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What Are You Allowed to Build at 320 Chestnut St, Needham, MA, 02492?

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

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

This lot does not meet the zoning requirements to build a Single-Family home. A variance may be requested through your local zoning authority

Multi Family

Home Addition

Probably Allowed

We estimate you can expand this property by up to 7,860 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

Zoning Jurisdiction

NEEDHAM

Parcel ID

1990460001900000

Property Type

Residential

Zone

CSB

Year Built

1970

Lot Size

27,930 sq ft

Gross Building Area

9,643 sq ft

Gross Floor Area

11,691 sq ft

Estimated

Living Area

11,691 sq ft

Basement Area

0 sq ft

Impervious Surface

11,691 sq ft

Estimated

41.9%of lot coverage

ADU rules for Needham, MA

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