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What Are You Allowed to Build at 435 Mt Vernon St, Boston, MA, 02125?

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

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 768,175 sq ft of zoning-counted floor area Illegal, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 737,972 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 435 Mt Vernon St, Boston, MA, 02125

Zoning Jurisdiction

BOSTON

Parcel ID

1303413000

Property Type

Other Exempt Bldg

Zone

Art65_CF

Year Built

1900

Lot Size

384,087 sq ft

Gross Building Area

24,619 sq ft

Gross Floor Area

30,203 sq ft

Estimated

Living Area

30,203 sq ft

Basement Area

0 sq ft

Impervious Surface

30,203 sq ft

Estimated
7.9%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 435 Mt Vernon St, Boston, MA, 02125?

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

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 768,175 sq ft of zoning-counted floor area Illegal, or possibly more by Special Permit. Additional factors may affect feasibility.

Multifamily

Home Addition

Might be Allowed
The property may meet the zoning requirements to build a Home Addition up to 737,972 sq ft of zoning-counted floor area. Additional factors may affect feasibility.

Property facts

Streetview picture of 435 Mt Vernon St, Boston, MA, 02125

Zoning Jurisdiction

BOSTON

Parcel ID

1303413000

Property Type

Other Exempt Bldg

Zone

Art65_CF

Year Built

1900

Lot Size

384,087 sq ft

Gross Building Area

24,619 sq ft

Gross Floor Area

30,203 sq ft

Estimated

Living Area

30,203 sq ft

Basement Area

0 sq ft

Impervious Surface

30,203 sq ft

Estimated
7.9%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.