Want to explore more about your property?

What Are You Allowed to Build at 1840 H Street Rd, Unincorporated (Whatcom), WA, 98230?

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 Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

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. Additional factors may affect feasibility.

Multifamily

Home Addition

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

Property facts

Streetview picture of 1840 H Street Rd, Unincorporated (Whatcom), WA, 98230

Zoning Jurisdiction

Whatcom County

Parcel ID

158140

Property Type

OSAG RANCHES

Zone

R

Year Built

1999

Lot Size

208,652 sq ft

Gross Building Area

2,584 sq ft

Gross Floor Area

4,854 sq ft

Estimated

Living Area

4,854 sq ft

Basement Area

0 sq ft

Impervious Surface

4,854 sq ft

Estimated
2.3%of lot coverage

ADU rules for Unincorporated Whatcom, 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 1840 H Street Rd, Unincorporated (Whatcom), WA, 98230?

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 Not Allowed
This lot does not meet the requirements for an Internal ADU. A variance may be requested through your local zoning authority

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. Additional factors may affect feasibility.

Multifamily

Home Addition

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

Property facts

Streetview picture of 1840 H Street Rd, Unincorporated (Whatcom), WA, 98230

Zoning Jurisdiction

Whatcom County

Parcel ID

158140

Property Type

OSAG RANCHES

Zone

R

Year Built

1999

Lot Size

208,652 sq ft

Gross Building Area

2,584 sq ft

Gross Floor Area

4,854 sq ft

Estimated

Living Area

4,854 sq ft

Basement Area

0 sq ft

Impervious Surface

4,854 sq ft

Estimated
2.3%of lot coverage

ADU rules for Unincorporated Whatcom, WA

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

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