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What Are You Allowed to Build at 342 Hanover St, Boston, MA, 02113?

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 Allowed
This property meets the requirements for an Internal ADU of up to 1,250 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 8,609 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 6,103 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 342 Hanover St, Boston, MA, 02113

Zoning Jurisdiction

BOSTON

Parcel ID

0302306000

Property Type

Residential

Zone

Art54_HANOVER CC

Year Built

1910

Lot Size

2,869 sq ft

Gross Building Area

2,506 sq ft

Gross Floor Area

2,506 sq ft

Estimated

Living Area

2,506 sq ft

Basement Area

0 sq ft

Impervious Surface

2,506 sq ft

Estimated
87.3%of lot coverage

ADU rules for Boston, MA

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 342 Hanover St, Boston, MA, 02113?

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 Allowed
This property meets the requirements for an Internal ADU of up to 1,250 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 8,609 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 6,103 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 342 Hanover St, Boston, MA, 02113

Zoning Jurisdiction

BOSTON

Parcel ID

0302306000

Property Type

Residential

Zone

Art54_HANOVER CC

Year Built

1910

Lot Size

2,869 sq ft

Gross Building Area

2,506 sq ft

Gross Floor Area

2,506 sq ft

Estimated

Living Area

2,506 sq ft

Basement Area

0 sq ft

Impervious Surface

2,506 sq ft

Estimated
87.3%of lot coverage

ADU rules for Boston, MA

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

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