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What Are You Allowed to Build at 1107 Ne 143rd St, Unincorporated (Clark), WA, 98685?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,500 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 1,500 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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home. Additional factors may affect feasibility.

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 1107 Ne 143rd St, Unincorporated (Clark), WA, 98685

Zoning Jurisdiction

Clark County

Parcel ID

611734000

Property Type

Mobile Home

Zone

R-18

Year Built

2007

Lot Size

509,551 sq ft

Gross Building Area

127,894 sq ft

Gross Floor Area

64,466 sq ft

Estimated

Living Area

1,038 sq ft

Basement Area

0 sq ft

Impervious Surface

127,894 sq ft

Estimated
25.1%of lot coverage

ADU rules for Unincorporated Clark, 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 1107 Ne 143rd St, Unincorporated (Clark), WA, 98685?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,500 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 1,500 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

Might be Allowed
This property may meet the zoning requirements to build a Single-Family home. Additional factors may affect feasibility.

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 1107 Ne 143rd St, Unincorporated (Clark), WA, 98685

Zoning Jurisdiction

Clark County

Parcel ID

611734000

Property Type

Mobile Home

Zone

R-18

Year Built

2007

Lot Size

509,551 sq ft

Gross Building Area

127,894 sq ft

Gross Floor Area

64,466 sq ft

Estimated

Living Area

1,038 sq ft

Basement Area

0 sq ft

Impervious Surface

127,894 sq ft

Estimated
25.1%of lot coverage

ADU rules for Unincorporated Clark, WA

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

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