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What Are You Allowed to Build at 27609 Ne 146th Way, Duvall, WA, 98019?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 486 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed
This property may qualify for an Internal ADU of up to 1,500 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 2,206 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 486 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 27609 Ne 146th Way, Duvall, WA, 98019

Zoning Jurisdiction

DUVALL

Parcel ID

2619950680

Property Type

Single Family

Zone

R8

Year Built

2011

Lot Size

4,412 sq ft

Gross Building Area

1,412 sq ft

Gross Floor Area

1,720 sq ft

Estimated

Living Area

1,720 sq ft

Basement Area

0 sq ft

Impervious Surface

1,412 sq ft

Estimated
32.0%of lot coverage

ADU rules for Duvall, 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 27609 Ne 146th Way, Duvall, WA, 98019?

Backyard Cottage

(Detached ADU)

Might be Allowed
This property may qualify for a Detached ADU of up to 486 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

In Home Apartment

(Conversion or Addition)

Might be Allowed
This property may qualify for an Internal ADU of up to 1,500 sq ft allowed By Right, or possibly more by Special Permit, but there are some special considerations.

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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home up to 2,206 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 486 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 27609 Ne 146th Way, Duvall, WA, 98019

Zoning Jurisdiction

DUVALL

Parcel ID

2619950680

Property Type

Single Family

Zone

R8

Year Built

2011

Lot Size

4,412 sq ft

Gross Building Area

1,412 sq ft

Gross Floor Area

1,720 sq ft

Estimated

Living Area

1,720 sq ft

Basement Area

0 sq ft

Impervious Surface

1,412 sq ft

Estimated
32.0%of lot coverage

ADU rules for Duvall, WA

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

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