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What Are You Allowed to Build at 401 Williston Rd, Bourne, MA, 02562?

Backyard Cottage

(Detached ADU)

Probably Allowed

This property meets the requirements for a Detached ADU of up to 823 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 823 sq ft allowed By Right, or possibly more by Special Permit.

Swimming Pool

Probably Allowed

This property likely meets the zoning requirements to build a swimming pool. 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

Probably Not Allowed

The existing home is allowed as a legally nonconforming structure. However, the lot does not meet current zoning requirements for new Single-Family construction. A variance or other zoning relief may be requested.

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

Zoning Jurisdiction

BOURNE

Parcel ID

43550

Property Type

Single Family

Zone

R-40

Year Built

1949

Lot Size

9,855 sq ft

Gross Building Area

1,406 sq ft

Gross Floor Area

1,646 sq ft

Estimated

Living Area

1,646 sq ft

Basement Area

0 sq ft

Impervious Surface

1,406 sq ft

Estimated

14.3%of lot coverage

ADU rules for Bourne, MA

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