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What Are You Allowed to Build at 300 Commercial St Apt 708, Boston, MA, 02109?

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

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 up to 56,284 sq ft of zoning-counted floor area Illegal, or possibly more by Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 46,727 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 300 Commercial St Apt 708, Boston, MA, 02109

Zoning Jurisdiction

BOSTON

Parcel ID

0303543174

Property Type

Residential

Zone

Art54_MFR/LS

Year Built

1900

Lot Size

18,761 sq ft

Gross Building Area

18,308 sq ft

Gross Floor Area

9,557 sq ft

Estimated

Living Area

806 sq ft

Basement Area

0 sq ft

Impervious Surface

18,308 sq ft

Estimated
97.6%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 300 Commercial St Apt 708, Boston, MA, 02109?

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

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 up to 56,284 sq ft of zoning-counted floor area Illegal, or possibly more by Special Permit. Additional factors may affect feasibility.

Multi Family

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 46,727 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 300 Commercial St Apt 708, Boston, MA, 02109

Zoning Jurisdiction

BOSTON

Parcel ID

0303543174

Property Type

Residential

Zone

Art54_MFR/LS

Year Built

1900

Lot Size

18,761 sq ft

Gross Building Area

18,308 sq ft

Gross Floor Area

9,557 sq ft

Estimated

Living Area

806 sq ft

Basement Area

0 sq ft

Impervious Surface

18,308 sq ft

Estimated
97.6%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.