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What Are You Allowed to Build at 2321 D St, Bellingham, WA, 98225?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 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 1,000 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 up to 5,500 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 5,500 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 2321 D St, Bellingham, WA, 98225

Zoning Jurisdiction

BELLINGHAM

Parcel ID

75137

Property Type

Single Family

Zone

RS

Year Built

2023

Lot Size

3,920 sq ft

Gross Building Area

1,548 sq ft

Gross Floor Area

1,924 sq ft

Estimated

Living Area

1,924 sq ft

Basement Area

0 sq ft

Impervious Surface

1,548 sq ft

Estimated
39.5%of lot coverage

ADU rules for Bellingham, 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 2321 D St, Bellingham, WA, 98225?

Backyard Cottage

(Detached ADU)

Probably Allowed
This property meets the requirements for a Detached ADU of up to 1,000 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 1,000 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 up to 5,500 sq ft of zoning-counted floor area allowed By Right, or possibly more by Special Permit.

Multi Family

Home Addition

Probably Allowed
We estimate you can expand this property by up to 5,500 sq ft under current zoning rules. This may allow for a horizontal addition, a vertical addition, or both, depending on design and permitting.

Property facts

Streetview picture of 2321 D St, Bellingham, WA, 98225

Zoning Jurisdiction

BELLINGHAM

Parcel ID

75137

Property Type

Single Family

Zone

RS

Year Built

2023

Lot Size

3,920 sq ft

Gross Building Area

1,548 sq ft

Gross Floor Area

1,924 sq ft

Estimated

Living Area

1,924 sq ft

Basement Area

0 sq ft

Impervious Surface

1,548 sq ft

Estimated
39.5%of lot coverage

ADU rules for Bellingham, WA

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

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