10121 Ne 186th St, Bothell, WA, 98011?

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 1,200 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.

Multi Family

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 10121 Ne 186th St, Bothell, WA, 98011

Zoning Jurisdiction

BOTHELL

Parcel ID

9568800060

Property Type

Two Family

Zone

DT

Year Built

1965

Lot Size

5,170 sq ft

Gross Building Area

1,880 sq ft

Gross Floor Area

2,487 sq ft

Estimated

Living Area

2,487 sq ft

Basement Area

0 sq ft

Impervious Surface

2,487 sq ft

Estimated
48.1%of lot coverage

ADU rules for Bothell, WA

Based on public data and AI. Check with a pro. Read More

© 2026 TheBuilder AI Inc. d/b/aFutureLot. All rights reserved.